How many years of comparable data are there for Mauritania and Nigeria?

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 Political Corruption Index vs. Electoral Democracy Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Mauritania vs Nigeria: Political Corruption Index vs. Electoral Democracy Index

Mauritania

0.825

in 2025

Nigeria

0.834

in 2025

Mauritania rank

27th

Nigeria rank

24th

Political Corruption Index vs. Electoral Democracy Index over time

Mauritania
Nigeria

How they compare

Nigeria currently reports 0.834 against 0.825 in Mauritania, a difference of 0.009.

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

Mauritania ranks 27th and Nigeria ranks 24th of 176 countries.

Across the 12 decades both report, Mauritania averaged higher in 1 and Nigeria in 11.

Head to head by decade

Decade	Mauritania	Nigeria	Difference	Ahead
1910s	0.407	0.803	0.396	Nigeria
1920s	0.407	0.7372	0.3302	Nigeria
1930s	0.407	0.709	0.302	Nigeria
1940s	0.4085	0.709	0.3005	Nigeria
1950s	0.4292	0.7189	0.2897	Nigeria
1960s	0.5834	0.8331	0.2497	Nigeria
1970s	0.6205	0.8213	0.2008	Nigeria
1980s	0.786	0.8623	0.0763	Nigeria
1990s	0.8606	0.8485	0.0121	Mauritania
2000s	0.8514	0.9362	0.0848	Nigeria
2010s	0.851	0.9401	0.0891	Nigeria
2020s	0.8448	0.9158	0.071	Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher political corruption index vs. electoral democracy index, Mauritania or Nigeria?: Nigeria, at 0.834 against 0.825 in Mauritania as of 2025.
What is the difference in political corruption index vs. electoral democracy index between Mauritania and Nigeria?: 0.009, with Nigeria ahead.
How many years of comparable data are there for Mauritania and Nigeria?: 112 years are reported by both, from 1914 to 2025.
How do Mauritania and Nigeria rank globally for political corruption index vs. electoral democracy index?: Mauritania ranks 27th and Nigeria ranks 24th of 176 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Political Corruption Index vs. Electoral Democracy Index. 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

Mauritania vs Nigeria: Political Corruption Index vs. Electoral Democracy Index. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 30 August 2026, from https://social-development.statizoid.com/compare/political-corruption-index-vs-electoral-democracy-index/mauritania/nigeria/

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://social-development.statizoid.com/compare/political-corruption-index-vs-electoral-democracy-index/mauritania/nigeria/">Mauritania vs Nigeria: Political Corruption Index vs. Electoral Democracy Index</a> — Statizoid

About this data

Indicator: Political Corruption 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: 176 places, 25,295 data points, 1789–2025
Last refreshed: 28 August 2026

Central estimate of the extent to which a country is affected by political corruption.