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

126 years are reported by both, from 1900 to 2025.

Where does this data come from?

V-Dem (2026) – processed by Our World in Data, published as Deliberative Political Institutions Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Sri Lanka: Deliberative Political Institutions Index

Bulgaria

0.779

in 2025

Sri Lanka

0.784

in 2025

Bulgaria rank

55th

Sri Lanka rank

53rd

Deliberative Political Institutions Index over time

Bulgaria
Sri Lanka

How they compare

Sri Lanka currently reports 0.784 against 0.779 in Bulgaria, a difference of 0.005.

The two have swapped places 11 times across 126 shared years of data; in 1900 it was Bulgaria ahead.

Bulgaria ranks 55th and Sri Lanka ranks 53rd of 175 countries.

Across the 13 decades both report, Bulgaria averaged higher in 6 and Sri Lanka in 7.

Head to head by decade

Decade	Bulgaria	Sri Lanka	Difference	Ahead
1900s	0.6218	0.531	0.0908	Bulgaria
1910s	0.5746	0.5614	0.0132	Bulgaria
1920s	0.5473	0.569	0.0217	Sri Lanka
1930s	0.5475	0.6114	0.0639	Sri Lanka
1940s	0.3095	0.6184	0.3089	Sri Lanka
1950s	0.064	0.613	0.549	Sri Lanka
1960s	0.061	0.613	0.552	Sri Lanka
1970s	0.0754	0.5095	0.4341	Sri Lanka
1980s	0.079	0.4932	0.4142	Sri Lanka
1990s	0.9091	0.4814	0.4277	Bulgaria
2000s	0.8765	0.4276	0.4489	Bulgaria
2010s	0.796	0.5661	0.2299	Bulgaria
2020s	0.8273	0.5902	0.2372	Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher deliberative political institutions index, Bulgaria or Sri Lanka?: Sri Lanka, at 0.784 against 0.779 in Bulgaria as of 2025.
What is the difference in deliberative political institutions index between Bulgaria and Sri Lanka?: 0.005, with Sri Lanka ahead.
How many years of comparable data are there for Bulgaria and Sri Lanka?: 126 years are reported by both, from 1900 to 2025.
How do Bulgaria and Sri Lanka rank globally for deliberative political institutions index?: Bulgaria ranks 55th and Sri Lanka ranks 53rd of 175 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Deliberative Political Institutions Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Sri Lanka: Deliberative Political Institutions Index. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 29 September 2026, from https://reference.statizoid.com/compare/deliberative-political-institutions-index/bulgaria/sri-lanka/

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About this data

Indicator: Deliberative Political Institutions Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 175 places, 20,802 data points, 1900–2025
Last refreshed: 18 September 2026

Central estimate of the extent to which political elites justify their positions, justify them with the common good, acknowledge counterarguments, consult elites in policy changes, and society deliberates policy changes.