How many years of comparable data are there for Costa Rica and Japan?

188 years are reported by both, from 1838 to 2025.

Where does this data come from?

V-Dem (2026) – processed by Our World in Data, published as Equality of Political Power across Social Groups Score. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Costa Rica vs Japan: Equality of Political Power across Social Groups Score

Costa Rica

2.29

in 2025

Japan

2.9

in 2025

Costa Rica rank

7th

Japan rank

4th

Equality of Political Power across Social Groups Score over time

Costa Rica
Japan

How they compare

Japan currently reports 2.9 against 2.29 in Costa Rica, a difference of 0.61.

That makes Japan's figure about 1.3 times Costa Rica's.

The two have swapped places 3 times across 188 shared years of data; in 1838 it was Costa Rica ahead.

Costa Rica ranks 7th and Japan ranks 4th of 176 countries.

Across the 20 decades both report, Costa Rica averaged higher in 9 and Japan in 11.

Head to head by decade

Decade	Costa Rica	Japan	Difference	Ahead
1830s	0.147	-1.06	1.21	Costa Rica
1840s	0.147	-1.06	1.21	Costa Rica
1850s	0.147	-1.06	1.21	Costa Rica
1860s	0.147	-1.06	1.21	Costa Rica
1870s	0.147	1.07	0.922	Japan
1880s	0.147	1.07	0.922	Japan
1890s	0.147	1.07	0.922	Japan
1900s	0.147	1.07	0.922	Japan
1910s	0.147	1.07	0.922	Japan
1920s	0.147	1.07	0.922	Japan
1930s	0.147	0.9826	0.8356	Japan
1940s	0.3743	1.21	0.8375	Japan
1950s	1.36	2.07	0.716	Japan
1960s	1.62	2.07	0.4523	Japan
1970s	2.47	2.07	0.399	Costa Rica
1980s	2.47	2.07	0.399	Costa Rica
1990s	2.28	2.07	0.204	Costa Rica
2000s	2.28	2.07	0.204	Costa Rica
2010s	2.33	2.07	0.2632	Costa Rica
2020s	2.29	2.9	0.614	Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher equality of political power across social groups score, Costa Rica or Japan?: Japan, at 2.9 against 2.29 in Costa Rica as of 2025.
What is the difference in equality of political power across social groups score between Costa Rica and Japan?: 0.61, with Japan ahead.
How many years of comparable data are there for Costa Rica and Japan?: 188 years are reported by both, from 1838 to 2025.
How do Costa Rica and Japan rank globally for equality of political power across social groups score?: Costa Rica ranks 7th and Japan ranks 4th of 176 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Equality of Political Power across Social Groups Score. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Costa Rica vs Japan: Equality of Political Power across Social Groups Score. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 05 September 2026, from https://reference.statizoid.com/compare/equality-of-political-power-across-social-groups-score/costa-rica/japan/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://reference.statizoid.com/compare/equality-of-political-power-across-social-groups-score/costa-rica/japan/">Costa Rica vs Japan: Equality of Political Power across Social Groups Score</a> — Statizoid

About this data

Indicator: Equality of Political Power across Social Groups Score
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 176 places, 30,486 data points, 1789–2025
Last refreshed: 28 August 2026

Central estimate of the extent to which social groups — defined by language, ethnicity, religion, race, region, and/or caste — are irrelevant to politics or have similar political power.