{"id":"worldbank.bank-concentration.nga.annual","dataset_id":"worldbank-bank-concentration","indicator":"bank-concentration","geography":"NGA","frequency":"annual","unit":"percent","start_period":"2000","end_period":"2021","org":"World Bank","original_indicator":"GFDD.OI.01","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":"2000","value":27.44961,"flags":""},{"period":"2001","value":23.52058,"flags":""},{"period":"2002","value":23.32425,"flags":""},{"period":"2003","value":23.40893,"flags":""},{"period":"2004","value":36.10556,"flags":""},{"period":"2005","value":58.96488,"flags":""},{"period":"2006","value":71.08604,"flags":""},{"period":"2007","value":76.03303,"flags":""},{"period":"2008","value":78.25548,"flags":""},{"period":"2009","value":78.0383,"flags":""},{"period":"2010","value":84.71514,"flags":""},{"period":"2011","value":45.2664,"flags":""},{"period":"2012","value":39.10059,"flags":""},{"period":"2013","value":40.04971,"flags":""},{"period":"2014","value":40.00892,"flags":""},{"period":"2015","value":37.64658,"flags":""},{"period":"2016","value":40.49417,"flags":""},{"period":"2017","value":41.18531,"flags":""},{"period":"2018","value":39.96852,"flags":""},{"period":"2019","value":44.06876,"flags":""},{"period":"2020","value":44.59077,"flags":""},{"period":"2021","value":59.31963,"flags":""}],"indicator_name":"Bank concentration","topic":"Financial Sector","source":"worldbank","provenance":{"organization":"World Bank","original_indicator":"GFDD.OI.01","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","license":"see source"}}