Which has higher equal access to power index, Costa Rica or Tanzania?

Costa Rica, at 0.9 against 0.89 in Tanzania as of 2025.

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

112 years are reported by both, from 1914 to 2025.

Where does this data come from?

V-Dem (2026) – processed by Our World in Data, published as Equal Access to Power Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Costa Rica vs Tanzania: Equal Access to Power Index

Costa Rica

0.9

in 2025

Tanzania

0.89

in 2025

Costa Rica rank

18th

Tanzania rank

21st

Equal Access to Power Index over time

Costa Rica
Tanzania

How they compare

Costa Rica currently reports 0.9 against 0.89 in Tanzania, a difference of 0.01.

The two have swapped places 2 times across 112 shared years of data; in 1914 it was Costa Rica ahead.

Costa Rica ranks 18th and Tanzania ranks 21st of 176 countries.

Across the 12 decades both report, Costa Rica averaged higher in 9 and Tanzania in 3.

Head to head by decade

Decade	Costa Rica	Tanzania	Difference	Ahead
1910s	0.257	0.037	0.22	Costa Rica
1920s	0.267	0.059	0.208	Costa Rica
1930s	0.267	0.059	0.208	Costa Rica
1940s	0.3025	0.059	0.2435	Costa Rica
1950s	0.6384	0.1106	0.5278	Costa Rica
1960s	0.6708	0.8417	0.1709	Tanzania
1970s	0.771	0.919	0.148	Tanzania
1980s	0.7886	0.8822	0.0936	Tanzania
1990s	0.861	0.8001	0.0609	Costa Rica
2000s	0.873	0.7893	0.0837	Costa Rica
2010s	0.8895	0.8042	0.0853	Costa Rica
2020s	0.8988	0.8507	0.0482	Costa Rica

Averages of every year both report within each decade.

Frequently asked questions

Which has higher equal access to power index, Costa Rica or Tanzania?: Costa Rica, at 0.9 against 0.89 in Tanzania as of 2025.
What is the difference in equal access to power index between Costa Rica and Tanzania?: 0.01, with Costa Rica ahead.
How many years of comparable data are there for Costa Rica and Tanzania?: 112 years are reported by both, from 1914 to 2025.
How do Costa Rica and Tanzania rank globally for equal access to power index?: Costa Rica ranks 18th and Tanzania ranks 21st of 176 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Equal Access to Power Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Equal Access to Power Index
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: 07 August 2026

Central estimate of the extent to which access to power is equal across socioeconomic position, social group, and gender.