{"id":"worldbank.unmet-need-for-contraception.nga.annual","dataset_id":"worldbank-unmet-need-for-contraception","indicator":"unmet-need-for-contraception","geography":"NGA","frequency":"annual","unit":"percent","start_period":"1990","end_period":"2021","org":"World Bank","original_indicator":"SP.UWT.TFRT","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","geography_name":"Nigeria","region":"Sub-Saharan Africa ","observations":[{"period":"1990","value":21.5,"flags":""},{"period":"1999","value":19.9047535639931,"flags":""},{"period":"2003","value":17.5,"flags":""},{"period":"2008","value":20.2,"flags":""},{"period":"2011","value":19.4,"flags":""},{"period":"2013","value":16.1,"flags":""},{"period":"2016","value":27.6164645790072,"flags":""},{"period":"2017","value":27.6,"flags":""},{"period":"2018","value":18.9,"flags":""},{"period":"2021","value":23.8518392262455,"flags":""}],"indicator_name":"Unmet need for contraception","topic":"Health","source":"worldbank","provenance":{"organization":"World Bank","original_indicator":"SP.UWT.TFRT","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","license":"see source"}}