{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T09:05:05Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 25.6, "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-b138-7c52-a3ea-bb3f8bb58d0e\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: demographics of the Democratic Republic of the Congo\nSense to describe: (none recorded)\nDomain code: INF.KNW\nAlso known as: (none)\n\n\nContext for this ba", "usd": 0.0, "recall": true }, "codex": { "seconds": 85.0, "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-b146-7ec1-8f77-9ea0140304b3\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 the Democratic Republic of the Congo\nRegistry id: vr.tr.demographics-of-the-democratic-republic-of-the-congo\nPlane / domain: INF / IN" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:38:34+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-Q3044304", "registryId": "vr.tr.demographics-of-the-democratic-republic-of-the-congo", "name": "demographics of the Democratic Republic of the Congo", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "INF.KNW" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q3044304/", "model": { "registry_id": "vr.tr.demographics-of-the-democratic-republic-of-the-congo", "name": "demographics of the Democratic Republic of the Congo", "purpose": "Enable an agent to interpret, compare and responsibly use evidence about the population of the Democratic Republic of the Congo while preserving geographic, temporal and methodological uncertainty.", "definition": "Demographics of the Democratic Republic of the Congo is the statistical description and study of the country's human population, including its size, distribution, composition, and change through births, deaths, and migration.", "scope_statement": "This model owns the demographic knowledge profile of the Democratic Republic of the Congo: population definitions, distributions, composition, change and the evidence supporting them, rather than the country itself or demography as a general discipline.", "in_scope": [ "Population totals, age and sex structure, household composition and their reference dates", "Population distribution across provinces, settlements and urban or rural classifications", "Fertility, mortality and the components of population change", "Internal and international migration, displacement and population coverage", "Social composition and the provenance, comparability and uncertainty of demographic evidence" ], "out_of_scope": [ "The Democratic Republic of the Congo as a sovereign state, territory or political system", "Demography as a general discipline and its professional institutions", "Demographics of the Republic of the Congo", "Individual identity records and identifiable household case files", "Conflict events, health services and economic systems except as context for demographic measures", "Congolese diaspora communities as standalone populations beyond their explicitly defined relationship to the national accounting" ], "distinguishing_features": [ "The geographic subject is the Democratic Republic of the Congo; records labelled only 'Congo' require disambiguation before inclusion.", "Each population statement identifies whether it concerns residents, people present, citizens or another specified population universe.", "A claim belongs here when it describes population size, composition, distribution or change; a claim describing the state alone does not.", "Historical country names and territorial units are linked through dated mappings rather than treated as automatically comparable.", "Counts, survey estimates, demographic reconstructions and projections remain distinguishable even when they describe the same reference year." ], "characteristics": [ { "name": "Population universe", "kind": "category", "unit_or_values": "Usual residents; persons present; citizens; explicitly defined alternative", "why_it_matters": "Determines who is counted, including people moving across borders or living away from their usual residence." }, { "name": "Reference period", "kind": "state", "unit_or_values": "Reference date or interval, separately from collection and publication dates", "why_it_matters": "Prevents recent publication dates from being mistaken for recent observations." }, { "name": "Population magnitude", "kind": "measurement", "unit_or_values": "Persons, with evidence type and uncertainty where available", "why_it_matters": "Provides the denominator for demographic comparisons without presenting estimates as direct enumeration." }, { "name": "Age and sex composition", "kind": "measurement", "unit_or_values": "Counts or percentages by stated age bands and source-defined sex categories", "why_it_matters": "Supports interpretation of dependency, fertility exposure and cohort change." }, { "name": "Geographic reference", "kind": "relation", "unit_or_values": "Named territorial unit linked to boundary version, reference date and crosswalk", "why_it_matters": "Makes provincial and settlement comparisons conditional on compatible geography." }, { "name": "Population density and settlement distribution", "kind": "measurement", "unit_or_values": "Persons per square kilometre; settlement population shares under a named classification", "why_it_matters": "Distinguishes population concentration from administrative definitions of urban residence." }, { "name": "Fertility and mortality measures", "kind": "measurement", "unit_or_values": "Births or deaths per specified population and period; children per woman; life expectancy in years", "why_it_matters": "Requires each indicator to retain its denominator and estimation method." }, { "name": "Migration and displacement accounting", "kind": "measurement", "unit_or_values": "Persons or movements, separated into dated stocks and period flows", "why_it_matters": "Prevents repeated movements and overlapping status categories from inflating population totals." }, { "name": "Household and social composition", "kind": "category", "unit_or_values": "Source-defined household, language, ethnic affiliation, religion and education categories", "why_it_matters": "Preserves differences in definitions and identification practices across sources." }, { "name": "Evidence status", "kind": "state", "unit_or_values": "Enumeration; registration; sample estimate; reconstruction; projection; superseded release", "why_it_matters": "Determines which comparisons and downstream uses the evidence can support." } ], "affordances": [ "Disambiguate DRC demographic records from similarly labelled Republic of the Congo records.", "Compare population estimates after aligning their dates, geographic boundaries and population universes.", "Assess whether provincial, urban or displaced-population evidence supports a proposed denominator.", "Trace apparent population changes to demographic components, boundary changes or source revisions.", "Identify coverage gaps and qualify or withhold conclusions that exceed the supporting evidence.", "Produce attributed demographic summaries that keep observations, estimates and projection scenarios distinct." ], "agent_conduct": { "may": [ "Report Democratic Republic of the Congo population figures with source, date and estimation method.", "Note that national totals rest largely on projections and surveys rather than a recent full census." ], "must_not": [ "Present modelled national totals as precise counts.", "Use ethnic composition of eastern provinces to support claims of who belongs there.", "Understate displacement or mortality in conflict-affected provinces.", "Identify individuals or villages from survey or humanitarian data." ], "requires_human": [ "Publishing figures used for elections, aid or peacekeeping planning." ] }, "ethics": { "considerations": [ "Population numbers in eastern provinces are tied to violent disputes over land and citizenship.", "Undercounting displaced people leaves them without aid." ], "affected_parties": [ "Displaced people in conflict provinces", "Residents of the DRC", "Communities whose citizenship is contested" ] }, "owners": { "steward": "The national statistics institute of the DRC answers for official figures.", "master_systems": [ "National statistics office census and survey records" ] }, "what_it_is_for": [ "Demographic descriptions of the Democratic Republic of the Congo appear in censuses, household surveys, population estimates and humanitarian assessments.", "They support public service planning and analysis of population distribution, fertility, mortality and migration.", "Interpretation requires explicit reference dates and geographic boundaries because displacement, uneven coverage and estimation methods can affect comparability." ], "standards_and_regulation": [ "The Fundamental Principles of Official Statistics, adopted by the United Nations General Assembly, establish principles for the quality, impartiality and confidentiality of official demographic statistics.", "The Standard Country or Area Codes for Statistical Use, maintained by the United Nations Statistics Division, identifies the Democratic Republic of the Congo as M49 code 180." ], "failure_modes_and_hazards": [ "Treating uncertain estimates as exact counts can misdirect services, funding and humanitarian assistance.", "Confusing the country with the Republic of the Congo or mixing incompatible boundaries can produce invalid comparisons.", "Publishing identifiable or highly detailed population information can expose vulnerable people to targeting or discrimination.", "Ignoring displaced or poorly enumerated populations can systematically exclude people from planning and resource allocation." ], "facets_not_applicable": { "recognition": "Demographics is statistical knowledge rather than a physical entity with distinguishing visual features." } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q3044304: demographics of the Democratic Republic of the Congo", "url": "https://www.wikidata.org/wiki/Q3044304", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Demographics of the Democratic Republic of the Congo", "url": "https://en.wikipedia.org/wiki/Demographics_of_the_Democratic_Republic_of_the_Congo", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "drc-population-frame-and-evidence", "name": "DRC population frame and evidence", "description": "Establishes which Congo, which population and which evidence a demographic statement concerns.", "rationale": "Country-name ambiguity and incompatible population definitions can invalidate an otherwise plausible comparison.", "layers": [ { "id": "territorial-and-population-identity", "name": "Territorial and population identity", "description": "Connects country identifiers and historical labels to a dated population universe.", "findings": [ { "id": "drc-record-admissibility", "name": "DRC record admissibility", "description": "A candidate record needs an explicit country match, territorial frame and inclusion rule before it can support this model.", "questions": [ { "text": "What country identifier and territorial description establish that this record concerns the Democratic Republic of the Congo rather than the Republic of the Congo?", "kind": "boundary", "id": "drc-record-admissibility-q01" }, { "text": "Does the record count usual residents, people present, citizens or another population, and how does it treat people temporarily absent?", "kind": "definition", "id": "drc-record-admissibility-q02" } ] } ] }, { "id": "demographic-evidence-lineage", "name": "Demographic evidence lineage", "description": "Separates primary observations from estimates and projections derived from them.", "findings": [ { "id": "population-series-support", "name": "Population series support", "description": "Each population series requires its originating evidence, estimation method, release version and stated limitations.", "questions": [ { "text": "Which enumeration, registration, survey or other observations anchor this DRC series, and which later publications reuse those observations?", "kind": "provenance", "id": "population-series-support-q01" }, { "text": "What coverage limitations, uncertainty measures and revision notes constrain use of this release?", "kind": "measurement", "id": "population-series-support-q02" } ] } ] } ] }, { "id": "population-distribution-and-geographic-change", "name": "Population distribution and geographic change", "description": "Organises national and local population measures around dated provincial and settlement geography.", "rationale": "An agent must distinguish demographic redistribution from changes in boundaries or settlement classification.", "layers": [ { "id": "provincial-population-accounting", "name": "Provincial population accounting", "description": "Relates subnational totals to national coverage and historical territorial units.", "findings": [ { "id": "comparable-provincial-totals", "name": "Comparable provincial totals", "description": "Provincial comparisons require compatible boundary versions and explicit treatment of missing or reassigned populations.", "questions": [ { "text": "Which province boundaries apply to each estimate, and what documented crosswalk connects older territorial units to the units used in the comparison?", "kind": "boundary", "id": "comparable-provincial-totals-q01" }, { "text": "Do provincial totals reconcile with the national total under the same date and population definition, and what explains any residual?", "kind": "measurement", "id": "comparable-provincial-totals-q02" } ] } ] }, { "id": "urban-and-rural-settlement", "name": "Urban and rural settlement", "description": "Distinguishes administrative, built-up and functional settlement measures, including those used for Kinshasa.", "findings": [ { "id": "settlement-definition-effects", "name": "Settlement definition effects", "description": "Urbanisation and density measures retain the settlement definition and land-area denominator used by their source.", "questions": [ { "text": "Does the reported population of Kinshasa refer to an administrative territory, a built-up settlement or a functional urban area?", "kind": "definition", "id": "settlement-definition-effects-q01" }, { "text": "How much of a reported change in the DRC urban population share reflects migration or natural increase, and how much reflects reclassification or boundary expansion?", "kind": "measurement", "id": "settlement-definition-effects-q02" } ] } ] } ] }, { "id": "age-structure-and-demographic-renewal", "name": "Age structure and demographic renewal", "description": "Connects population composition with fertility, mortality and cohort change.", "rationale": "Population totals alone cannot support interpretation of dependency, reproductive exposure or demographic momentum.", "layers": [ { "id": "cohorts-and-households", "name": "Cohorts and households", "description": "Records age, sex and household composition with their measurement constraints.", "findings": [ { "id": "composition-and-denominator-integrity", "name": "Composition and denominator integrity", "description": "Age and household indicators require explicit category definitions and checks on enumeration or sample exclusions.", "questions": [ { "text": "What age bands and sex categories does the DRC source report, and what evidence addresses age misreporting or missing ages?", "kind": "measurement", "id": "composition-and-denominator-integrity-q01" }, { "text": "How does the source define a household, and does its frame include collective accommodation, displaced households and people without conventional dwellings?", "kind": "boundary", "id": "composition-and-denominator-integrity-q02" } ] } ] }, { "id": "fertility-mortality-and-growth", "name": "Fertility, mortality and growth", "description": "Relates vital-event measures to population change and projection assumptions.", "findings": [ { "id": "vital-rate-interpretability", "name": "Vital-rate interpretability", "description": "Fertility, survival and growth claims retain their observation windows, estimation techniques and demographic assumptions.", "questions": [ { "text": "How were the reported fertility, child mortality and life expectancy measures estimated, and which periods and geographic populations do they represent?", "kind": "provenance", "id": "vital-rate-interpretability-q01" }, { "text": "Are births, deaths and net migration consistent with the reported population change, or is an unexplained adjustment required?", "kind": "measurement", "id": "vital-rate-interpretability-q02" }, { "text": "Which fertility, mortality and migration assumptions must accompany any DRC population projection used for planning?", "kind": "action", "id": "vital-rate-interpretability-q03" } ] } ] } ] }, { "id": "mobility-displacement-and-coverage", "name": "Mobility, displacement and coverage", "description": "Accounts for changes of residence, border crossings and displacement without conflating people, movements and administrative statuses.", "rationale": "Mobility evidence can alter population denominators while introducing overlapping categories and uneven observation.", "layers": [ { "id": "migration-and-cross-border-populations", "name": "Migration and cross-border populations", "description": "Separates residence, citizenship, origin and movement direction in DRC migration statistics.", "findings": [ { "id": "migration-stock-flow-separation", "name": "Migration stock and flow separation", "description": "Migration records identify whether they measure a resident population, a status population or movements during an interval.", "questions": [ { "text": "Does this measure concern foreign-born residents in the DRC, foreign citizens, Congolese people abroad or cross-border movements during a specified period?", "kind": "definition", "id": "migration-stock-flow-separation-q01" }, { "text": "How are arrivals, departures and returns incorporated into the resident-population estimate without mixing stocks and flows?", "kind": "measurement", "id": "migration-stock-flow-separation-q02" } ] } ] }, { "id": "displacement-and-observation-gaps", "name": "Displacement and observation gaps", "description": "Handles displacement counts and the geographic or household coverage limitations associated with population movement.", "findings": [ { "id": "displaced-population-reconciliation", "name": "Displaced-population reconciliation", "description": "Displacement figures require dated status definitions, counting methods and reconciliation with the population frame used elsewhere.", "questions": [ { "text": "Do DRC displacement figures count unique people, households, displacement episodes or movements, and how are repeated displacement and return handled?", "kind": "measurement", "id": "displaced-population-reconciliation-q01" }, { "text": "Which areas or living arrangements were inaccessible or excluded, and are displaced people represented at their origin, current location, both or neither?", "kind": "boundary", "id": "displaced-population-reconciliation-q02" }, { "text": "What reconciliation is needed before combining displacement estimates with provincial resident-population denominators?", "kind": "action", "id": "displaced-population-reconciliation-q03" } ] } ] } ] }, { "id": "social-composition-and-comparable-use", "name": "Social composition and comparable use", "description": "Represents language, affiliation and educational composition as source-defined population characteristics.", "rationale": "These categories help describe the population but can be misread when identification methods, multiple affiliations or eligible populations differ.", "layers": [ { "id": "language-and-affiliation", "name": "Language and affiliation", "description": "Preserves how linguistic, ethnic and religious categories were elicited and reported.", "findings": [ { "id": "social-category-meaning", "name": "Social category meaning", "description": "Population shares for language or affiliation remain tied to the original question, response rules and classification.", "questions": [ { "text": "Does a DRC language statistic measure first language, home language, proficiency or another practice, and can a person appear in multiple categories?", "kind": "definition", "id": "social-category-meaning-q01" }, { "text": "Were ethnic and religious affiliations self-reported, assigned or inferred, and what documented classification supports the published groupings?", "kind": "provenance", "id": "social-category-meaning-q02" } ] } ] }, { "id": "education-and-subgroup-comparability", "name": "Education and subgroup comparability", "description": "Qualifies literacy and educational composition measures by eligibility, instrument and supported disaggregation.", "findings": [ { "id": "supported-social-comparisons", "name": "Supported social comparisons", "description": "Comparisons across provinces or population groups require equivalent measures and adequate supporting evidence.", "questions": [ { "text": "Which ages, literacy assessment method and educational categories define each reported DRC indicator?", "kind": "measurement", "id": "supported-social-comparisons-q01" }, { "text": "Which provincial, sex, age or displacement-status comparisons are supported by the sample design and uncertainty, and which should an agent withhold?", "kind": "action", "id": "supported-social-comparisons-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 country-specific subject area rather than an independently institutionalized discipline.", "No current numerical estimates are supplied from recall; population totals, fertility, mortality, and urbanization figures require a source, reference year, and estimation method.", "Researchers should first verify census coverage and recency, survey representativeness, and how displacement is incorporated into estimates." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of demographics of the Democratic Republic of the Congo 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 reproductive patterns", "Mortality and survival", "Migration and displacement", "Spatial distribution and urbanization" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of demographics of the Democratic Republic of the Congo 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 alpha-3", "value_or_pattern": "COD", "note": "Identifies the country covered, not the demographic subject itself; distinguishes it from the Republic of the Congo." }, { "scheme": "UN M49", "value_or_pattern": "180", "note": "United Nations statistical country code for the Democratic Republic of the Congo." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of demographics of the Democratic Republic of the Congo 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 the Democratic Republic of the Congo 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 infrastructure.", "Estimating vaccination needs and maternal and child health service demand.", "Assessing humanitarian needs associated with displacement.", "Preparing population projections and evaluating development indicators.", "Studying settlement patterns, urban growth, and regional inequalities." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of demographics of the Democratic Republic of the Congo 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 modeled population estimates or projections as direct census counts.", "Undercounting populations in insecure, inaccessible, displaced, or mobile communities.", "Incomplete registration of births and deaths and errors in recalled ages or event dates.", "Comparing statistics that use different reference years, administrative boundaries, or definitions of urban residence.", "Treating ethnic or linguistic categories as fixed, mutually exclusive, or consistently measured across sources." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of demographics of the Democratic Republic of the Congo 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": [ "Kinshasa and other major urban centers differ from rural areas in settlement density, migration patterns, and access to services.", "Conflict and displacement complicate population measurement particularly in eastern areas.", "Provincial comparisons require attention to changes in administrative boundaries and uneven statistical coverage." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of demographics of the Democratic Republic of the Congo 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 provides general concepts and methods; this subject applies them to one country's population." }, { "name": "Demographics of the Republic of the Congo", "difference": "Concerns the separate country whose capital is Brazzaville; the Democratic Republic of the Congo has its capital in Kinshasa." }, { "name": "Geography of the Democratic Republic of the Congo", "difference": "Geography covers physical and human spatial relationships more broadly; demographics focuses on population characteristics and processes." }, { "name": "Population census of the Democratic Republic of the Congo", "difference": "A census is a particular enumeration operation and resulting dataset; demographics also draws on surveys, vital registration, and estimates." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of demographics of the Democratic Republic of the Congo this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which primary population observations currently anchor the principal DRC demographic series, and where do those series depend on shared inputs rather than independent evidence?", "Which documented geographic crosswalks allow defensible comparison of historical provincial populations with the boundaries used in current reporting?", "How completely do the available population and household sources cover displaced people, mobile populations and areas inaccessible during data collection?", "Which language, ethnic affiliation and religion estimates have traceable collection methods and sufficiently compatible definitions for comparison?", "What explains material disagreements among population estimates after reference dates, population universes, geographic boundaries and release versions are aligned?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 30 } }