Electoral democracy index in Sao Tome and Principe

Sao Tome and Principe: Electoral democracy index was 0.632 in 2025. β—† Volatile

Latest (2025)
0.632
Change on year
unchanged
World rank
67th
of 176 countries
All-time high
0.67
in 2019
All-time low
0.025
in 1900
Years of data
126
1900–2025

Electoral democracy index in Sao Tome and Principe, 1900–2025

00.20.40.6190019622025

Source: Our World in Data.

Analysis

Sao Tome and Principe recorded 0.632 for electoral democracy index in 2025.

Compared with earlier readings it is down 4.8% over ten years.

Over the whole period, electoral democracy index in Sao Tome and Principe peaked at 0.67 in 2019 and was at its lowest, 0.025, in 1900.

Sao Tome and Principe ranks 67th of 176 countries on this measure, in the middle of the range.

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

Averages by decade

DecadeAverage LowestHighest Years
1900s 0.025 0.025 0.025 10
1910s 0.0358 0.025 0.037 10
1920s 0.0333 0.026 0.037 10
1930s 0.026 0.026 0.026 10
1940s 0.028 0.028 0.028 10
1950s 0.0278 0.026 0.028 10
1960s 0.028 0.028 0.028 10
1970s 0.0966 0.028 0.158 10
1980s 0.1673 0.158 0.189 10
1990s 0.5801 0.234 0.642 10
2000s 0.6409 0.637 0.644 10
2010s 0.6565 0.647 0.67 10
2020s 0.6458 0.632 0.66 6

Countries ranked near Sao Tome and Principe

  1. 64 Montenegro 0.636 compare
  2. 65 Namibia 0.633 compare
  3. 65 Senegal 0.633 compare
  4. 68 Armenia 0.614 compare
  5. 69 Ecuador 0.607 compare
  6. 70 Bolivia, Plurinational State of 0.605 compare
  7. 70 Romania 0.605 compare

See the full ranking of 176 places β†’

More social development data for Sao Tome and Principe

All data for Sao Tome and Principe β†’

Frequently asked questions

What is electoral democracy index in Sao Tome and Principe?
Electoral democracy index in Sao Tome and Principe was 0.632 in 2025, according to Our World in Data.
What is the highest electoral democracy index recorded in Sao Tome and Principe?
The highest recorded value was 0.67 in 2019.
What is the lowest electoral democracy index recorded in Sao Tome and Principe?
The lowest recorded value was 0.025 in 1900.
How does Sao Tome and Principe rank for electoral democracy index?
Sao Tome and Principe ranks 67th out of 176 countries with data for 2025.
Is electoral democracy index rising or falling in Sao Tome and Principe?
Over the last ten years it is down 4.8%. The long-run trend across the full record is volatile.
Where does this Sao Tome and Principe data come from?
The figures come from Our World in Data, published as part of Electoral democracy index. Statizoid updates them automatically from the source API.

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Electoral democracy index in Sao Tome and Principe. Statizoid, drawing on Our World in Data. Retrieved 20 August 2026, from https://social-development.statizoid.com/stat/electoral-democracy-index/sao-tome-and-principe/

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About this data

Indicator
Electoral democracy index
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
176 places, 29,649 data points, 1789–2025
Last refreshed