{"id":"worldbank.age-dependency-ratio-old.tcd.annual","dataset_id":"worldbank-age-dependency-ratio-old","indicator":"age-dependency-ratio-old","geography":"TCD","frequency":"annual","unit":"percent","start_period":"1960","end_period":"2025","org":"World Bank","original_indicator":"SP.POP.DPND.OL","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-05T23:59:57+00:00","version":"1","geography_name":"Chad","region":"Sub-Saharan Africa ","observations":[{"period":"1960","value":7.23366625609966,"flags":""},{"period":"1961","value":7.25586518261506,"flags":""},{"period":"1962","value":7.29858728452134,"flags":""},{"period":"1963","value":7.35244116693863,"flags":""},{"period":"1964","value":7.39060143356593,"flags":""},{"period":"1965","value":7.4022971094313,"flags":""},{"period":"1966","value":7.40609760436624,"flags":""},{"period":"1967","value":7.40805896519474,"flags":""},{"period":"1968","value":7.40628460643337,"flags":""},{"period":"1969","value":7.40425771570173,"flags":""},{"period":"1970","value":7.40399346916596,"flags":""},{"period":"1971","value":7.40052315893054,"flags":""},{"period":"1972","value":7.39580413056861,"flags":""},{"period":"1973","value":7.39052945260551,"flags":""},{"period":"1974","value":7.38522158431685,"flags":""},{"period":"1975","value":7.38740935640914,"flags":""},{"period":"1976","value":7.40133438878209,"flags":""},{"period":"1977","value":7.42495908048009,"flags":""},{"period":"1978","value":7.44951979825324,"flags":""},{"period":"1979","value":7.44863344588066,"flags":""},{"period":"1980","value":7.61168674924774,"flags":""},{"period":"1981","value":7.78082987890978,"flags":""},{"period":"1982","value":7.53655391583093,"flags":""},{"period":"1983","value":7.29996627125547,"flags":""},{"period":"1984","value":7.36860957278087,"flags":""},{"period":"1985","value":7.46239895092873,"flags":""},{"period":"1986","value":7.38851278890506,"flags":""},{"period":"1987","value":7.26717206421732,"flags":""},{"period":"1988","value":7.15425326043641,"flags":""},{"period":"1989","value":7.04918435458097,"flags":""},{"period":"1990","value":6.98942471533281,"flags":""},{"period":"1991","value":6.86044552133101,"flags":""},{"period":"1992","value":6.69298009332071,"flags":""},{"period":"1993","value":6.65997699300191,"flags":""},{"period":"1994","value":6.62689026819208,"flags":""},{"period":"1995","value":6.44733325780252,"flags":""},{"period":"1996","value":6.28279864948597,"flags":""},{"period":"1997","value":6.18972951993183,"flags":""},{"period":"1998","value":6.08299586742569,"flags":""},{"period":"1999","value":5.95726718113696,"flags":""},{"period":"2000","value":5.83896629107683,"flags":""},{"period":"2001","value":5.73229087454486,"flags":""},{"period":"2002","value":5.61663696052025,"flags":""},{"period":"2003","value":5.46907707526377,"flags":""},{"period":"2004","value":5.29827456771127,"flags":""},{"period":"2005","value":5.14686572917939,"flags":""},{"period":"2006","value":5.01618506026157,"flags":""},{"period":"2007","value":4.89350493101924,"flags":""},{"period":"2008","value":4.77105040843591,"flags":""},{"period":"2009","value":4.6567750640791,"flags":""},{"period":"2010","value":4.55715090897249,"flags":""},{"period":"2011","value":4.45714723977844,"flags":""},{"period":"2012","value":4.35810845143681,"flags":""},{"period":"2013","value":4.26273098079596,"flags":""},{"period":"2014","value":4.19502081316526,"flags":""},{"period":"2015","value":4.1676349405344,"flags":""},{"period":"2016","value":4.15003187215698,"flags":""},{"period":"2017","value":4.13186844415051,"flags":""},{"period":"2018","value":4.11759366037837,"flags":""},{"period":"2019","value":4.11092889175148,"flags":""},{"period":"2020","value":4.09657803358912,"flags":""},{"period":"2021","value":4.07251653301526,"flags":""},{"period":"2022","value":4.0670334545453,"flags":""},{"period":"2023","value":4.05323947601454,"flags":""},{"period":"2024","value":4.0523694268884,"flags":""},{"period":"2025","value":4.08122692286707,"flags":""}],"indicator_name":"Age dependency ratio, old","topic":"Health","source":"worldbank","provenance":{"organization":"World Bank","original_indicator":"SP.POP.DPND.OL","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-05T23:59:57+00:00","version":"1","license":"see source"}}