Which has higher public sector corruption index, Mauritania or Nigeria?

Nigeria, at 0.91 against 0.901 in Mauritania as of 2025.

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 Public Sector Corruption Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Mauritania vs Nigeria: Public Sector Corruption Index

Mauritania

0.901

in 2025

Nigeria

0.91

in 2025

Mauritania rank

10th

Nigeria rank

7th

Public Sector Corruption Index over time

Mauritania
Nigeria

How they compare

Nigeria currently reports 0.91 against 0.901 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 10th and Nigeria ranks 7th of 176 countries.

Nigeria has averaged higher in every one of the 12 decades both report.

Head to head by decade

Decade	Mauritania	Nigeria	Difference	Ahead
1910s	0.669	0.867	0.198	Nigeria
1920s	0.669	0.867	0.198	Nigeria
1930s	0.669	0.867	0.198	Nigeria
1940s	0.669	0.867	0.198	Nigeria
1950s	0.669	0.8668	0.1978	Nigeria
1960s	0.6969	0.8703	0.1734	Nigeria
1970s	0.7094	0.8824	0.173	Nigeria
1980s	0.844	0.9168	0.0728	Nigeria
1990s	0.922	0.9319	0.0099	Nigeria
2000s	0.8874	0.949	0.0616	Nigeria
2010s	0.8611	0.9223	0.0612	Nigeria
2020s	0.8745	0.9052	0.0307	Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher public sector corruption index, Mauritania or Nigeria?: Nigeria, at 0.91 against 0.901 in Mauritania as of 2025.
What is the difference in public sector corruption 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 public sector corruption index?: Mauritania ranks 10th and Nigeria ranks 7th of 176 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Public Sector Corruption Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Public Sector Corruption Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 176 places, 25,541 data points, 1789–2025
Last refreshed: 07 August 2026

Data by V-Dem. Expert estimates of the extent to which public sector employees engage in bribery and theft. The index ranges from 0 to 1 (highly corrupt).