{
  "version": "2026-09-04",
  "evidenceThrough": "2026-09-04",
  "records": [
    {
      "id": "cht-current-administrative-frame",
      "type": "verified-fact",
      "value": 3,
      "unit": "districts",
      "definition": "Present-day administrative CHT: Bandarban, Khagrachhari, and Rangamati",
      "sources": ["MS0001"],
      "caveat": "Historical, customary, forest, and watershed geographies are different objects."
    },
    {
      "id": "cht-current-upazilas",
      "type": "verified-fact",
      "value": 26,
      "unit": "upazilas",
      "definition": "Current working administrative count: 7 in Bandarban, 9 in Khagrachhari, and 10 in Rangamati",
      "sources": ["MS0006", "MS0007", "MS0008", "MS0304", "MS0305", "MS0306"],
      "caveat": "Older 25-upazila references predate Guimara's current inclusion."
    },
    {
      "id": "cht-area-fao-definition",
      "type": "reported-value",
      "value": 13295,
      "unit": "square kilometres",
      "period": "present-day three-district definition",
      "sources": ["MS0001"],
      "caveat": "Do not harmonize historical area figures without a boundary crosswalk."
    },
    {
      "id": "population-2022-total",
      "type": "reported-value",
      "value": 1842811,
      "unit": "people",
      "period": "2022 census",
      "geography": "three CHT districts",
      "sources": ["MS0065", "MS0066", "MS0067", "MS0068"],
      "caveat": "BBS category definitions and census method travel with the figure."
    },
    {
      "id": "population-2022-ethnic-category",
      "type": "reported-value",
      "value": 920248,
      "unit": "people",
      "period": "2022 census",
      "definition": "BBS statutory ethnic-population category",
      "sources": ["MS0065", "MS0066", "MS0067", "MS0068", "MS0081"],
      "caveat": "The statutory category is not interchangeable with every self-identity or language category."
    },
    {
      "id": "population-2022-non-ethnic-residual",
      "type": "calculated",
      "value": 922563,
      "unit": "people",
      "formula": "1,842,811 minus 920,248",
      "period": "2022 census",
      "sources": ["MS0065", "MS0066", "MS0067", "MS0068"],
      "caveat": "This is a calculated non-ethnic-category residual, not an official Bengali count."
    },
    {
      "id": "poverty-2022-district-estimates",
      "type": "modelled-estimate",
      "unit": "percent under upper poverty line",
      "period": "2022 Poverty Map",
      "values": {"Bandarban": 25.0, "Khagrachhari": 15.9, "Rangamati": 14.3},
      "sources": ["MS0236"],
      "caveat": "Display standard errors. Geographic estimates are not community-specific poverty rates."
    },
    {
      "id": "kaptai-fisheries-2023-24",
      "type": "reported-value",
      "value": 19253,
      "unit": "tonnes",
      "period": "FY2023/24",
      "geography": "Kaptai Lake, stated 68,800 ha",
      "sources": ["MS0228"],
      "caveat": "A one-year increase does not establish ecological recovery or fisher-income growth."
    }
  ]
}