| Indicator | Value |
|---|---|
| Electoral democracy index | 0.505 indexV-Dem [2025] |
| Liberal democracy index | 0.311 indexV-Dem [2025] |
| Government effectiveness | -1.01 indexWorld Bank WGI [2024] |
| Rule of law | -1.01 indexWorld Bank WGI [2024] |
| Control of corruption | -1.11 indexWorld Bank WGI [2024] |
| Voice & accountability | -0.727 indexWorld Bank WGI [2024] |
| Political stability | -2 indexWorld Bank WGI [2024] |
| Regulatory quality | -0.633 indexWorld Bank WGI [2024] |
| Cabinet fragmentation index | 1 indexWB DPI [2023] |
| Governing majority margin | 0.591 %WB DPI [2023] |
| Parties in executive cabinet | 217WB DPI [2023] |
| Women in parliament | 3.91 %WB Gender [2024] |
| Constitutional history supplement | No authoritative open source found |
| Legal system | mixed system of English common law, Islamic law (in 12 northern states), and traditional lawCIA World Factbook [2025] · 2026 archive |
| Suffrage (voting rights) | 18 years of age; universalCIA World Factbook [2025] · 2026 archive |
several previous; latest adopted 5 May 1999, effective 29 May 1999
Source: CIA World Factbook (Historical Archive — final edition) · CC0 · Edition 2026-05
How to read these indices
V-Dem democracy indices range from 0 to 1 — higher values mean stronger democratic institutions. World Bank WGI governance estimates range from about −2.5 to +2.5, where higher is better. These are comparative indices across countries, not absolute scores.