Based on a comparison of 101 countries in 2017, Tanzania ranked the highest in net interest margin as a percentage of bank assets with 10.7% followed by Malawi and Uganda. On the other end of the scale was Finland with 0.410%, Switzerland with 0.765% and United Kingdom with 0.869%.
Data for more countries are available at Net Interest Margin (As % of Total Bank Assets) indicator page.
| Net Interest Margin (As % of Total Bank Assets) | Unit | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| Burundi | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | 6.89% | 6.60% | 6.57% | ... | ... | ... | ... | |||||
| Dominican Republic | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | 7.18% | 7.02% | 7.16% | 7.52% | ... | ... | ... | |||||
| Gambia | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | 7.66% | 8,223% | 6,977% | 6,070% | 4,853% | ... | ... | |||||
| Ghana | % | ... | ... | ... | ... | ... | ... | ... | 9.96% | 9.27% | 8.46% | 8.01% | 7.80% | |||||||||
| Kazakhstan | % | ... | 4.25% | 6.45% | 4.12% | 3.93% | 4.42% | ... | ||||||||||||||
| Kenya | % | ... | ... | ... | ... | ... | 6.47% | 6.88% | 5.96% | 5.76% | 5.47% | ... | ||||||||||
| Kyrgyzstan | % | ... | ... | 6.43% | 5.55% | 6.18% | 6.81% | 6.49% | ||||||||||||||
| Lesotho | % | ... | ... | ... | ... | ... | ... | ... | ... | 6.19% | 6.69% | 6.30% | 6.78% | 6,495% | ||||||||
| Madagascar | % | ... | ... | ... | ... | ... | 5.98% | 6.02% | 6.23% | 6.62% | 5.97% | ... | ||||||||||
| Malawi | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 10.1% | 10.5% | 9.94% | 8.59% | 7.27% | ... | |
| Nicaragua | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | 6.69% | 6.93% | 6.90% | 6.69% | 6.23% | ... | ||||||
| Peru | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | 7.01% | 6.97% | 7.23% | 7.70% | 7.61% | ... | ||||||
| Rwanda | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | 7.49% | 7.69% | 7.46% | 7.55% | ... | ... | ... | |||||
| Tanzania | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | 6.90% | 10.7% | 3.54% | 3.58% | 3.53% | ... | ||||||
| Uganda | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | 7.94% | 8.74% | 8.19% | 8.29% | 7.84% | ... |
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