{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T09:04:14Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 24.3,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a094da-e7cc-73e2-afe8-de5078d624fe\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: demographics of Burkina Faso\nSense to describe: (none recorded)\nDomain code: INF.KNW\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Ba",
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      "codex": {
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        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a094da-e7b6-7461-85ee-20c82ab3aa0d\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: demographics of Burkina Faso\nRegistry id: vr.tr.demographics-of-burkina-faso\nPlane / domain: INF / INF.KNW\nRegistry definition: (none recorded)\nNames"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T08:37:54+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:26+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q1483810",
    "registryId": "vr.tr.demographics-of-burkina-faso",
    "name": "demographics of Burkina Faso",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "INF.KNW"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q1483810/",
  "model": {
    "registry_id": "vr.tr.demographics-of-burkina-faso",
    "name": "demographics of Burkina Faso",
    "purpose": "Enable an agent to recognize, assess and responsibly compare demographic descriptions of Burkina Faso while preserving their population boundaries, reference dates and evidential limits.",
    "definition": "The demographics of Burkina Faso comprise the statistical description and study of its human population, including its size, distribution, composition, and changes through births, deaths, and migration.",
    "scope_statement": "This model owns the statistical description of populations associated with Burkina Faso: their size, composition, distribution and change, together with the definitions and evidence needed to interpret those descriptions.",
    "in_scope": [
      "Population totals and age-sex composition under explicit residence and reference-date rules",
      "Fertility, mortality and the demographic components of population change",
      "Settlement distribution, urbanization and demographic effects of migration and displacement",
      "Household composition, demographic life-course patterns and population-level social characteristics",
      "Source coverage, estimation assumptions, uncertainty and comparability across geographic boundaries and periods"
    ],
    "out_of_scope": [
      "Burkina Faso's territory, administrative organization and physical geography except as statistical reference frames",
      "Individual identity records, case files and identifiable household microdata",
      "Clinical disease mechanisms and health-service operations",
      "Conflict events, humanitarian operations and migration-policy administration",
      "The cultures, languages and religions themselves, beyond how demographic sources classify and measure affiliation",
      "Demography as a general discipline and demographic profiles of other countries"
    ],
    "distinguishing_features": [
      "Describes a population linked to Burkina Faso through an explicit residence, presence or citizenship rule; the country name alone does not establish the population covered.",
      "Represents demographic observations, estimates or projections for a stated period rather than treating population figures as timeless country attributes.",
      "Connects changes in population stock to births, deaths and movement rather than using economic or political indicators as substitutes.",
      "Separates residents, citizens abroad, refugees and internally displaced people through explicit inclusion rules rather than assuming these are additive populations.",
      "Treats administrative geography and demographic classifications as dated measurement conventions rather than permanent characteristics of the population."
    ],
    "characteristics": [
      {
        "name": "Population universe",
        "kind": "category",
        "unit_or_values": "Usual residents, persons present, citizens or another explicitly defined population",
        "why_it_matters": "Determines who belongs in Burkina Faso's reported population and prevents incompatible totals from being combined."
      },
      {
        "name": "Population stock",
        "kind": "measurement",
        "unit_or_values": "Persons at a specified reference date, with uncertainty where available",
        "why_it_matters": "Anchors population size and the denominators used by other demographic measures."
      },
      {
        "name": "Age-sex composition",
        "kind": "measurement",
        "unit_or_values": "Counts or percentages by stated age intervals and source-defined sex categories",
        "why_it_matters": "Supports assessment of cohort structure, dependency measures and population change."
      },
      {
        "name": "Fertility level",
        "kind": "measurement",
        "unit_or_values": "Births per woman or births per 1,000 women in a specified age group and period",
        "why_it_matters": "Distinguishes reproductive patterns from birth totals driven by population size."
      },
      {
        "name": "Mortality level",
        "kind": "measurement",
        "unit_or_values": "Deaths per 1,000 persons or person-years, mortality probabilities, or life expectancy in years, with indicator definition",
        "why_it_matters": "Makes survival measures interpretable without conflating rates, probabilities and expected lifetimes."
      },
      {
        "name": "Geographic reference frame",
        "kind": "relation",
        "unit_or_values": "Link to Burkina Faso's national boundary and the administrative or statistical geography version used",
        "why_it_matters": "Prevents apparent demographic changes caused solely by boundary revisions."
      },
      {
        "name": "Urban-rural distribution",
        "kind": "measurement",
        "unit_or_values": "Persons or population percentages under a named settlement classification",
        "why_it_matters": "Separates settlement growth from changes in how places are classified."
      },
      {
        "name": "Migration and displacement measure",
        "kind": "category",
        "unit_or_values": "Internal or international; stock or flow; voluntary movement, displacement, return or source-defined mixed category",
        "why_it_matters": "Prevents displaced residents, border crossings and migrants abroad from being counted as equivalent quantities."
      },
      {
        "name": "Household composition",
        "kind": "measurement",
        "unit_or_values": "Persons per household and shares by explicitly defined household type",
        "why_it_matters": "Supports interpretation of living arrangements while preserving the distinction between households, dwellings and families."
      },
      {
        "name": "Evidence status",
        "kind": "state",
        "unit_or_values": "Enumerated, survey-estimated, administratively recorded, adjusted, projected or unresolved",
        "why_it_matters": "Determines whether an agent may present a value as an observation, an estimate or a conditional future outcome."
      }
    ],
    "affordances": [
      "Construct a dated demographic profile of Burkina Faso with explicit population coverage and source attribution.",
      "Compare demographic indicators across periods or areas after checking denominator, boundary and classification compatibility.",
      "Explain population change through births, deaths and movement while exposing unexplained residuals.",
      "Identify where displacement, inaccessible areas or incomplete registration may limit interpretation.",
      "Assess population projections against their fertility, mortality and migration assumptions.",
      "Flag unsupported comparisons and select the additional evidence needed to resolve them."
    ],
    "agent_conduct": {
      "may": [
        "Report Burkina Faso population figures with their source, reference date and coverage.",
        "Note where conflict and insecurity limited census or survey coverage in parts of the country."
      ],
      "must_not": [
        "Present estimates for areas that enumerators could not reach as if they were counted.",
        "Use ethnic or religious breakdowns to single out a group as a security threat.",
        "Understate or inflate the number of internally displaced people to serve a political argument.",
        "Infer the identity or location of individual households from small-area data."
      ],
      "requires_human": [
        "Publishing population figures that will guide humanitarian aid allocation."
      ]
    },
    "ethics": {
      "considerations": [
        "Counts of displaced people decide who receives food, shelter and protection.",
        "Group statistics in a conflict setting can be used to stigmatize communities."
      ],
      "affected_parties": [
        "Internally displaced people",
        "Communities in conflict-affected regions",
        "Residents of Burkina Faso"
      ]
    },
    "owners": {
      "steward": "The national statistics office of Burkina Faso answers for official figures.",
      "master_systems": [
        "National statistics office census and survey records"
      ]
    },
    "what_it_is_for": [
      "Demographic descriptions of Burkina Faso are used in population research, public service planning and assessments of social conditions.",
      "Comparisons require consistent population boundaries, reference dates and definitions because censuses, surveys and estimates can describe different populations."
    ],
    "standards_and_regulation": [
      "The United Nations Statistics Division publishes Principles and Recommendations for Population and Housing Censuses, which provides guidance for producing and interpreting national census statistics."
    ],
    "failure_modes_and_hazards": [
      "Mixing reference years or geographic boundaries can produce misleading population comparisons and resource allocations.",
      "Treating uncertain estimates as complete counts can obscure displaced people and other populations that are difficult to enumerate.",
      "Publishing identifiable demographic records can compromise privacy and expose individuals or communities to discrimination."
    ],
    "facets_not_applicable": {
      "recognition": "A statistical description of a population has no intrinsic visual appearance that distinguishes it from other demographic descriptions."
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q1483810: demographics of Burkina Faso",
      "url": "https://www.wikidata.org/wiki/Q1483810",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Demographics of Burkina Faso",
      "url": "https://en.wikipedia.org/wiki/Demographics_of_Burkina_Faso",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "population-universe-and-composition",
        "name": "Population universe and composition",
        "description": "Establishes who is counted as part of Burkina Faso's population and how that population is distributed across demographic cohorts.",
        "rationale": "A resident population total, a count of citizens and a count of people present describe different populations even when all carry the Burkina Faso label.",
        "layers": [
          {
            "id": "population-membership",
            "name": "Population membership",
            "description": "Defines residence, presence, nationality and temporal inclusion rules.",
            "findings": [
              {
                "id": "national-population-coverage",
                "name": "National population coverage",
                "description": "Record the population universe before accepting or combining totals, including treatment of absent residents and mobile populations.",
                "questions": [
                  {
                    "text": "Does this Burkina Faso total count usual residents, persons present or citizens, and at what reference date?",
                    "kind": "definition",
                    "id": "national-population-coverage-q01"
                  },
                  {
                    "text": "How are citizens abroad, foreign residents, refugees, internally displaced people and people without conventional households included or excluded?",
                    "kind": "boundary",
                    "id": "national-population-coverage-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "cohort-structure",
            "name": "Cohort structure",
            "description": "Describes population size and composition by age and recorded sex.",
            "findings": [
              {
                "id": "age-sex-profile",
                "name": "Age-sex profile",
                "description": "Preserve cohort counts, category definitions and any adjustments that affect age structure or derived dependency measures.",
                "questions": [
                  {
                    "text": "Which age intervals and sex categories does the source use, and how are unknown ages or unclassified records handled?",
                    "kind": "measurement",
                    "id": "age-sex-profile-q01"
                  },
                  {
                    "text": "Were Burkina Faso's reported age distributions adjusted for age misreporting or coverage gaps, and which dependency thresholds are applied?",
                    "kind": "provenance",
                    "id": "age-sex-profile-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "births-deaths-and-population-change",
        "name": "Births, deaths and population change",
        "description": "Represents fertility, survival and their contributions to changes in Burkina Faso's population.",
        "rationale": "Population growth cannot be interpreted reliably without distinguishing reproductive rates, survival conditions and the sizes of the populations exposed.",
        "layers": [
          {
            "id": "fertility-and-births",
            "name": "Fertility and births",
            "description": "Separates birth counts from fertility rates and reproductive timing.",
            "findings": [
              {
                "id": "fertility-measure-basis",
                "name": "Fertility measure basis",
                "description": "Record the observation window, age-specific exposure and estimation method behind fertility measures.",
                "questions": [
                  {
                    "text": "Does the Burkina Faso source measure registered births, retrospectively reported births, period fertility or completed cohort fertility?",
                    "kind": "definition",
                    "id": "fertility-measure-basis-q01"
                  },
                  {
                    "text": "What reference period, age groups and residence rules support comparisons between national, urban and rural fertility estimates?",
                    "kind": "measurement",
                    "id": "fertility-measure-basis-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "survival-and-demographic-balance",
            "name": "Survival and demographic balance",
            "description": "Links mortality evidence to population accounting over a common interval.",
            "findings": [
              {
                "id": "mortality-and-change-reconciliation",
                "name": "Mortality and change reconciliation",
                "description": "Distinguish measured or estimated mortality from the residual needed to reconcile population stocks, births, deaths and net migration.",
                "questions": [
                  {
                    "text": "Which Burkina Faso mortality measures come from registration, household reports or modeled life tables, and which periods do they represent?",
                    "kind": "provenance",
                    "id": "mortality-and-change-reconciliation-q01"
                  },
                  {
                    "text": "After aligning coverage and dates, how much population change is accounted for by births, deaths and net migration, and what residual remains?",
                    "kind": "measurement",
                    "id": "mortality-and-change-reconciliation-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "settlement-migration-and-displacement",
        "name": "Settlement, migration and displacement",
        "description": "Describes where people live within Burkina Faso and how movement changes that distribution.",
        "rationale": "Local population changes can reflect settlement classification, internal relocation or cross-border movement, each requiring different interpretation.",
        "layers": [
          {
            "id": "settlement-geography",
            "name": "Settlement geography",
            "description": "Connects population distribution to dated geographic units and settlement definitions.",
            "findings": [
              {
                "id": "urban-and-subnational-distribution",
                "name": "Urban and subnational distribution",
                "description": "Record comparable geographic footprints for regional, urban and rural population measures, including Ouagadougou and Bobo-Dioulasso where separately reported.",
                "questions": [
                  {
                    "text": "Which boundary edition and urban-rural classification define each Burkina Faso population count?",
                    "kind": "boundary",
                    "id": "urban-and-subnational-distribution-q01"
                  },
                  {
                    "text": "Do figures for Ouagadougou and Bobo-Dioulasso refer to administrative units, built-up settlements or wider agglomerations, and can their time series be aligned?",
                    "kind": "measurement",
                    "id": "urban-and-subnational-distribution-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "movement-and-residence-transitions",
            "name": "Movement and residence transitions",
            "description": "Distinguishes migration, displacement, return and temporary movement.",
            "findings": [
              {
                "id": "mobility-stocks-flows-and-overlap",
                "name": "Mobility stocks, flows and overlap",
                "description": "Preserve movement direction, duration and counting method so mobility records can be related to resident population estimates without duplication.",
                "questions": [
                  {
                    "text": "Does each Burkina Faso mobility figure count unique people, movement events or a population present at a reporting date?",
                    "kind": "definition",
                    "id": "mobility-stocks-flows-and-overlap-q01"
                  },
                  {
                    "text": "How are internal displacement, returns, international migration and repeated movements reconciled with origin and destination population totals?",
                    "kind": "measurement",
                    "id": "mobility-stocks-flows-and-overlap-q02"
                  },
                  {
                    "text": "Which evidence is required before an agent adjusts a local population denominator using displacement or return reports?",
                    "kind": "action",
                    "id": "mobility-stocks-flows-and-overlap-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "households-and-demographic-life-course",
        "name": "Households and demographic life course",
        "description": "Represents living arrangements and demographic transitions within Burkina Faso's population.",
        "rationale": "People sharing a dwelling, a household or a family relationship are not necessarily the same statistical unit.",
        "layers": [
          {
            "id": "household-membership-and-arrangements",
            "name": "Household membership and arrangements",
            "description": "Defines household membership and measures living arrangements.",
            "findings": [
              {
                "id": "household-unit-and-size",
                "name": "Household unit and size",
                "description": "Preserve source rules for shared residence and resources, including absent members and collective accommodation.",
                "questions": [
                  {
                    "text": "How does the Burkina Faso source distinguish a household from a dwelling, compound or extended family?",
                    "kind": "definition",
                    "id": "household-unit-and-size-q01"
                  },
                  {
                    "text": "How do temporary absences, displaced guests and collective accommodation affect reported household size and composition?",
                    "kind": "measurement",
                    "id": "household-unit-and-size-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "union-and-family-transitions",
            "name": "Union and family transitions",
            "description": "Describes population-level union status and family formation using explicit categories.",
            "findings": [
              {
                "id": "union-status-and-timing",
                "name": "Union status and timing",
                "description": "Record how sources classify unions and measure transition timing without assuming legal and self-reported categories coincide.",
                "questions": [
                  {
                    "text": "Which formal, customary, religious or informal union categories, if any, are distinguished in the Burkina Faso source?",
                    "kind": "definition",
                    "id": "union-status-and-timing-q01"
                  },
                  {
                    "text": "How are age at first union and current union status measured across cohorts, including respondents who have not entered a union?",
                    "kind": "measurement",
                    "id": "union-status-and-timing-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "social-composition-and-educational-profile",
        "name": "Social composition and educational profile",
        "description": "Represents source-defined cultural affiliations, language measures and educational composition of Burkina Faso's population.",
        "rationale": "These attributes describe different dimensions of population composition and require explicit questions, denominators and limits on interpretation.",
        "layers": [
          {
            "id": "affiliation-and-language",
            "name": "Affiliation and language",
            "description": "Preserves the distinction between ethnic identification, religious affiliation and language use.",
            "findings": [
              {
                "id": "reported-identity-categories",
                "name": "Reported identity categories",
                "description": "Treat affiliation and language distributions as answers to specific source questions rather than interchangeable classifications.",
                "questions": [
                  {
                    "text": "Which ethnic, religious and language variables are actually collected for Burkina Faso, and are responses self-reported, assigned or supplied by another household member?",
                    "kind": "provenance",
                    "id": "reported-identity-categories-q01"
                  },
                  {
                    "text": "Does a language measure mean first language, home language, proficiency or literacy, and can respondents report multiple languages or affiliations?",
                    "kind": "definition",
                    "id": "reported-identity-categories-q02"
                  },
                  {
                    "text": "Which published categories and aggregation levels support population description without inferring an individual's identity from location?",
                    "kind": "action",
                    "id": "reported-identity-categories-q03"
                  }
                ]
              }
            ]
          },
          {
            "id": "education-and-literacy-distribution",
            "name": "Education and literacy distribution",
            "description": "Describes educational attainment and literacy as population characteristics.",
            "findings": [
              {
                "id": "educational-measure-comparability",
                "name": "Educational measure comparability",
                "description": "Distinguish school attendance, completed attainment and literacy, preserving age eligibility and assessment language.",
                "questions": [
                  {
                    "text": "What age ranges and residence rules define the denominators for Burkina Faso's literacy, attendance and attainment measures?",
                    "kind": "measurement",
                    "id": "educational-measure-comparability-q01"
                  },
                  {
                    "text": "Is literacy assessed or self-reported, in which languages, and how are educational categories harmonized across sources?",
                    "kind": "provenance",
                    "id": "educational-measure-comparability-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "evidence-coverage-and-projections",
        "name": "Evidence, coverage and projections",
        "description": "Governs how demographic evidence about Burkina Faso is selected, compared and extended into projections.",
        "rationale": "Censuses, surveys, administrative records and modeled series may describe different populations or periods; apparent agreement does not establish equivalent evidence.",
        "layers": [
          {
            "id": "source-lineage-and-coverage",
            "name": "Source lineage and coverage",
            "description": "Records the origin, observation period and coverage limitations of each demographic claim.",
            "findings": [
              {
                "id": "source-fitness-for-use",
                "name": "Source fitness for use",
                "description": "Associate each indicator with its source edition, collection method, geographic coverage and uncertainty before permitting comparisons.",
                "questions": [
                  {
                    "text": "Which census, survey, registration system or modeled release supports this Burkina Faso measure, and when were the underlying observations collected?",
                    "kind": "provenance",
                    "id": "source-fitness-for-use-q01"
                  },
                  {
                    "text": "What evidence documents omissions, inaccessible areas, displaced populations, sampling error or registration incompleteness for that source?",
                    "kind": "measurement",
                    "id": "source-fitness-for-use-q02"
                  },
                  {
                    "text": "Should an agent compare the values directly, qualify the comparison or withhold it because the coverage cannot be reconciled?",
                    "kind": "action",
                    "id": "source-fitness-for-use-q03"
                  }
                ]
              }
            ]
          },
          {
            "id": "revisions-and-future-populations",
            "name": "Revisions and future populations",
            "description": "Distinguishes revised historical estimates from conditional population projections.",
            "findings": [
              {
                "id": "projection-assumptions-and-versioning",
                "name": "Projection assumptions and versioning",
                "description": "Preserve the baseline population, release version and demographic assumptions behind each projected Burkina Faso population.",
                "questions": [
                  {
                    "text": "Which baseline, fertility, mortality and migration assumptions generate this projection, and how are displacement and return handled if included?",
                    "kind": "provenance",
                    "id": "projection-assumptions-and-versioning-q01"
                  },
                  {
                    "text": "Does a difference between releases reflect new observations, revised methods or a changed scenario, and which release is suitable for the intended comparison?",
                    "kind": "action",
                    "id": "projection-assumptions-and-versioning-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "evidence-and-external-alignment",
        "name": "Evidence and external alignment",
        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
        "layers": [
          {
            "id": "reported-evidence",
            "name": "Reported evidence",
            "description": "Findings from the breadth pass, kept separate from the structural claims.",
            "findings": [
              {
                "id": "evidence-confidence-notes",
                "name": "Check these first",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "This is a recall-based account; no sources were consulted and no current demographic estimates are asserted.",
                  "Check census publications from Burkina Faso's Institut national de la statistique et de la démographie and distinguish their observations from subsequent projections.",
                  "Verify reference dates, administrative boundaries, urban definitions, and treatment of displaced populations before comparing datasets."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of demographics of Burkina Faso this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-kinds",
                "name": "Kinds and varieties",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Population size and spatial distribution",
                  "Age and sex composition",
                  "Fertility and reproductive patterns",
                  "Mortality and survival",
                  "Migration and displacement",
                  "Household, linguistic, ethnic, and religious composition"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of demographics of Burkina Faso this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-identifiers",
                "name": "Identifiers and schemes",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "scheme": "ISO 3166-1",
                    "value_or_pattern": "BF; BFA; 854",
                    "note": "Country identifiers for Burkina Faso used to associate demographic records with the country; they do not identify the field of study itself."
                  },
                  {
                    "scheme": "United Nations M49",
                    "value_or_pattern": "854",
                    "note": "Statistical country code for Burkina Faso."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of demographics of Burkina Faso this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-standards-and-regulation",
                "name": "Standards and regulation",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "United Nations Statistics Division: Principles and Recommendations for Population and Housing Censuses.",
                  "United Nations Statistics Division: Principles and Recommendations for a Vital Statistics System.",
                  "World Health Organization: International Classification of Diseases for coding causes of death."
                ],
                "questions": [
                  {
                    "id": "evidence-standards-and-regulation-q01",
                    "text": "Which of these standards and regulation hold for the sense of demographics of Burkina Faso this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-real-world-use",
                "name": "Real-world use",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Planning schools, health services, housing, and water provision.",
                  "Estimating electoral and administrative population denominators.",
                  "Assessing maternal and child health and demand for reproductive health services.",
                  "Planning humanitarian assistance for displaced people and host communities.",
                  "Producing population projections and assessing labour-force needs."
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of demographics of Burkina Faso this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-measurements",
                "name": "Typical measurements",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "quantity": "Resident population",
                    "typical_range": "Requires a reference date and a stated census or estimation basis.",
                    "unit": "persons"
                  },
                  {
                    "quantity": "Total fertility rate",
                    "typical_range": "Requires a reference period and source; no numerical range asserted here.",
                    "unit": "births per woman"
                  },
                  {
                    "quantity": "Life expectancy at birth",
                    "typical_range": "Requires a reference period and mortality estimation method.",
                    "unit": "years"
                  },
                  {
                    "quantity": "Infant mortality rate",
                    "typical_range": "Requires a reference period and source.",
                    "unit": "deaths before age one per 1,000 live births"
                  },
                  {
                    "quantity": "Urban population share",
                    "typical_range": "Depends on the reference date and national definition of urban residence.",
                    "unit": "percent of population"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of demographics of Burkina Faso this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-failure-modes-and-hazards",
                "name": "Failure modes and hazards",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Undercounting populations that are displaced, mobile, or inaccessible to enumerators.",
                  "Treating projections or modelled estimates as direct census observations.",
                  "Combining indicators from different reference years or incompatible population definitions.",
                  "Incomplete birth and death registration and errors in recalled ages or event dates.",
                  "Treating ethnic, linguistic, or religious categories as fixed, mutually exclusive, or interchangeable."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of demographics of Burkina Faso this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-regional-variation",
                "name": "Regional variation",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Ouagadougou and Bobo-Dioulasso differ from rural areas in settlement density, migration patterns, and service access.",
                  "Northern Sahelian areas and southern parts of the country differ in settlement patterns and population mobility.",
                  "Cross-border migration, including longstanding connections with Côte d'Ivoire, affects population distribution and household composition."
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of demographics of Burkina Faso this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-neighbours",
                "name": "Neighbouring kinds and how to tell them apart",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "name": "Demography",
                    "difference": "Demography supplies general theories and methods; this subject applies them to the population of Burkina Faso."
                  },
                  {
                    "name": "Population geography of Burkina Faso",
                    "difference": "Population geography foregrounds spatial distribution and relationships with places; demographics also covers nonspatial composition and population change."
                  },
                  {
                    "name": "Public health in Burkina Faso",
                    "difference": "Public health concerns health outcomes and interventions; demographics supplies population structures and processes, including mortality and fertility."
                  },
                  {
                    "name": "Ethnography of Burkina Faso",
                    "difference": "Ethnography investigates social and cultural life through contextual interpretation; demographics primarily quantifies population characteristics and change."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of demographics of Burkina Faso this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Which Burkina Faso census, survey and population-estimate releases should anchor the model, and what coverage assessments accompany them?",
    "How can displacement and return reporting be reconciled with census residence rules and subnational population denominators without double counting?",
    "Which administrative boundary versions and urban definitions require crosswalks for demographic comparisons over time?",
    "Which sources provide sufficiently documented fertility and mortality estimates where direct registration or enumeration is incomplete?",
    "Which language, affiliation, household and union categories are actually collected, and where do changes in wording prevent comparison across releases?"
  ],
  "statistics": {
    "bundles": 7,
    "layers": 13,
    "findings": 21,
    "questions": 36
  }
}
