| Indicator | Value |
|---|---|
| Electoral democracy index | 0.745 indexV-Dem [2025] |
| Liberal democracy index | 0.631 indexV-Dem [2025] |
| Government effectiveness | 0.415 indexWorld Bank WGI [2024] |
| Rule of law | 0.424 indexWorld Bank WGI [2024] |
| Control of corruption | 0.941 indexWorld Bank WGI [2024] |
| Voice & accountability | 0.791 indexWorld Bank WGI [2024] |
| Political stability | 0.77 indexWorld Bank WGI [2024] |
| Regulatory quality | 0.0451 indexWorld Bank WGI [2024] |
| Cabinet fragmentation index | 0.507 indexWB DPI [2023] |
| Governing majority margin | 0.944 %WB DPI [2023] |
| Parties in executive cabinet | 68WB DPI [2023] |
| Women in parliament | 38.9 %WB Gender [2024] |
| Constitutional history supplement | No authoritative open source found |
| Legal system | civil law system of PortugalCIA World Factbook [2025] · 2026 archive |
| Suffrage (voting rights) | 18 years of age; universalCIA World Factbook [2025] · 2026 archive |
previous 1981; latest effective 25 September 1992
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.