How many years of comparable data are there for Armenia and Sao Tome and Principe?

108 years are reported by both, from 1918 to 2025.

Where does this data come from?

V-Dem (2026) – processed by Our World in Data, published as Government Effectiveness Index vs. Electoral Democracy Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Armenia vs Sao Tome and Principe: Government Effectiveness Index vs. Electoral Democracy Index

Armenia

0.614

in 2025

Sao Tome and Principe

0.632

in 2025

Armenia rank

67th

Sao Tome and Principe rank

66th

Government Effectiveness Index vs. Electoral Democracy Index over time

Armenia
Sao Tome and Principe

How they compare

Sao Tome and Principe currently reports 0.632 against 0.614 in Armenia, a difference of 0.018.

The two have swapped places 5 times across 108 shared years of data; in 1918 it was Armenia ahead.

Armenia ranks 67th and Sao Tome and Principe ranks 66th of 175 countries.

Across the 12 decades both report, Armenia averaged higher in 8 and Sao Tome and Principe in 4.

Head to head by decade

Decade	Armenia	Sao Tome and Principe	Difference	Ahead
1910s	0.12	0.037	0.083	Armenia
1920s	0.1123	0.0333	0.079	Armenia
1930s	0.1085	0.026	0.0825	Armenia
1940s	0.0959	0.028	0.0679	Armenia
1950s	0.1043	0.0278	0.0765	Armenia
1960s	0.0951	0.028	0.0671	Armenia
1970s	0.1068	0.0966	0.0102	Armenia
1980s	0.1225	0.1673	0.0448	Sao Tome and Principe
1990s	0.5082	0.5801	0.0719	Sao Tome and Principe
2000s	0.3583	0.6409	0.2826	Sao Tome and Principe
2010s	0.4103	0.6565	0.2462	Sao Tome and Principe
2020s	0.6715	0.6458	0.0257	Armenia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher government effectiveness index vs. electoral democracy index, Armenia or Sao Tome and Principe?: Sao Tome and Principe, at 0.632 against 0.614 in Armenia as of 2025.
What is the difference in government effectiveness index vs. electoral democracy index between Armenia and Sao Tome and Principe?: 0.018, with Sao Tome and Principe ahead.
How many years of comparable data are there for Armenia and Sao Tome and Principe?: 108 years are reported by both, from 1918 to 2025.
How do Armenia and Sao Tome and Principe rank globally for government effectiveness index vs. electoral democracy index?: Armenia ranks 67th and Sao Tome and Principe ranks 66th of 175 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Government Effectiveness Index vs. Electoral Democracy Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Armenia vs Sao Tome and Principe: Government Effectiveness Index vs. Electoral Democracy Index. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 03 September 2026, from https://social-development.statizoid.com/compare/government-effectiveness-vs-electoral-democracy-index/armenia/sao-tome-and-principe/

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<a href="https://social-development.statizoid.com/compare/government-effectiveness-vs-electoral-democracy-index/armenia/sao-tome-and-principe/">Armenia vs Sao Tome and Principe: Government Effectiveness Index vs. Electoral Democracy Index</a> — Statizoid

About this data

Indicator: Government Effectiveness Index vs. Electoral Democracy Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 175 places, 29,523 data points, 1789–2025
Last refreshed: 28 August 2026

Central estimate of the extent to which political leaders are elected under comprehensive suffrage in free and fair elections, and freedoms of association and expression are guaranteed.