How many years of comparable data are there for Qatar 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 Political Corruption Index vs. Electoral Democracy Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Qatar vs Tanzania: Political Corruption Index vs. Electoral Democracy Index

Qatar

0.331

in 2025

Tanzania

0.329

in 2025

Qatar rank

111th

Tanzania rank

112th

Political Corruption Index vs. Electoral Democracy Index over time

Qatar
Tanzania

How they compare

Qatar currently reports 0.331 against 0.329 in Tanzania, a difference of 0.002.

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

Qatar ranks 111th and Tanzania ranks 112th of 176 countries.

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

Head to head by decade

Decade	Qatar	Tanzania	Difference	Ahead
1910s	0.764	0.643	0.121	Qatar
1920s	0.764	0.5961	0.1679	Qatar
1930s	0.764	0.487	0.277	Qatar
1940s	0.764	0.487	0.277	Qatar
1950s	0.764	0.487	0.277	Qatar
1960s	0.7469	0.2425	0.5044	Qatar
1970s	0.5051	0.174	0.3311	Qatar
1980s	0.481	0.2572	0.2238	Qatar
1990s	0.4298	0.4348	0.005	Tanzania
2000s	0.406	0.465	0.059	Tanzania
2010s	0.4005	0.4026	0.0021	Tanzania
2020s	0.37	0.3017	0.0683	Qatar

Averages of every year both report within each decade.

Frequently asked questions

Which has higher political corruption index vs. electoral democracy index, Qatar or Tanzania?: Qatar, at 0.331 against 0.329 in Tanzania as of 2025.
What is the difference in political corruption index vs. electoral democracy index between Qatar and Tanzania?: 0.002, with Qatar ahead.
How many years of comparable data are there for Qatar and Tanzania?: 112 years are reported by both, from 1914 to 2025.
How do Qatar and Tanzania rank globally for political corruption index vs. electoral democracy index?: Qatar ranks 111th and Tanzania ranks 112th 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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Qatar vs Tanzania: Political Corruption Index vs. Electoral Democracy Index. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 28 August 2026, from https://social-development.statizoid.com/compare/political-corruption-index-vs-electoral-democracy-index/qatar/tanzania/

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<a href="https://social-development.statizoid.com/compare/political-corruption-index-vs-electoral-democracy-index/qatar/tanzania/">Qatar vs Tanzania: 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.