| Indicator | Value |
|---|---|
| Electoral democracy index | No authoritative open source found |
| Liberal democracy index | No authoritative open source found |
| Government effectiveness | 1.27 indexWorld Bank WGI [2024] |
| Rule of law | 1.03 indexWorld Bank WGI [2024] |
| Control of corruption | 1.18 indexWorld Bank WGI [2024] |
| Voice & accountability | 1.18 indexWorld Bank WGI [2024] |
| Political stability | 0.993 indexWorld Bank WGI [2024] |
| Regulatory quality | 0.392 indexWorld Bank WGI [2024] |
| Cabinet fragmentation index | No authoritative open source found |
| Governing majority margin | No authoritative open source found |
| Parties in executive cabinet | No authoritative open source found |
| Women in parliament | No authoritative open source found |
| Constitutional history supplement | No authoritative open source found |
| Legal system | common law modeled on US system; US federal laws applyCIA World Factbook [2025] · 2026 archive |
| Suffrage (voting rights) | 18 years of age; universal; note: Guamanians are US citizens but do not vote in US presidential electionsCIA World Factbook [2025] · 2026 archive |
effective 1 July 1950 (Guam Act of 1950 serves as a constitution)
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.
