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

209 years are reported by both, from 1817 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.

Bangladesh vs Madagascar: Centralization of Political Power Index

Bangladesh

0.692

in 2025

Madagascar

0.733

in 2025

Bangladesh rank

53rd

Madagascar rank

50th

Centralization of Political Power Index over time

Bangladesh
Madagascar

How they compare

Madagascar currently reports 0.733 against 0.692 in Bangladesh, a difference of 0.041.

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

The two have swapped places 10 times across 209 shared years of data; in 1817 it was Madagascar ahead.

Bangladesh ranks 53rd and Madagascar ranks 50th of 176 countries.

Across the 22 decades both report, Bangladesh averaged higher in 2 and Madagascar in 20.

Head to head by decade

Decade	Bangladesh	Madagascar	Difference	Ahead
1810s	0.527	0.988	0.461	Madagascar
1820s	0.527	0.988	0.461	Madagascar
1830s	0.4948	0.988	0.4932	Madagascar
1840s	0.481	0.988	0.507	Madagascar
1850s	0.481	0.988	0.507	Madagascar
1860s	0.481	0.988	0.507	Madagascar
1870s	0.481	0.988	0.507	Madagascar
1880s	0.481	0.988	0.507	Madagascar
1890s	0.481	0.9459	0.4649	Madagascar
1900s	0.465	0.711	0.246	Madagascar
1910s	0.446	0.711	0.265	Madagascar
1920s	0.446	0.7083	0.2623	Madagascar
1930s	0.343	0.708	0.365	Madagascar
1940s	0.303	0.6939	0.3909	Madagascar
1950s	0.5338	0.623	0.0892	Madagascar
1960s	0.6792	0.6965	0.0173	Madagascar
1970s	0.6467	0.7962	0.1495	Madagascar
1980s	0.66	0.8054	0.1454	Madagascar
1990s	0.5359	0.6054	0.0695	Madagascar
2000s	0.6218	0.6222	0.0004	Madagascar
2010s	0.7905	0.7245	0.066	Bangladesh
2020s	0.8035	0.7228	0.0807	Bangladesh

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Bangladesh or Madagascar?: Madagascar, at 0.733 against 0.692 in Bangladesh as of 2025.
What is the difference in centralization of political power index between Bangladesh and Madagascar?: 0.041, with Madagascar ahead.
How many years of comparable data are there for Bangladesh and Madagascar?: 209 years are reported by both, from 1817 to 2025.
How do Bangladesh and Madagascar rank globally for centralization of political power index?: Bangladesh ranks 53rd and Madagascar ranks 50th of 176 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.

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Bangladesh vs Madagascar: Centralization of Political Power Index. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 22 September 2026, from https://reference.statizoid.com/compare/political-centralization-index/bangladesh/madagascar/

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<a href="https://reference.statizoid.com/compare/political-centralization-index/bangladesh/madagascar/">Bangladesh vs Madagascar: Centralization of Political Power Index</a> — Statizoid

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: 18 September 2026

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