{"exportedAt":"2026-09-14T12:30:39.690Z","asOf":"2024-12-31","isSeed":false,"sourceName":"Department of Census and Statistics (Census 2024, Final Report — age structure)","methodologyNote":"Age structure from exact 5-year age-band counts in the DCS Census of Population and Housing 2024 Final Report (Person-AgeGroup), mirrored from the open nuuuwan/lk_census_2024 dataset. Children 0-14, working age 15-64, seniors 65+. Dependency ratio = (children + seniors) per 100 working-age. Static census reference — updated when DCS publishes revisions.","national":{"population":21781800,"childrenSharePct":20.7,"workingAgeSharePct":66.7,"ageingSharePct":12.6,"dependencyRatio":49.8},"districts":[{"slug":"gampaha","population":2436142,"childrenSharePct":18,"workingAgeSharePct":68.8,"ageingSharePct":13.2,"dependencyRatio":45.4},{"slug":"colombo","population":2375415,"childrenSharePct":16.5,"workingAgeSharePct":70,"ageingSharePct":13.5,"dependencyRatio":43},{"slug":"kurunegala","population":1768156,"childrenSharePct":20.6,"workingAgeSharePct":65.7,"ageingSharePct":13.7,"dependencyRatio":52.2},{"slug":"kandy","population":1461895,"childrenSharePct":21.1,"workingAgeSharePct":65.1,"ageingSharePct":13.7,"dependencyRatio":53.5},{"slug":"kalutara","population":1305784,"childrenSharePct":19.5,"workingAgeSharePct":67.2,"ageingSharePct":13.4,"dependencyRatio":48.9},{"slug":"ratnapura","population":1145423,"childrenSharePct":20.3,"workingAgeSharePct":66.5,"ageingSharePct":13.2,"dependencyRatio":50.3},{"slug":"galle","population":1097372,"childrenSharePct":19.9,"workingAgeSharePct":65.8,"ageingSharePct":14.3,"dependencyRatio":52.1},{"slug":"anuradhapura","population":960080,"childrenSharePct":22.9,"workingAgeSharePct":66.9,"ageingSharePct":10.2,"dependencyRatio":49.5},{"slug":"badulla","population":872307,"childrenSharePct":21.6,"workingAgeSharePct":66.4,"ageingSharePct":12,"dependencyRatio":50.5},{"slug":"kegalle","population":870476,"childrenSharePct":19.7,"workingAgeSharePct":65.2,"ageingSharePct":15.1,"dependencyRatio":53.3},{"slug":"matara","population":837889,"childrenSharePct":20.7,"workingAgeSharePct":64.5,"ageingSharePct":14.8,"dependencyRatio":55},{"slug":"puttalam","population":818816,"childrenSharePct":22.7,"workingAgeSharePct":66.6,"ageingSharePct":10.7,"dependencyRatio":50.2},{"slug":"ampara","population":744551,"childrenSharePct":25.5,"workingAgeSharePct":65.9,"ageingSharePct":8.5,"dependencyRatio":51.6},{"slug":"nuwara-eliya","population":725280,"childrenSharePct":23.4,"workingAgeSharePct":64.6,"ageingSharePct":12,"dependencyRatio":54.8},{"slug":"hambantota","population":671418,"childrenSharePct":22.5,"workingAgeSharePct":64.8,"ageingSharePct":12.7,"dependencyRatio":54.3},{"slug":"batticaloa","population":595918,"childrenSharePct":24.6,"workingAgeSharePct":67.2,"ageingSharePct":8.2,"dependencyRatio":48.7},{"slug":"jaffna","population":594751,"childrenSharePct":19.6,"workingAgeSharePct":65.9,"ageingSharePct":14.5,"dependencyRatio":51.7},{"slug":"monaragala","population":527585,"childrenSharePct":23.5,"workingAgeSharePct":66.4,"ageingSharePct":10.1,"dependencyRatio":50.7},{"slug":"matale","population":526870,"childrenSharePct":21.9,"workingAgeSharePct":65.3,"ageingSharePct":12.8,"dependencyRatio":53.2},{"slug":"polonnaruwa","population":447530,"childrenSharePct":22.6,"workingAgeSharePct":66.5,"ageingSharePct":10.8,"dependencyRatio":50.3},{"slug":"trincomalee","population":442745,"childrenSharePct":26.1,"workingAgeSharePct":66.4,"ageingSharePct":7.4,"dependencyRatio":50.5},{"slug":"vavuniya","population":172312,"childrenSharePct":22.5,"workingAgeSharePct":68.1,"ageingSharePct":9.4,"dependencyRatio":46.8},{"slug":"kilinochchi","population":136710,"childrenSharePct":22.2,"workingAgeSharePct":68.5,"ageingSharePct":9.4,"dependencyRatio":46},{"slug":"mannar","population":123756,"childrenSharePct":24.4,"workingAgeSharePct":67.2,"ageingSharePct":8.4,"dependencyRatio":48.8},{"slug":"mullaitivu","population":122619,"childrenSharePct":22.7,"workingAgeSharePct":67.8,"ageingSharePct":9.4,"dependencyRatio":47.4}],"provenance":{"upstream":"nuuuwan/lk_census_2024","table":"data/Person-AgeGroup/data.json","commit":"19d83f177252f9b256b125e30130b5bb5f733480","fetchedAt":"2026-09-09T14:52:55.318Z","dcsSource":"Census of Population and Housing 2024, Final Report — age structure"}}