How many years of comparable data are there for Azerbaijan and El Salvador?

188 years are reported by both, from 1838 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.

Azerbaijan vs El Salvador: Centralization of Political Power Index

Azerbaijan

0.972

in 2025

El Salvador

0.969

in 2025

Azerbaijan rank

9th

El Salvador rank

10th

Centralization of Political Power Index over time

Azerbaijan
El Salvador

How they compare

Azerbaijan currently reports 0.972 against 0.969 in El Salvador, a difference of 0.003.

The two have swapped places 4 times across 188 shared years of data; in 1838 it was Azerbaijan ahead.

Azerbaijan ranks 9th and El Salvador ranks 10th of 173 countries.

Across the 20 decades both report, Azerbaijan averaged higher in 18 and El Salvador in 2.

Head to head by decade

Decade	Azerbaijan	El Salvador	Difference	Ahead
1830s	0.93	0.71	0.22	Azerbaijan
1840s	0.93	0.687	0.243	Azerbaijan
1850s	0.9055	0.687	0.2185	Azerbaijan
1860s	0.6121	0.687	0.0749	El Salvador
1870s	0.4524	0.687	0.2346	El Salvador
1880s	0.8534	0.687	0.1664	Azerbaijan
1890s	0.852	0.687	0.165	Azerbaijan
1900s	0.8659	0.729	0.1369	Azerbaijan
1910s	0.8397	0.729	0.1107	Azerbaijan
1920s	0.9696	0.729	0.2406	Azerbaijan
1930s	0.971	0.7962	0.1748	Azerbaijan
1940s	0.971	0.797	0.174	Azerbaijan
1950s	0.9668	0.786	0.1808	Azerbaijan
1960s	0.964	0.786	0.178	Azerbaijan
1970s	0.964	0.7975	0.1665	Azerbaijan
1980s	0.9545	0.7963	0.1582	Azerbaijan
1990s	0.8635	0.5532	0.3103	Azerbaijan
2000s	0.9425	0.4029	0.5396	Azerbaijan
2010s	0.9659	0.297	0.6689	Azerbaijan
2020s	0.97	0.844	0.126	Azerbaijan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Azerbaijan or El Salvador?: Azerbaijan, at 0.972 against 0.969 in El Salvador as of 2025.
What is the difference in centralization of political power index between Azerbaijan and El Salvador?: 0.003, with Azerbaijan ahead.
How many years of comparable data are there for Azerbaijan and El Salvador?: 188 years are reported by both, from 1838 to 2025.
How do Azerbaijan and El Salvador rank globally for centralization of political power index?: Azerbaijan ranks 9th and El Salvador ranks 10th 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.