Ranking
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Raw data are from Bankscope. Data2080[t] / ((data2010[t] + data2010[t-1])/2). Numerator and denominator are aggregated on the country level before division. Note that banks used in the calculation might differ between indicators. Calculated from underlying bank-by-bank unconsolidated data from Bankscope.
As of 2021, Zimbabwe ranks first with 12.83%, followed by Tajikistan (12.57%) and Argentina (10.44%).
Across 134 countries and territories, values run from 12.83% (Zimbabwe) to 0.17% (Iraq), with a median of 3.05%.
By region, the top 10 is made up of 8 from Africa, 1 from the Americas and 1 from Asia.
Source: World Bank Open Data — Bank net interest margin (%), 2021. Unit: %.
Source: World Bank Open Data — Bank net interest margin (%) · CC BY 4.0 · fetched Oct 17, 2026