Statizoid

Electoral democracy in Tonga

Tonga: Electoral democracy was 1 in 2025. ◆ Volatile

Latest (2025)
1
Change on year
unchanged
World rank
1st
of 197 countries
All-time high
1
in 2010
All-time low
0
in 1845
Years of data
181
1845–2025

Electoral democracy in Tonga, 1845–2025

00.20.40.60.81184519352025

Source: Lexical Index (2026) – processed by Our World in Data.

Analysis

The most recent figure for electoral democracy in Tonga is 1, measured in 2025. That is the highest value across all 181 years on record.

That represents a change of unchanged over ten years.

Over the whole period, electoral democracy in Tonga peaked at 1 in 2010 and was at its lowest, 0, in 1845.

Tonga ranks 1st of 197 countries on this measure, in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
1840s 0 0 0 5
1850s 0 0 0 10
1860s 0 0 0 10
1870s 0 0 0 10
1880s 0 0 0 10
1890s 0 0 0 10
1900s 0 0 0 10
1910s 0 0 0 10
1920s 0 0 0 10
1930s 0 0 0 10
1940s 0 0 0 10
1950s 0 0 0 10
1960s 0 0 0 10
1970s 0 0 0 10
1980s 0 0 0 10
1990s 0 0 0 10
2000s 0 0 0 10
2010s 1 1 1 10
2020s 1 1 1 6

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See the full ranking of 198 places →

More social development data for Tonga

All data for Tonga →

Frequently asked questions

What is electoral democracy in Tonga?
Electoral democracy in Tonga was 1 in 2025, according to Lexical Index (2026) – processed by Our World in Data.
What is the highest electoral democracy recorded in Tonga?
The highest recorded value was 1 in 2010.
What is the lowest electoral democracy recorded in Tonga?
The lowest recorded value was 0 in 1845.
How does Tonga rank for electoral democracy?
Tonga ranks 1st out of 197 countries with data for 2025.
Is electoral democracy rising or falling in Tonga?
Over the last ten years it is unchanged. The long-run trend across the full record is volatile.
Where does this Tonga data come from?
The figures come from Lexical Index (2026) – processed by Our World in Data, published as part of Electoral democracy. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 181 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Electoral democracy
Source
Lexical Index (2026) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
198 places, 32,485 data points, 1789–2025
Last refreshed

Identifies the political regime of a country using the reduced Lexical Index of Electoral Democracy. It distinguishes between non-electoral autocracies, one-party autocracies, multi-party autocracies without elected executive, multi-party autocracies, exclusive democracies, male democracies, and electoral democracies (including full democracies or polyarchies).