Gini index of income inequality, where 0 is perfect equality and 100 is perfect inequality. Source: World Bank — World Development Indicators. Retrieved 15 Oct 2026.
| Period | Income Inequality (Gini) |
|---|---|
| 2022 | 33.9 |
| 2018 | 35.1 |
| 2015 | 35.9 |
| 2012 | 35.5 |
| 2010 | 35.7 |
| 2003 | 40.1 |
3 countries carry a recent Gini index figure. Each opens its own page with the history, the source and the API request.
164 of 207 indicators carry a figure for Nigeria, grouped by topic.