What is the highest political centralization index recorded in Solomon Islands?

The highest recorded value was 0.692 in 1900.

What is the lowest political centralization index recorded in Solomon Islands?

The lowest recorded value was 0.192 in 2024.

How does Solomon Islands rank for political centralization index?

Solomon Islands ranks 115th out of 176 countries with data for 2025.

Is political centralization index rising or falling in Solomon Islands?

Over the last ten years it is down 10.5%. The long-run trend across the full record is falling.

Where does this Solomon Islands data come from?

The figures come from Our World in Data, published as part of Political centralization index. Statizoid updates them automatically from the source API.

Political centralization index in Solomon Islands

Name: Political centralization index in Solomon Islands
Creator: Our World in Data
License: CC BY 4.0 (Our World in Data)

Solomon Islands: Political centralization index was 0.197 in 2025. ▼ Falling

Latest (2025)

0.197

Change on year

up 2.6%

World rank

115th

of 176 countries

All-time high

0.692

in 1900

All-time low

0.192

in 2024

Years of data

126

1900–2025

Political centralization index in Solomon Islands, 1900–2025

Source: Our World in Data.

Analysis

In 2025, political centralization index in Solomon Islands stood at 0.197.

The figure is up 2.6% on the previous year and down 10.5% over ten years.

Over the whole period, political centralization index in Solomon Islands peaked at 0.692 in 1900 and was at its lowest, 0.192, in 2024.

That places Solomon Islands 115th out of 176 countries with data for 2025, putting it in the middle of the range.

The long-run direction has been consistently falling across the 126 years of available data.

Political centralization index in Solomon Islands, year by year

Annual values for Political centralization index in Solomon Islands, 1900 to 2025.
Year	Value	Change
1900	0.692	—
1901	0.692	+0.0%
1902	0.692	+0.0%
1903	0.692	+0.0%
1904	0.692	+0.0%
1905	0.692	+0.0%
1906	0.692	+0.0%
1907	0.692	+0.0%
1908	0.692	+0.0%
1909	0.692	+0.0%
1910	0.692	+0.0%
1911	0.692	+0.0%
1912	0.692	+0.0%
1913	0.692	+0.0%
1914	0.692	+0.0%
1915	0.692	+0.0%
1916	0.692	+0.0%
1917	0.692	+0.0%
1918	0.692	+0.0%
1919	0.692	+0.0%
1920	0.692	+0.0%
1921	0.692	+0.0%
1922	0.692	+0.0%
1923	0.692	+0.0%
1924	0.692	+0.0%
1925	0.692	+0.0%
1926	0.692	+0.0%
1927	0.692	+0.0%
1928	0.692	+0.0%
1929	0.692	+0.0%
1930	0.692	+0.0%
1931	0.692	+0.0%
1932	0.692	+0.0%
1933	0.692	+0.0%
1934	0.692	+0.0%
1935	0.692	+0.0%
1936	0.692	+0.0%
1937	0.692	+0.0%
1938	0.692	+0.0%
1939	0.692	+0.0%
1940	0.692	+0.0%
1941	0.692	+0.0%
1942	0.692	+0.0%
1943	0.692	+0.0%
1944	0.692	+0.0%
1945	0.692	+0.0%
1946	0.692	+0.0%
1947	0.692	+0.0%
1948	0.692	+0.0%
1949	0.692	+0.0%
1950	0.657	-5.1%
1951	0.657	+0.0%
1952	0.657	+0.0%
1953	0.657	+0.0%
1954	0.657	+0.0%
1955	0.657	+0.0%
1956	0.657	+0.0%
1957	0.657	+0.0%
1958	0.657	+0.0%
1959	0.657	+0.0%
1960	0.509	-22.5%
1961	0.509	+0.0%
1962	0.509	+0.0%
1963	0.509	+0.0%
1964	0.434	-14.7%
1965	0.434	+0.0%
1966	0.434	+0.0%
1967	0.434	+0.0%
1968	0.434	+0.0%
1969	0.434	+0.0%
1970	0.357	-17.7%
1971	0.357	+0.0%
1972	0.357	+0.0%
1973	0.357	+0.0%
1974	0.361	+1.1%
1975	0.361	+0.0%
1976	0.38	+5.3%
1977	0.38	+0.0%
1978	0.242	-36.3%
1979	0.239	-1.2%
1980	0.239	+0.0%
1981	0.239	+0.0%
1982	0.239	+0.0%
1983	0.239	+0.0%
1984	0.239	+0.0%
1985	0.239	+0.0%
1986	0.239	+0.0%
1987	0.239	+0.0%
1988	0.239	+0.0%
1989	0.239	+0.0%
1990	0.239	+0.0%
1991	0.239	+0.0%
1992	0.239	+0.0%
1993	0.239	+0.0%
1994	0.239	+0.0%
1995	0.239	+0.0%
1996	0.239	+0.0%
1997	0.239	+0.0%
1998	0.239	+0.0%
1999	0.239	+0.0%
2000	0.253	+5.9%
2001	0.349	+37.9%
2002	0.233	-33.2%
2003	0.233	+0.0%
2004	0.233	+0.0%
2005	0.219	-6.0%
2006	0.318	+45.2%
2007	0.214	-32.7%
2008	0.214	+0.0%
2009	0.214	+0.0%
2010	0.227	+6.1%
2011	0.227	+0.0%
2012	0.229	+0.9%
2013	0.22	-3.9%
2014	0.224	+1.8%
2015	0.22	-1.8%
2016	0.228	+3.6%
2017	0.214	-6.1%
2018	0.214	+0.0%
2019	0.22	+2.8%
2020	0.22	+0.0%
2021	0.21	-4.5%
2022	0.198	-5.7%
2023	0.196	-1.0%
2024	0.192	-2.0%
2025	0.197	+2.6%

Solomon Islands compared with similar countries

Solomon Islands's 0.197 is below the median for lower middle income countries, which is 0.5475, 36% of the median. (46 countries reporting)
Solomon Islands's 0.197 is below the median for East Asia & Pacific, which is 0.267, 74% of the median. (22 countries reporting)

Averages by decade

Decade	Average	Lowest	Highest	Years
1900s	0.692	0.692	0.692	10
1910s	0.692	0.692	0.692	10
1920s	0.692	0.692	0.692	10
1930s	0.692	0.692	0.692	10
1940s	0.692	0.692	0.692	10
1950s	0.657	0.657	0.657	10
1960s	0.464	0.434	0.509	10
1970s	0.3391	0.239	0.38	10
1980s	0.239	0.239	0.239	10
1990s	0.239	0.239	0.239	10
2000s	0.248	0.214	0.349	10
2010s	0.2223	0.214	0.229	10
2020s	0.2022	0.192	0.22	6

Countries ranked near Solomon Islands

112 Nepal 0.203 compare
113 Greece 0.202 compare
114 Singapore 0.198 compare
116 Malawi 0.193 compare
117 Poland 0.19 compare
118 Namibia 0.184 compare

See the full ranking of 176 places →

More reference data data for Solomon Islands

Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0077 (2050)
Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0075 (2050)
Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.0154 (2050)
Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0002 (2050)
Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.0154 (2050)
Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0259 (2050)
Emission Totals - Emissions (N2O) - Manure Management 0.02 (2050)
Emission Totals - Emissions (N2O) - Manure left on Pasture 0.0427 (2050)
Emission Totals - Emissions (N2O) - IPCC Agriculture 0.0894 (2050)
Emission Totals - Emissions (N2O) - Crop Residues 0.0009 (2050)

All data for Solomon Islands →

Frequently asked questions

What is political centralization index in Solomon Islands?: Political centralization index in Solomon Islands was 0.197 in 2025, according to Our World in Data.
What is the highest political centralization index recorded in Solomon Islands?: The highest recorded value was 0.692 in 1900.
What is the lowest political centralization index recorded in Solomon Islands?: The lowest recorded value was 0.192 in 2024.
How does Solomon Islands rank for political centralization index?: Solomon Islands ranks 115th out of 176 countries with data for 2025.
Is political centralization index rising or falling in Solomon Islands?: Over the last ten years it is down 10.5%. The long-run trend across the full record is falling.
Where does this Solomon Islands data come from?: The figures come from Our World in Data, published as part of Political centralization index. Statizoid updates them automatically from the source API.

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Political centralization index in Solomon Islands. Statizoid, drawing on Our World in Data. Retrieved 14 November 2026, from https://reference.statizoid.com/stat/political-centralization-index/solomon-islands/

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About this data

Indicator: Political centralization index
Source: Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 176 places, 29,802 data points, 1789–2025
Last refreshed: 30 October 2026