How many years of comparable data are there for Taiwan and United States?

232 years are reported by both, from 1789 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.

Taiwan vs United States: Centralization of Political Power Index

Taiwan

0.153

in 2025

United States

0.153

in 2025

Taiwan rank

127th

United States rank

127th

Centralization of Political Power Index over time

Taiwan
United States

How they compare

Taiwan currently reports 0.153 against 0.153 in United States, a difference of 0.

The two have swapped places 1 time across 232 shared years of data; in 1789 it was Taiwan ahead.

Taiwan ranks 127th and United States ranks 127th of 173 countries.

Taiwan has averaged higher in every one of the 25 decades both report.

Head to head by decade

Decade	Taiwan	United States	Difference	Ahead
1780s	0.962	0.166	0.796	Taiwan
1790s	0.962	0.1794	0.7826	Taiwan
1800s	0.962	0.168	0.794	Taiwan
1810s	0.962	0.168	0.794	Taiwan
1820s	0.962	0.1666	0.7954	Taiwan
1830s	0.962	0.161	0.801	Taiwan
1840s	0.962	0.161	0.801	Taiwan
1850s	0.962	0.161	0.801	Taiwan
1860s	0.962	0.1768	0.7852	Taiwan
1870s	0.962	0.123	0.839	Taiwan
1880s	0.962	0.123	0.839	Taiwan
1890s	0.962	0.123	0.839	Taiwan
1900s	0.851	0.092	0.759	Taiwan
1910s	0.851	0.0926	0.7584	Taiwan
1920s	0.851	0.1088	0.7422	Taiwan
1930s	0.8532	0.099	0.7542	Taiwan
1940s	0.8982	0.0959	0.8023	Taiwan
1950s	0.89	0.0937	0.7963	Taiwan
1960s	0.88	0.1082	0.7718	Taiwan
1970s	0.8521	0.058	0.7941	Taiwan
1980s	0.7492	0.0516	0.6976	Taiwan
1990s	0.3978	0.0495	0.3483	Taiwan
2000s	0.1422	0.0436	0.0986	Taiwan
2010s	0.1536	0.0449	0.1087	Taiwan
2020s	0.124	0.0808	0.0432	Taiwan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Taiwan or United States?: Taiwan, at 0.153 against 0.153 in United States as of 2025.
What is the difference in centralization of political power index between Taiwan and United States?: 0, with Taiwan ahead.
How many years of comparable data are there for Taiwan and United States?: 232 years are reported by both, from 1789 to 2025.
How do Taiwan and United States rank globally for centralization of political power index?: Taiwan ranks 127th and United States ranks 127th 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.