Ranking
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Raw data are from Bankscope. (Sum(data2025) for three largest banks in Bankscope) / (Sum(data2025) for all banks in Bankscope). Only reported if number of banks in Bankscope is 3 or more. Calculated from underlying bank-by-bank unconsolidated data from Bankscope.
As of 2021, Barbados ranks first with 100.00%, followed by Fiji (100.00%) and Iceland (100.00%).
The top two are virtually level: Barbados and Fiji differ by less than 1%.
Across 134 countries and territories, values run from 100.00% (Barbados) to 17.87% (Nepal), with a median of 68.15%.
By region, the top 10 is made up of 4 from Africa, 3 from Europe, 1 from the Americas, 1 from Asia and 1 from Oceania.
Source: World Bank Open Data — Bank concentration (%), 2021. Unit: %.
Source: World Bank Open Data — Bank concentration (%) · CC BY 4.0 · fetched Oct 17, 2026