What is the difference in centralization of political power index between Poland and Solomon Islands?

0.007, with Solomon Islands ahead.

How many years of comparable data are there for Poland and Solomon Islands?

103 years are reported by both, from 1918 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.

Poland vs Solomon Islands: Centralization of Political Power Index

Poland

0.19

in 2025

Solomon Islands

0.197

in 2025

Poland rank

117th

Solomon Islands rank

115th

Centralization of Political Power Index over time

Poland
Solomon Islands

How they compare

Solomon Islands currently reports 0.197 against 0.19 in Poland, a difference of 0.007.

The two have swapped places 4 times across 103 shared years of data; in 1918 it was Solomon Islands ahead.

Poland ranks 117th and Solomon Islands ranks 115th of 176 countries.

Across the 12 decades both report, Poland averaged higher in 4 and Solomon Islands in 8.

Head to head by decade

Decade	Poland	Solomon Islands	Difference	Ahead
1910s	0.211	0.692	0.481	Solomon Islands
1920s	0.2004	0.692	0.4916	Solomon Islands
1930s	0.3946	0.692	0.2974	Solomon Islands
1940s	0.6555	0.692	0.0365	Solomon Islands
1950s	0.628	0.657	0.029	Solomon Islands
1960s	0.5989	0.464	0.1349	Poland
1970s	0.599	0.3391	0.2599	Poland
1980s	0.5334	0.239	0.2944	Poland
1990s	0.0325	0.239	0.2065	Solomon Islands
2000s	0.0328	0.248	0.2152	Solomon Islands
2010s	0.1271	0.2223	0.0952	Solomon Islands
2020s	0.3028	0.2022	0.1007	Poland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher centralization of political power index, Poland or Solomon Islands?: Solomon Islands, at 0.197 against 0.19 in Poland as of 2025.
What is the difference in centralization of political power index between Poland and Solomon Islands?: 0.007, with Solomon Islands ahead.
How many years of comparable data are there for Poland and Solomon Islands?: 103 years are reported by both, from 1918 to 2025.
How do Poland and Solomon Islands rank globally for centralization of political power index?: Poland ranks 117th and Solomon Islands ranks 115th 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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Poland vs Solomon Islands: Centralization of Political Power Index. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/compare/political-centralization-index/poland/solomon-islands/

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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.