{
  "source_url": "https://population.un.org/wpp/assets/Excel%20Files/1_Indicator%20%28Standard%29/CSV_FILES/WPP2024_PopulationExposureBySingleAgeSex_Medium_2024-2100.csv.gz",
  "source_index": "https://population.un.org/wpp/assets/downloads.json",
  "filename": "WPP2024_PopulationExposureBySingleAgeSex_Medium_2024-2100.csv.gz",
  "bytes": 67284622,
  "sha256": "cb6dab1d7117ff48983273aab29cb5aba544df7151b2c26390cdcd4a4dfd0555",
  "release": "WPP2024",
  "variant": "Medium",
  "reference_date": "01 Jan - 31 Dec",
  "unit": "thousand_person_years",
  "age_definition": "single years0..99 and100+",
  "license": "CC BY3.0IGO",
  "citation": "United Nations, Department of Economic and Social Affairs, Population Division (2024). World Population Prospects2024, Online Edition.",
  "purpose": "External national demographic scenario only; no regional disaggregation or validation claim",
  "unit_verification": "Inferred from official D_in_thousands=E_raw*mx for7700 closed single-age/year male cells, all within published rounding; not verbatim CSV unit label",
  "open_age_caveat": "61 of77 open-age comparisons exceed input rounding. Do not assert exact D=E*published100plus mx; open-age population age composition may differ from synthetic life-table composition; mechanism unresolved. Cause not independently established.",
  "validation_scope": "source unit/identity diagnostic, not calibrated future certainty or coherent hybrid population forecast"
}