How many years of comparable data are there for Kazakhstan and South Sudan?

186 years are reported by both, from 1821 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.

Kazakhstan vs South Sudan: Centralization of Political Power Index

Kazakhstan

0.834

in 2025

South Sudan

0.847

in 2025

Kazakhstan rank

29th

South Sudan rank

26th

Centralization of Political Power Index over time

Kazakhstan
South Sudan

How they compare

South Sudan currently reports 0.847 against 0.834 in Kazakhstan, a difference of 0.013.

The two have swapped places 9 times across 186 shared years of data; in 1821 it was Kazakhstan ahead.

Kazakhstan ranks 29th and South Sudan ranks 26th of 173 countries.

Across the 20 decades both report, Kazakhstan averaged higher in 15 and South Sudan in 5.

Head to head by decade

Decade	Kazakhstan	South Sudan	Difference	Ahead
1820s	0.93	0.8539	0.0761	Kazakhstan
1830s	0.93	0.862	0.068	Kazakhstan
1840s	0.93	0.8156	0.1144	Kazakhstan
1850s	0.9055	0.713	0.1925	Kazakhstan
1860s	0.6387	0.6557	0.017	South Sudan
1870s	0.4171	0.541	0.1239	South Sudan
1880s	0.876	0.342	0.534	Kazakhstan
1900s	0.8659	0.755	0.1109	Kazakhstan
1910s	0.8397	0.755	0.0847	Kazakhstan
1920s	0.9696	0.755	0.2146	Kazakhstan
1930s	0.971	0.755	0.216	Kazakhstan
1940s	0.971	0.7654	0.2056	Kazakhstan
1950s	0.9668	0.6878	0.279	Kazakhstan
1960s	0.964	0.6893	0.2747	Kazakhstan
1970s	0.964	0.7425	0.2215	Kazakhstan
1980s	0.9545	0.7108	0.2437	Kazakhstan
1990s	0.8027	0.966	0.1633	South Sudan
2000s	0.881	0.9141	0.0331	South Sudan
2010s	0.8592	0.8513	0.0079	Kazakhstan
2020s	0.8153	0.8293	0.014	South Sudan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Kazakhstan or South Sudan?: South Sudan, at 0.847 against 0.834 in Kazakhstan as of 2025.
What is the difference in centralization of political power index between Kazakhstan and South Sudan?: 0.013, with South Sudan ahead.
How many years of comparable data are there for Kazakhstan and South Sudan?: 186 years are reported by both, from 1821 to 2025.
How do Kazakhstan and South Sudan rank globally for centralization of political power index?: Kazakhstan ranks 29th and South Sudan ranks 26th 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.