How many years of comparable data are there for Armenia and Bangladesh?

108 years are reported by both, from 1918 to 2025.

Where does this data come from?

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

Armenia vs Bangladesh: Centralization of Political Power Index

Armenia

0.655

in 2025

Bangladesh

0.692

in 2025

Armenia rank

56th

Bangladesh rank

53rd

Centralization of Political Power Index over time

Armenia
Bangladesh

How they compare

Bangladesh currently reports 0.692 against 0.655 in Armenia, a difference of 0.037.

That makes Bangladesh's figure about 1.1 times Armenia's.

The two have swapped places 3 times across 108 shared years of data; in 1918 it was Armenia ahead.

Armenia ranks 56th and Bangladesh ranks 53rd of 173 countries.

Across the 12 decades both report, Armenia averaged higher in 10 and Bangladesh in 2.

Head to head by decade

Decade	Armenia	Bangladesh	Difference	Ahead
1910s	0.9725	0.446	0.5265	Armenia
1920s	0.9696	0.446	0.5236	Armenia
1930s	0.971	0.343	0.628	Armenia
1940s	0.971	0.303	0.668	Armenia
1950s	0.9668	0.5338	0.433	Armenia
1960s	0.964	0.6792	0.2848	Armenia
1970s	0.964	0.6467	0.3173	Armenia
1980s	0.9545	0.66	0.2945	Armenia
1990s	0.6547	0.5359	0.1188	Armenia
2000s	0.7515	0.6218	0.1297	Armenia
2010s	0.6391	0.7905	0.1514	Bangladesh
2020s	0.4585	0.8035	0.345	Bangladesh

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Armenia or Bangladesh?: Bangladesh, at 0.692 against 0.655 in Armenia as of 2025.
What is the difference in centralization of political power index between Armenia and Bangladesh?: 0.037, with Bangladesh ahead.
How many years of comparable data are there for Armenia and Bangladesh?: 108 years are reported by both, from 1918 to 2025.
How do Armenia and Bangladesh rank globally for centralization of political power index?: Armenia ranks 56th and Bangladesh ranks 53rd of 173 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Centralization of Political Power Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Centralization of Political Power Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 176 places, 29,802 data points, 1789–2025
Last refreshed: 07 August 2026

Central estimate of the extent to which the executive is unconstrained by the legislature, judiciary, electoral management body, and other oversight.