{"id":"who.who-ntd-onchemo.nga.annual","dataset_id":"who-ntd-onchemo","indicator":"who-ntd-onchemo","geography":"NGA","frequency":"annual","unit":"count","start_period":"2013","end_period":"2025","org":"World Health Organization","original_indicator":"NTD_ONCHEMO","url":"https://ghoapi.azureedge.net/api","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","geography_name":"Nigeria","region":"Sub-Saharan Africa ","observations":[{"period":"2013","value":50124539.0,"flags":""},{"period":"2014","value":51392689.0,"flags":""},{"period":"2015","value":47484244.0,"flags":""},{"period":"2016","value":53083821.0,"flags":""},{"period":"2017","value":49900711.0,"flags":""},{"period":"2018","value":55771190.0,"flags":""},{"period":"2019","value":50567805.0,"flags":""},{"period":"2020","value":51730867.0,"flags":""},{"period":"2021","value":50876435.0,"flags":""},{"period":"2022","value":43465628.0,"flags":""},{"period":"2023","value":46890284.0,"flags":""},{"period":"2024","value":40379411.0,"flags":""},{"period":"2025","value":35070349.0,"flags":""}],"indicator_name":"Number of individuals in the country requiring preventive chemotherapy for onchocerciasis","topic":"Health","source":"who","provenance":{"organization":"World Health Organization","original_indicator":"NTD_ONCHEMO","url":"https://ghoapi.azureedge.net/api","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","license":"see source"}}