{
 "code": "LK.SOC.WDI.SE_PRM_ENRL_TC_ZS.A",
 "name": "Pupil-teacher ratio, primary (World Bank WDI)",
 "unit": "Number",
 "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.SOC.WDI.SE_PRM_ENRL_TC_ZS.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": "1976", "value": 29.92557, "status": null},
  {"period": "1977", "value": 30.24474, "status": null},
  {"period": "1978", "value": 31.93331, "status": null},
  {"period": "1992", "value": 29.4319, "status": null},
  {"period": "1993", "value": 28.7496, "status": null},
  {"period": "1994", "value": 27.96393, "status": null},
  {"period": "1995", "value": 27.82225, "status": null},
  {"period": "1996", "value": 27.79433, "status": null},
  {"period": "2001", "value": 26.2789, "status": null},
  {"period": "2002", "value": 24.85287, "status": null},
  {"period": "2003", "value": 23.42655, "status": null},
  {"period": "2004", "value": 22.49661, "status": null},
  {"period": "2005", "value": 21.924, "status": null},
  {"period": "2006", "value": 23.47558, "status": null},
  {"period": "2007", "value": 23.8074, "status": null},
  {"period": "2008", "value": 23.49545, "status": null},
  {"period": "2009", "value": 23.14925, "status": null},
  {"period": "2010", "value": 23.91437, "status": null},
  {"period": "2011", "value": 24.06572, "status": null},
  {"period": "2012", "value": 24.4299, "status": null},
  {"period": "2013", "value": 23.74954, "status": null},
  {"period": "2014", "value": 23.65918, "status": null},
  {"period": "2015", "value": 23.15243, "status": null},
  {"period": "2016", "value": 23.16642, "status": null},
  {"period": "2017", "value": 22.93257, "status": null},
  {"period": "2018", "value": 21.73735, "status": null}
 ]
}