Which has higher centralization of political power index, Brazil or Ireland?

Ireland, at 0.039 against 0.034 in Brazil as of 2025.

How many years of comparable data are there for Brazil and Ireland?

237 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.

Brazil vs Ireland: Centralization of Political Power Index

Brazil

0.034

in 2025

Ireland

0.039

in 2025

Brazil rank

165th

Ireland rank

162nd

Centralization of Political Power Index over time

Brazil
Ireland

How they compare

Ireland currently reports 0.039 against 0.034 in Brazil, a difference of 0.005.

That makes Ireland's figure about 1.1 times Brazil's.

The two have swapped places 1 time across 237 shared years of data; in 1789 it was Brazil ahead.

Brazil ranks 165th and Ireland ranks 162nd of 176 countries.

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

Head to head by decade

Decade	Brazil	Ireland	Difference	Ahead
1780s	0.618	0.163	0.455	Brazil
1790s	0.618	0.1625	0.4555	Brazil
1800s	0.618	0.1661	0.4519	Brazil
1810s	0.618	0.1647	0.4533	Brazil
1820s	0.5783	0.1617	0.4166	Brazil
1830s	0.545	0.1451	0.3999	Brazil
1840s	0.545	0.1295	0.4155	Brazil
1850s	0.545	0.1316	0.4134	Brazil
1860s	0.545	0.1302	0.4148	Brazil
1870s	0.545	0.1266	0.4184	Brazil
1880s	0.545	0.1308	0.4142	Brazil
1890s	0.6036	0.1291	0.4745	Brazil
1900s	0.587	0.137	0.45	Brazil
1910s	0.5858	0.1494	0.4364	Brazil
1920s	0.583	0.1031	0.4799	Brazil
1930s	0.734	0.071	0.663	Brazil
1940s	0.63	0.0726	0.5574	Brazil
1950s	0.3818	0.0522	0.3296	Brazil
1960s	0.5542	0.0505	0.5037	Brazil
1970s	0.7315	0.0452	0.6863	Brazil
1980s	0.4716	0.0554	0.4162	Brazil
1990s	0.1383	0.0515	0.0868	Brazil
2000s	0.0966	0.048	0.0486	Brazil
2010s	0.0859	0.0475	0.0384	Brazil
2020s	0.089	0.0402	0.0488	Brazil

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Brazil or Ireland?: Ireland, at 0.039 against 0.034 in Brazil as of 2025.
What is the difference in centralization of political power index between Brazil and Ireland?: 0.005, with Ireland ahead.
How many years of comparable data are there for Brazil and Ireland?: 237 years are reported by both, from 1789 to 2025.
How do Brazil and Ireland rank globally for centralization of political power index?: Brazil ranks 165th and Ireland ranks 162nd 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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Brazil vs Ireland: 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/brazil/ireland/

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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.