{
 "code": "LK.POP.WDI.SP_POP_BRTH_MF.A",
 "name": "Sex ratio at birth (male births per female births) (modelled estimate) (World Bank WDI)",
 "unit": "Male births per female births",
 "frequency": "Annual",
 "base_year": null,
 "producer": "World Bank",
 "publisher": "World Bank",
 "source_url": "https://data.worldbank.org/country/sri-lanka",
 "latest_vintage": "2026-10-08",
 "page": "/data/series/LK.POP.WDI.SP_POP_BRTH_MF.A/",
 "notice": "Compiled by Macro Lab; not an official publication of the source agency. Provided as is, without warranty of any kind. Not investment advice.",
 "licence": "Source: The World Bank. Licence: CC BY 4.0. https://creativecommons.org/licenses/by/4.0/",
 "observations": [
  {"period": "1960", "value": 1.043, "status": null},
  {"period": "1961", "value": 1.042, "status": null},
  {"period": "1962", "value": 1.042, "status": null},
  {"period": "1963", "value": 1.042, "status": null},
  {"period": "1964", "value": 1.041, "status": null},
  {"period": "1965", "value": 1.041, "status": null},
  {"period": "1966", "value": 1.041, "status": null},
  {"period": "1967", "value": 1.040, "status": null},
  {"period": "1968", "value": 1.040, "status": null},
  {"period": "1969", "value": 1.040, "status": null},
  {"period": "1970", "value": 1.040, "status": null},
  {"period": "1971", "value": 1.040, "status": null},
  {"period": "1972", "value": 1.040, "status": null},
  {"period": "1973", "value": 1.039, "status": null},
  {"period": "1974", "value": 1.038, "status": null},
  {"period": "1975", "value": 1.038, "status": null},
  {"period": "1976", "value": 1.039, "status": null},
  {"period": "1977", "value": 1.040, "status": null},
  {"period": "1978", "value": 1.042, "status": null},
  {"period": "1979", "value": 1.043, "status": null},
  {"period": "1980", "value": 1.044, "status": null},
  {"period": "1981", "value": 1.045, "status": null},
  {"period": "1982", "value": 1.044, "status": null},
  {"period": "1983", "value": 1.044, "status": null},
  {"period": "1984", "value": 1.045, "status": null},
  {"period": "1985", "value": 1.045, "status": null},
  {"period": "1986", "value": 1.046, "status": null},
  {"period": "1987", "value": 1.046, "status": null},
  {"period": "1988", "value": 1.046, "status": null},
  {"period": "1989", "value": 1.045, "status": null},
  {"period": "1990", "value": 1.044, "status": null},
  {"period": "1991", "value": 1.042, "status": null},
  {"period": "1992", "value": 1.041, "status": null},
  {"period": "1993", "value": 1.041, "status": null},
  {"period": "1994", "value": 1.041, "status": null},
  {"period": "1995", "value": 1.041, "status": null},
  {"period": "1996", "value": 1.042, "status": null},
  {"period": "1997", "value": 1.044, "status": null},
  {"period": "1998", "value": 1.045, "status": null},
  {"period": "1999", "value": 1.045, "status": null},
  {"period": "2000", "value": 1.046, "status": null},
  {"period": "2001", "value": 1.046, "status": null},
  {"period": "2002", "value": 1.045, "status": null},
  {"period": "2003", "value": 1.046, "status": null},
  {"period": "2004", "value": 1.046, "status": null},
  {"period": "2005", "value": 1.047, "status": null},
  {"period": "2006", "value": 1.047, "status": null},
  {"period": "2007", "value": 1.047, "status": null},
  {"period": "2008", "value": 1.047, "status": null},
  {"period": "2009", "value": 1.046, "status": null},
  {"period": "2010", "value": 1.045, "status": null},
  {"period": "2011", "value": 1.044, "status": null},
  {"period": "2012", "value": 1.043, "status": null},
  {"period": "2013", "value": 1.043, "status": null},
  {"period": "2014", "value": 1.043, "status": null},
  {"period": "2015", "value": 1.043, "status": null},
  {"period": "2016", "value": 1.043, "status": null},
  {"period": "2017", "value": 1.043, "status": null},
  {"period": "2018", "value": 1.043, "status": null},
  {"period": "2019", "value": 1.044, "status": null},
  {"period": "2020", "value": 1.044, "status": null},
  {"period": "2021", "value": 1.044, "status": null},
  {"period": "2022", "value": 1.044, "status": null},
  {"period": "2023", "value": 1.044, "status": null},
  {"period": "2024", "value": 1.044, "status": null}
 ]
}