How many years of comparable data are there for Guinea-Bissau 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.

Guinea-Bissau vs Nigeria: Political Corruption Index vs. Electoral Democracy Index

Guinea-Bissau

0.828

in 2025

Nigeria

0.834

in 2025

Guinea-Bissau rank

26th

Nigeria rank

24th

Political Corruption Index vs. Electoral Democracy Index over time

Guinea-Bissau
Nigeria

How they compare

Nigeria currently reports 0.834 against 0.828 in Guinea-Bissau, a difference of 0.006.

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

Guinea-Bissau ranks 26th and Nigeria ranks 24th of 176 countries.

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

Head to head by decade

Decade	Guinea-Bissau	Nigeria	Difference	Ahead
1910s	0.203	0.803	0.6	Nigeria
1920s	0.202	0.7372	0.5352	Nigeria
1930s	0.1853	0.709	0.5237	Nigeria
1940s	0.182	0.709	0.527	Nigeria
1950s	0.182	0.7189	0.5369	Nigeria
1960s	0.182	0.8331	0.6511	Nigeria
1970s	0.4276	0.8213	0.3937	Nigeria
1980s	0.6552	0.8623	0.2071	Nigeria
1990s	0.7743	0.8485	0.0742	Nigeria
2000s	0.8694	0.9362	0.0668	Nigeria
2010s	0.8537	0.9401	0.0864	Nigeria
2020s	0.8108	0.9158	0.105	Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher political corruption index vs. electoral democracy index, Guinea-Bissau or Nigeria?: Nigeria, at 0.834 against 0.828 in Guinea-Bissau as of 2025.
What is the difference in political corruption index vs. electoral democracy index between Guinea-Bissau and Nigeria?: 0.006, with Nigeria ahead.
How many years of comparable data are there for Guinea-Bissau and Nigeria?: 112 years are reported by both, from 1914 to 2025.
How do Guinea-Bissau and Nigeria rank globally for political corruption index vs. electoral democracy index?: Guinea-Bissau ranks 26th 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.

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Guinea-Bissau vs Nigeria: Political Corruption Index vs. Electoral Democracy Index. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 01 September 2026, from https://social-development.statizoid.com/compare/political-corruption-index-vs-electoral-democracy-index/guinea-bissau/nigeria/

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<a href="https://social-development.statizoid.com/compare/political-corruption-index-vs-electoral-democracy-index/guinea-bissau/nigeria/">Guinea-Bissau 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.