Which has higher centralization of political power index, Tanzania or Zambia?

Zambia, at 0.242 against 0.24 in Tanzania as of 2025.

How many years of comparable data are there for Tanzania and Zambia?

112 years are reported by both, from 1914 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.

Tanzania vs Zambia: Centralization of Political Power Index

Tanzania

0.24

in 2025

Zambia

0.242

in 2025

Tanzania rank

105th

Zambia rank

104th

Centralization of Political Power Index over time

Tanzania
Zambia

How they compare

Zambia currently reports 0.242 against 0.24 in Tanzania, a difference of 0.002.

The two have swapped places 6 times across 112 shared years of data; in 1914 it was Zambia ahead.

Tanzania ranks 105th and Zambia ranks 104th of 176 countries.

Across the 12 decades both report, Tanzania averaged higher in 5 and Zambia in 7.

Head to head by decade

Decade	Tanzania	Zambia	Difference	Ahead
1910s	0.638	0.71	0.072	Zambia
1920s	0.6208	0.6158	0.005	Tanzania
1930s	0.573	0.49	0.083	Tanzania
1940s	0.573	0.49	0.083	Tanzania
1950s	0.5702	0.5348	0.0354	Tanzania
1960s	0.2542	0.5138	0.2596	Zambia
1970s	0.215	0.5092	0.2942	Zambia
1980s	0.2193	0.52	0.3007	Zambia
1990s	0.205	0.3025	0.0975	Zambia
2000s	0.189	0.1871	0.0019	Tanzania
2010s	0.1934	0.2295	0.0361	Zambia
2020s	0.1897	0.2237	0.034	Zambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Tanzania or Zambia?: Zambia, at 0.242 against 0.24 in Tanzania as of 2025.
What is the difference in centralization of political power index between Tanzania and Zambia?: 0.002, with Zambia ahead.
How many years of comparable data are there for Tanzania and Zambia?: 112 years are reported by both, from 1914 to 2025.
How do Tanzania and Zambia rank globally for centralization of political power index?: Tanzania ranks 105th and Zambia ranks 104th 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.

Individual pages

Share, cite or embed this page

Cite this page

Tanzania vs Zambia: 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/tanzania/zambia/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://reference.statizoid.com/compare/political-centralization-index/tanzania/zambia/">Tanzania vs Zambia: 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.