{
 "code": "LK.POP.CENSUS_HISTORY.TOTAL_POPULATION.I",
 "name": "Total Population",
 "unit": "Thousand persons",
 "frequency": "Irregular",
 "base_year": null,
 "producer": "Department of Census and Statistics",
 "publisher": "Central Bank of Sri Lanka",
 "source_url": "https://www.cbsl.gov.lk/en/statistics/economic-and-social-statistics-of-sri-lanka",
 "latest_vintage": "2026-08-31",
 "page": "/data/series/LK.POP.CENSUS_HISTORY.TOTAL_POPULATION.I/",
 "notice": "Compiled by Macro Lab; not an official publication of the source agency. Provided as is, without warranty of any kind. Not investment advice.",
 "observations": [
  {"period": "1881-01-01", "value": 2759.7, "status": null},
  {"period": "1891-01-01", "value": 3007.8, "status": null},
  {"period": "1901-01-01", "value": 3566.0, "status": null},
  {"period": "1911-01-01", "value": 4106.4, "status": null},
  {"period": "1921-01-01", "value": 4498.6, "status": null},
  {"period": "1931-01-01", "value": 5306.9, "status": null},
  {"period": "1946-01-01", "value": 6657.3, "status": null},
  {"period": "1953-01-01", "value": 8097.9, "status": null},
  {"period": "1963-01-01", "value": 10582.0, "status": null},
  {"period": "1971-01-01", "value": 12689.8, "status": null},
  {"period": "1981-01-01", "value": 14846.8, "status": null},
  {"period": "2001-01-01", "value": 18797.3, "status": null},
  {"period": "2012-01-01", "value": 20359.4, "status": null},
  {"period": "2024-01-01", "value": 21781.8, "status": null}
 ]
}