{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T09:04:22Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 22.0,
        "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: 01a094db-3f78-7a10-b71b-795579d2349b\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: demographics of Guinea-Bissau\nSense to describe: (none recorded)\nDomain code: INF.KNW\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# B",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 71.3,
        "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: 01a094db-3f87-7ec3-bd6b-7e1ab92f78f0\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 Guinea-Bissau\nRegistry id: vr.tr.demographics-of-guinea-bissau\nPlane / domain: INF / INF.KNW\nRegistry definition: (none recorded)\nNam"
      }
    },
    "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": "2026-10-07T10:10:29+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q2618776",
    "registryId": "vr.tr.demographics-of-guinea-bissau",
    "name": "demographics of Guinea-Bissau",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "INF.KNW"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q2618776/",
  "model": {
    "registry_id": "vr.tr.demographics-of-guinea-bissau",
    "name": "demographics of Guinea-Bissau",
    "purpose": "Enable an agent to recognise, assess and responsibly use knowledge about Guinea-Bissau's population composition, distribution and change while distinguishing observations from estimates and projections.",
    "definition": "The demographics of Guinea-Bissau comprise the statistical description and analysis of its human population, including its size, distribution, composition, and changes through births, deaths, and migration.",
    "scope_statement": "This model owns the demographic knowledge profile identified by vr.tr.demographics-of-guinea-bissau in INF / INF.KNW, including population definitions, measures, evidence and interpretive limits; it models a country-specific subject of knowledge rather than an independent academic discipline.",
    "in_scope": [
      "Population size, growth and age-sex composition for explicitly defined reference dates and resident populations.",
      "Population distribution across Bissau, other settlements, administrative areas and the Bijagós islands.",
      "Fertility, mortality and migration as components of population change.",
      "Household composition and source-defined language, ethnicity and religious affiliation categories.",
      "Provenance, coverage, uncertainty and comparability of demographic observations, estimates and projections."
    ],
    "out_of_scope": [
      "Guinea-Bissau's geography, government and general national history except where needed to interpret demographic evidence.",
      "Individual residents, identifiable household records and personal migration histories.",
      "Demography as a general discipline, including its degrees, journals and professional institutions.",
      "Clinical disease profiles and health-service operations beyond their relation to population measures.",
      "Demographics of neighbouring Guinea, or of the Guinea-Bissau diaspora as a separate population outside an explicitly stated migration comparison."
    ],
    "distinguishing_features": [
      "The subject concerns Guinea-Bissau; records labelled only 'Guinea' require country disambiguation before inclusion.",
      "A qualifying claim describes a defined population or demographic process, rather than merely describing a place or its institutions.",
      "The territorial population must be distinguished from citizens, people of Guinea-Bissau origin and people born there but living abroad.",
      "National and subnational comparisons must preserve the source's treatment of Bissau, island populations and administrative boundaries.",
      "The subject is a body of country-specific demographic knowledge, not a standalone field requiring its own professional societies or classification codes."
    ],
    "characteristics": [
      {
        "name": "Population universe",
        "kind": "category",
        "unit_or_values": "Usual residents, persons present, citizens, birthplace-defined population or another explicitly documented universe",
        "why_it_matters": "Prevents resident counts from being confused with nationality or diaspora counts."
      },
      {
        "name": "Reference date and interval",
        "kind": "category",
        "unit_or_values": "Specified date, calendar year or observation interval",
        "why_it_matters": "Population totals and demographic rates are meaningful only for their stated time basis."
      },
      {
        "name": "Population size",
        "kind": "measurement",
        "unit_or_values": "Persons, with geographic coverage and observed, estimated or projected status",
        "why_it_matters": "Provides the population denominator while exposing differences between counts and modelled totals."
      },
      {
        "name": "Age-sex composition",
        "kind": "measurement",
        "unit_or_values": "Persons or percentage by documented age bands and source-defined sex categories",
        "why_it_matters": "Supports assessment of cohort structure and age-dependent population needs."
      },
      {
        "name": "Spatial distribution",
        "kind": "measurement",
        "unit_or_values": "Persons, percentage or persons per square kilometre by documented geographic unit",
        "why_it_matters": "Makes the treatment of Bissau, mainland settlements and island populations explicit."
      },
      {
        "name": "Population-change components",
        "kind": "measurement",
        "unit_or_values": "Births, deaths and net migration in persons per interval; rates with explicit denominators",
        "why_it_matters": "Allows an agent to examine the basis of reported population growth."
      },
      {
        "name": "Household and affiliation composition",
        "kind": "category",
        "unit_or_values": "Source-defined household, language, ethnicity and religion categories, with response rules",
        "why_it_matters": "Prevents household membership, language use and social identification from being treated as interchangeable."
      },
      {
        "name": "Evidence basis",
        "kind": "relation",
        "unit_or_values": "Links to census, survey, registration or estimation source, edition and methodology",
        "why_it_matters": "Makes every demographic claim traceable to its actual evidence."
      },
      {
        "name": "Fitness for use",
        "kind": "state",
        "unit_or_values": "Unassessed, usable for stated purpose, usable with caveats or unsuitable for stated purpose",
        "why_it_matters": "Connects coverage, age and uncertainty of evidence to the decision an agent wants to support."
      }
    ],
    "affordances": [
      "Determine whether a source concerns Guinea-Bissau and the population universe required by the task.",
      "Compare demographic series after checking dates, definitions, geographic boundaries and estimation methods.",
      "Summarise population structure and distribution while retaining uncertainty and source attribution.",
      "Examine whether births, deaths and migration plausibly account for a reported population change.",
      "Identify evidence gaps for Bissau, mainland areas and the Bijagós islands without assuming missing observations imply absent populations.",
      "Decide whether evidence supports a national comparison, a local planning use or only a qualified descriptive statement."
    ],
    "agent_conduct": {
      "may": [
        "Report Guinea-Bissau's population figures with their source, date and estimation method.",
        "Note when figures come from projections rather than a recent census."
      ],
      "must_not": [
        "Present projections as observed counts.",
        "Rank ethnic groups by size or character in a way that feeds political rivalry.",
        "Treat data from a single region or the capital as representative of the whole country.",
        "Identify individuals from survey data in small island or rural communities."
      ],
      "requires_human": [
        "Publishing figures that will be used for electoral or aid planning."
      ]
    },
    "ethics": {
      "considerations": [
        "Ethnic balance is politically sensitive in a country with a history of coups and instability.",
        "Weak statistical systems mean errors can go unchallenged and misdirect help."
      ],
      "affected_parties": [
        "Residents of Guinea-Bissau",
        "Island and rural communities",
        "Ethnic communities"
      ]
    },
    "owners": {
      "steward": "The national statistics institute of Guinea-Bissau answers for official figures.",
      "master_systems": [
        "National statistics office census and survey records"
      ]
    },
    "what_it_is_for": [
      "The demographics of Guinea-Bissau are studied through censuses, surveys, administrative records and population estimates.",
      "They inform public service planning, research and assessments of population distribution and change.",
      "Responsible use distinguishes reference dates, geographic coverage and observed counts from estimates or projections."
    ],
    "standards_and_regulation": [
      "The United Nations Statistics Division publishes the Principles and Recommendations for Population and Housing Censuses as international guidance for producing comparable population statistics."
    ],
    "failure_modes_and_hazards": [
      "Using outdated counts or treating projections as observations can distort planning and resource allocation.",
      "Incomplete coverage or inconsistent definitions can produce misleading comparisons between population groups or periods.",
      "Detailed population records can expose individuals or small communities when confidentiality protections are inadequate.",
      "Interpreting group statistics as personal characteristics can reinforce stereotypes and discriminatory decisions."
    ],
    "facets_not_applicable": {
      "recognition": "A country's demographics are statistical knowledge without an intrinsic visual appearance."
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q2618776: demographics of Guinea-Bissau",
      "url": "https://www.wikidata.org/wiki/Q2618776",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Demographics of Guinea-Bissau",
      "url": "https://en.wikipedia.org/wiki/Demographics_of_Guinea-Bissau",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "population-identity-and-evidence",
        "name": "Population identity and evidence",
        "description": "Establishes which Guinea-Bissau population a claim describes and how that claim was produced.",
        "rationale": "Country-name ambiguity and differences between residence, citizenship and origin can invalidate otherwise plausible demographic comparisons.",
        "layers": [
          {
            "id": "territory-and-population-universe",
            "name": "Territory and population universe",
            "description": "Defines the country, territorial coverage and inclusion rules of each population statement.",
            "findings": [
              {
                "id": "guinea-bissau-population-boundary",
                "name": "Guinea-Bissau population boundary",
                "description": "Record how the source identifies Guinea-Bissau and separates residents from citizens, visitors and people living abroad.",
                "questions": [
                  {
                    "text": "What country identifier, territorial coverage and residence rule establish that this claim concerns the intended Guinea-Bissau population?",
                    "kind": "boundary",
                    "id": "guinea-bissau-population-boundary-q01"
                  },
                  {
                    "text": "How are temporarily absent residents, foreign residents and people of Guinea-Bissau origin living abroad included or excluded?",
                    "kind": "definition",
                    "id": "guinea-bissau-population-boundary-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "source-lineage-and-claim-status",
            "name": "Source lineage and claim status",
            "description": "Separates direct enumeration, sample evidence, registration, estimates and projections.",
            "findings": [
              {
                "id": "traceable-demographic-claim",
                "name": "Traceable demographic claim",
                "description": "Retain the originating publication, reference period, methodological basis and revision status behind each reported value.",
                "questions": [
                  {
                    "text": "Which Guinea-Bissau census, survey, registration system or documented estimation exercise supplies the underlying evidence?",
                    "kind": "provenance",
                    "id": "traceable-demographic-claim-q01"
                  },
                  {
                    "text": "Is the value an enumeration, adjusted estimate or projection, and which edition and assumptions govern it?",
                    "kind": "provenance",
                    "id": "traceable-demographic-claim-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "population-stock-and-spatial-pattern",
        "name": "Population stock and spatial pattern",
        "description": "Organises population totals and settlement patterns across Guinea-Bissau's documented geographic units.",
        "rationale": "National totals cannot resolve differences between Bissau, mainland areas and island settlements, and geographic units may not be comparable across sources.",
        "layers": [
          {
            "id": "national-population-and-time",
            "name": "National population and time",
            "description": "Relates population totals and growth measures to consistent reference dates.",
            "findings": [
              {
                "id": "comparable-population-series",
                "name": "Comparable population series",
                "description": "Treat changes between reported totals as interpretable only after checking population definitions and estimation bases.",
                "questions": [
                  {
                    "text": "Which reference dates and population definitions underpin the Guinea-Bissau totals being compared?",
                    "kind": "measurement",
                    "id": "comparable-population-series-q01"
                  },
                  {
                    "text": "Could a reported increase or decrease reflect revised estimation, coverage or definitions rather than population change?",
                    "kind": "boundary",
                    "id": "comparable-population-series-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "bissau-mainland-and-islands",
            "name": "Bissau, mainland and islands",
            "description": "Preserves administrative and settlement distinctions needed for subnational interpretation.",
            "findings": [
              {
                "id": "geographic-comparability",
                "name": "Geographic comparability",
                "description": "Record the geographic meaning of Bissau and other reporting areas, including the coverage and aggregation of Bijagós island settlements.",
                "questions": [
                  {
                    "text": "Does 'Bissau' denote a settlement, an administrative unit or another spatial extent in this source?",
                    "kind": "boundary",
                    "id": "geographic-comparability-q01"
                  },
                  {
                    "text": "How are mainland and Bijagós populations enumerated and aggregated, and what boundary crosswalk is needed for comparison over time?",
                    "kind": "measurement",
                    "id": "geographic-comparability-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "population-composition-and-households",
        "name": "Population composition and households",
        "description": "Describes age-sex structure, household membership and explicitly measured social or linguistic affiliations.",
        "rationale": "Guinea-Bissau's population cannot be characterised adequately by a total, while affiliation categories require source-specific interpretation.",
        "layers": [
          {
            "id": "age-sex-and-household-structure",
            "name": "Age-sex and household structure",
            "description": "Connects population composition with the source's age, sex and household definitions.",
            "findings": [
              {
                "id": "composition-and-membership-rules",
                "name": "Composition and membership rules",
                "description": "Document cohort distributions and household membership without assuming that a household is identical to a family or dwelling.",
                "questions": [
                  {
                    "text": "What age bands, sex categories and treatment of unknown ages underpin Guinea-Bissau's reported population structure?",
                    "kind": "measurement",
                    "id": "composition-and-membership-rules-q01"
                  },
                  {
                    "text": "How does the source define household membership for absent members, shared compounds and collective accommodation?",
                    "kind": "definition",
                    "id": "composition-and-membership-rules-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "language-ethnicity-and-religion",
            "name": "Language, ethnicity and religion",
            "description": "Keeps distinct forms of affiliation separate and tied to the questions actually asked.",
            "findings": [
              {
                "id": "source-defined-affiliation",
                "name": "Source-defined affiliation",
                "description": "Record language use and social identification as measured categories, preserving multiple responses and uncertainty where applicable.",
                "questions": [
                  {
                    "text": "When Portuguese, Guinea-Bissau Creole or another language is reported, does the measure concern first language, home use, proficiency or another criterion?",
                    "kind": "definition",
                    "id": "source-defined-affiliation-q01"
                  },
                  {
                    "text": "Are ethnicity and religion figures based on self-identification, proxy responses or external classification, and can respondents report multiple affiliations?",
                    "kind": "provenance",
                    "id": "source-defined-affiliation-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "population-dynamics-and-use",
        "name": "Population dynamics and use",
        "description": "Examines fertility, mortality and migration and establishes what demographic evidence can support.",
        "rationale": "Interpreting Guinea-Bissau's population trajectory requires separating demographic components and testing whether evidence is adequate for the proposed scale of use.",
        "layers": [
          {
            "id": "births-deaths-and-survival",
            "name": "Births, deaths and survival",
            "description": "Distinguishes event counts, rates and modelled fertility or survival measures.",
            "findings": [
              {
                "id": "vital-process-measurement",
                "name": "Vital-process measurement",
                "description": "Retain the observation method, denominator and reference interval for fertility and mortality indicators.",
                "questions": [
                  {
                    "text": "Are Guinea-Bissau's birth and death measures derived from registration, retrospective survey histories, census questions or demographic models?",
                    "kind": "provenance",
                    "id": "vital-process-measurement-q01"
                  },
                  {
                    "text": "Which population denominators, recall periods and uncertainty measures support the reported fertility, child mortality or life-expectancy indicators?",
                    "kind": "measurement",
                    "id": "vital-process-measurement-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "mobility-projections-and-decisions",
            "name": "Mobility, projections and decisions",
            "description": "Separates migration and temporary mobility and links projection assumptions to permitted interpretations.",
            "findings": [
              {
                "id": "migration-and-projection-limits",
                "name": "Migration and projection limits",
                "description": "Record how internal movement, international migration and temporary absence enter population estimates and future scenarios.",
                "questions": [
                  {
                    "text": "How does the source distinguish moves involving Bissau, mainland areas, islands and destinations abroad from seasonal mobility or temporary absence?",
                    "kind": "definition",
                    "id": "migration-and-projection-limits-q01"
                  },
                  {
                    "text": "Given its migration assumptions, geographic detail and uncertainty, can this estimate support the proposed local decision, or only a national scenario?",
                    "kind": "action",
                    "id": "migration-and-projection-limits-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": [
                  "No sources were consulted; current numerical estimates are intentionally omitted.",
                  "Any population figure requires a reference date, geographic scope, residence definition, and identification as a count, estimate, or projection.",
                  "Check census coverage and the definitions and dates behind ethnic, linguistic, religious, and urban population shares before reporting them."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of demographics of Guinea-Bissau 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 growth",
                  "Age and sex composition",
                  "Fertility and mortality",
                  "Migration and urbanisation",
                  "Household and family composition",
                  "Ethnic, linguistic, and religious composition"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of demographics of Guinea-Bissau 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": "GW; GNB; 624",
                    "note": "Alpha-2, alpha-3, and numeric identifiers for Guinea-Bissau, the geographic subject; these do not identify a demographic dataset."
                  },
                  {
                    "scheme": "United Nations M49",
                    "value_or_pattern": "624",
                    "note": "Statistical country code used to associate observations with Guinea-Bissau."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of demographics of Guinea-Bissau 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."
                ],
                "questions": [
                  {
                    "id": "evidence-standards-and-regulation-q01",
                    "text": "Which of these standards and regulation hold for the sense of demographics of Guinea-Bissau 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, healthcare services, housing, and water infrastructure.",
                  "Estimating maternal and child health service needs.",
                  "Projecting labour-force entrants and age-related dependency.",
                  "Allocating resources among administrative areas.",
                  "Assessing population change and development indicators."
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of demographics of Guinea-Bissau 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": [
                  "Treating population projections or modelled estimates as census counts.",
                  "Underregistration of births and deaths can bias fertility and mortality estimates.",
                  "Age misreporting and census undercoverage can distort population structure.",
                  "Changing boundaries, urban definitions, or residence rules can undermine comparisons.",
                  "Treating ethnicity, language, and religion as interchangeable or mutually exclusive categories can misrepresent population composition."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of demographics of Guinea-Bissau 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": [
                  "Bissau's urban population should be distinguished from rural populations when analysing settlement, migration, and service access.",
                  "Mainland and Bijagós island populations occupy different settlement and accessibility contexts.",
                  "Ethnic and linguistic composition varies geographically; national totals can conceal local differences."
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of demographics of Guinea-Bissau 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 concepts and methods; this subject applies them specifically to Guinea-Bissau."
                  },
                  {
                    "name": "Population of Guinea-Bissau",
                    "difference": "The population is the group of people being described; its demographics are their statistical characteristics and population dynamics."
                  },
                  {
                    "name": "Geography of Guinea-Bissau",
                    "difference": "Geography includes physical environments and spatial relations beyond the statistical study of human population."
                  },
                  {
                    "name": "Demographics of Guinea",
                    "difference": "Guinea is a separate country; observations about its population do not describe Guinea-Bissau."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of demographics of Guinea-Bissau this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Which census and survey releases provide the most recent documented demographic baseline, and what coverage assessments accompany them?",
    "How should discrepancies between national statistical publications and international population estimates be reconciled for specific uses?",
    "Which administrative or settlement boundary changes require crosswalks, especially for Bissau and Bijagós reporting units?",
    "What comparable evidence exists for language, ethnicity and religion, and which categories or estimates lack a sufficiently documented measurement basis?",
    "How well do available sources measure vital events, migration and temporary absence, and how does that uncertainty affect subnational estimates and projections?"
  ],
  "statistics": {
    "bundles": 5,
    "layers": 9,
    "findings": 16,
    "questions": 24
  }
}
