{"version":1,"asset_type":"statistical_series","data_type":"time_series","slug":"gb-bank-concentration-top5","url":"https://apiardata.com/statistics/gb-bank-concentration-top5","html_url":"https://apiardata.com/statistics/gb-bank-concentration-top5/","title":"United Kingdom Bank Concentration (Top-3 Banks Asset Share) (2021)","description":"United Kingdom's Bank Concentration (Top-3 Banks Asset Share): 42.9 % of total commercial banking assets in 2021, -2.4pp YoY.","domain":"macro","category":"Economy & Macro","keywords":["Economy & Macro","World Bank","United Kingdom","2021"],"publisher":"World Bank","frequency":"Annual","geography":"United Kingdom","temporal_coverage":"2000/2021","unit":"% of total commercial banking assets","last_updated":"2026-07-27","last_updated_text":"27 July 2026","data_as_of":"2021","variable_measured":"United Kingdom Bank Concentration (Top-3 Banks Asset Share)","license":"https://apiardata.com/data-license","is_accessible_for_free":true,"sources":[{"name":"World Bank","url":"https://data.worldbank.org/indicator/GFDD.OI.01?locations=GB"}],"meta":[{"label":"Frequency","value":"Annual"},{"label":"Coverage","value":"2000–2021"},{"label":"Observations","value":"22"},{"label":"Geography","value":"United Kingdom"},{"label":"Last updated","value":"27 July 2026"}],"kpis":[{"label":"United Kingdom (2021)","value":"42.9","unit":"% of total commercial banking assets","trend":{"direction":"down","value":"-2.4pp YoY"}},{"label":"YoY Change","value":"-2.4pp","unit":"percentage points"},{"label":"Trend","value":"down","unit":""},{"label":"Series length","value":"22","unit":"years of data"}],"series":[{"key":"value","label":"United Kingdom Bank Concentration (Top-3 Banks Asset Share)"}],"observation_count":22,"observations":[{"period":"2000","value":33.88561},{"period":"2001","value":35.85346},{"period":"2002","value":36.48047},{"period":"2003","value":33.83769},{"period":"2004","value":68.17005},{"period":"2005","value":50.45573},{"period":"2006","value":52.31615},{"period":"2007","value":59.3606},{"period":"2008","value":63.01719},{"period":"2009","value":57.04763},{"period":"2010","value":56.81635},{"period":"2011","value":57.38816},{"period":"2012","value":54.9037},{"period":"2013","value":51.62252},{"period":"2014","value":55.14208},{"period":"2015","value":57.9376},{"period":"2016","value":57.91273},{"period":"2017","value":58.24015},{"period":"2018","value":45.04388},{"period":"2019","value":44.79926},{"period":"2020","value":45.27813},{"period":"2021","value":42.90733}],"table":{"columns":[{"key":"year","label":"Year"},{"key":"value","label":"% of total commercial banking assets"},{"key":"yoyChange","label":"YoY Change"}],"rows":[{"year":"2021","value":"42.91","yoyChange":"-2.37pp"},{"year":"2020","value":"45.28","yoyChange":"+0.48pp"},{"year":"2019","value":"44.80","yoyChange":"-0.24pp"},{"year":"2018","value":"45.04","yoyChange":"-13.20pp"},{"year":"2017","value":"58.24","yoyChange":"+0.33pp"},{"year":"2016","value":"57.91","yoyChange":"-0.02pp"},{"year":"2015","value":"57.94","yoyChange":"+2.80pp"},{"year":"2014","value":"55.14","yoyChange":"+3.52pp"},{"year":"2013","value":"51.62","yoyChange":"-3.28pp"},{"year":"2012","value":"54.90","yoyChange":"-2.48pp"},{"year":"2011","value":"57.39","yoyChange":"+0.57pp"},{"year":"2010","value":"56.82","yoyChange":"-0.23pp"},{"year":"2009","value":"57.05","yoyChange":"-5.97pp"},{"year":"2008","value":"63.02","yoyChange":"+3.66pp"},{"year":"2007","value":"59.36","yoyChange":"+7.04pp"},{"year":"2006","value":"52.32","yoyChange":"+1.86pp"},{"year":"2005","value":"50.46","yoyChange":"-17.71pp"},{"year":"2004","value":"68.17","yoyChange":"+34.33pp"},{"year":"2003","value":"33.84","yoyChange":"-2.64pp"},{"year":"2002","value":"36.48","yoyChange":"+0.63pp"}]},"qa":[{"question":"What does this indicator measure?","answer":"This page tracks the share of total commercial banking assets held by the three largest commercial banks in United Kingdom from 2000 to present. Bank concentration shapes competition, systemic risk, and pricing power. It is published by World Bank and updated annually."},{"question":"How current is this data?","answer":"The most recent observation covers 2021. World Bank typically publishes this series with a lag of several months after the reference period. The series runs 2000–2021 (22 observations)."},{"question":"What is the long-term trend?","answer":"The series peaked at 68.2 % of total commercial banking assets in 2004 and reached its lowest recorded value of 33.8 in 2003. The latest reading of 42.9 in 2021 represents a change of -2.4pp."}]}