How many years of comparable data are there for Bulgaria and Thailand?

148 years are reported by both, from 1878 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.

Bulgaria vs Thailand: Political Corruption Index vs. Electoral Democracy Index

Bulgaria

0.643

in 2025

Thailand

0.635

in 2025

Bulgaria rank

65th

Thailand rank

68th

Political Corruption Index vs. Electoral Democracy Index over time

Bulgaria
Thailand

How they compare

Bulgaria currently reports 0.643 against 0.635 in Thailand, a difference of 0.008.

The two have swapped places 1 time across 148 shared years of data; in 1878 it was Thailand ahead.

Bulgaria ranks 65th and Thailand ranks 68th of 176 countries.

Thailand has averaged higher in every one of the 16 decades both report.

Head to head by decade

Decade	Bulgaria	Thailand	Difference	Ahead
1870s	0.262	0.732	0.47	Thailand
1880s	0.373	0.732	0.359	Thailand
1890s	0.373	0.732	0.359	Thailand
1900s	0.373	0.732	0.359	Thailand
1910s	0.3747	0.732	0.3573	Thailand
1920s	0.3429	0.732	0.3891	Thailand
1930s	0.31	0.7744	0.4644	Thailand
1940s	0.3464	0.79	0.4436	Thailand
1950s	0.333	0.7838	0.4508	Thailand
1960s	0.333	0.728	0.395	Thailand
1970s	0.333	0.79	0.457	Thailand
1980s	0.3392	0.7776	0.4384	Thailand
1990s	0.3503	0.7365	0.3862	Thailand
2000s	0.3808	0.6609	0.2801	Thailand
2010s	0.5032	0.6752	0.172	Thailand
2020s	0.494	0.6567	0.1627	Thailand

Averages of every year both report within each decade.

Frequently asked questions

Which has higher political corruption index vs. electoral democracy index, Bulgaria or Thailand?: Bulgaria, at 0.643 against 0.635 in Thailand as of 2025.
What is the difference in political corruption index vs. electoral democracy index between Bulgaria and Thailand?: 0.008, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Thailand?: 148 years are reported by both, from 1878 to 2025.
How do Bulgaria and Thailand rank globally for political corruption index vs. electoral democracy index?: Bulgaria ranks 65th and Thailand ranks 68th 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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Bulgaria vs Thailand: 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/bulgaria/thailand/

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<a href="https://social-development.statizoid.com/compare/political-corruption-index-vs-electoral-democracy-index/bulgaria/thailand/">Bulgaria vs Thailand: 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.