Governance

Tonga

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Women in parliament19972024
01.923.855.777.6919972024
Source: WB Gender
IndicatorValue
Electoral democracy indexNo authoritative open source found
Liberal democracy indexNo authoritative open source found
Government effectiveness-0.0373 indexWorld Bank WGI [2024]
Rule of law0.694 indexWorld Bank WGI [2024]
Control of corruption-0.399 indexWorld Bank WGI [2024]
Voice & accountability0.821 indexWorld Bank WGI [2024]
Political stability1.25 indexWorld Bank WGI [2024]
Regulatory quality-0.194 indexWorld Bank WGI [2024]
Cabinet fragmentation indexNo authoritative open source found
Governing majority marginNo authoritative open source found
Parties in executive cabinetNo authoritative open source found
Women in parliament7.14 %WB Gender [2024]
Constitutional history supplementNo authoritative open source found
Legal systemEnglish common lawCIA World Factbook [2025] · 2026 archive
Suffrage (voting rights)21 years of age; universalCIA World Factbook [2025] · 2026 archive

adopted 4 November 1875, revised 1988, 2016

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.

Section metadata

Data year2025
EditionDatabook 2026
Coverage9/15
LicenseCC-BY
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Datasets on this page
  • World Bank WGI
    world_bank_wgi
    Edition: 2024
  • WB Gender
    world_bank_gender
    Edition: 2026
  • CIA World Factbook
    cia_factbook
    Edition: 2025
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About this data

Tonga's governance on Databook compiles 9 indicators from 3 open datasets including World Bank WGI, WB Gender, CIA World Factbook. Key figures include government effectiveness (-0.0373 index), rule of law (0.694 index). Data is referenced to 2025. Every value carries its source and publication year, published under open licenses.