Political centralization index in Sierra Leone
Sierra Leone: Political centralization index was 0.366 in 2025. ▼ Falling
Latest (2025)
0.366
Change on year
up 5.2%
World rank
83rd
of 176 countries
All-time high
0.91
in 1993
All-time low
0.304
in 2021
Years of data
126
1900–2025
Political centralization index in Sierra Leone, 1900–2025
Source: Our World in Data.
Analysis
In 2025, political centralization index in Sierra Leone stood at 0.366.
The figure is up 5.2% on the previous year and down 28.7% over ten years.
Over the whole period, political centralization index in Sierra Leone peaked at 0.91 in 1993 and was at its lowest, 0.304, in 2021.
Sierra Leone ranks 83rd of 176 countries on this measure, 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 Sierra Leone, year by year
| Year | Value | Change |
|---|---|---|
| 1900 | 0.786 | — |
| 1901 | 0.786 | +0.0% |
| 1902 | 0.786 | +0.0% |
| 1903 | 0.786 | +0.0% |
| 1904 | 0.786 | +0.0% |
| 1905 | 0.786 | +0.0% |
| 1906 | 0.786 | +0.0% |
| 1907 | 0.786 | +0.0% |
| 1908 | 0.786 | +0.0% |
| 1909 | 0.786 | +0.0% |
| 1910 | 0.786 | +0.0% |
| 1911 | 0.786 | +0.0% |
| 1912 | 0.786 | +0.0% |
| 1913 | 0.786 | +0.0% |
| 1914 | 0.786 | +0.0% |
| 1915 | 0.786 | +0.0% |
| 1916 | 0.786 | +0.0% |
| 1917 | 0.786 | +0.0% |
| 1918 | 0.786 | +0.0% |
| 1919 | 0.786 | +0.0% |
| 1920 | 0.786 | +0.0% |
| 1921 | 0.786 | +0.0% |
| 1922 | 0.786 | +0.0% |
| 1923 | 0.786 | +0.0% |
| 1924 | 0.702 | -10.7% |
| 1925 | 0.724 | +3.1% |
| 1926 | 0.724 | +0.0% |
| 1927 | 0.724 | +0.0% |
| 1928 | 0.724 | +0.0% |
| 1929 | 0.724 | +0.0% |
| 1930 | 0.724 | +0.0% |
| 1931 | 0.724 | +0.0% |
| 1932 | 0.724 | +0.0% |
| 1933 | 0.724 | +0.0% |
| 1934 | 0.724 | +0.0% |
| 1935 | 0.724 | +0.0% |
| 1936 | 0.724 | +0.0% |
| 1937 | 0.724 | +0.0% |
| 1938 | 0.724 | +0.0% |
| 1939 | 0.724 | +0.0% |
| 1940 | 0.724 | +0.0% |
| 1941 | 0.724 | +0.0% |
| 1942 | 0.724 | +0.0% |
| 1943 | 0.724 | +0.0% |
| 1944 | 0.724 | +0.0% |
| 1945 | 0.724 | +0.0% |
| 1946 | 0.724 | +0.0% |
| 1947 | 0.724 | +0.0% |
| 1948 | 0.724 | +0.0% |
| 1949 | 0.724 | +0.0% |
| 1950 | 0.726 | +0.3% |
| 1951 | 0.686 | -5.5% |
| 1952 | 0.686 | +0.0% |
| 1953 | 0.686 | +0.0% |
| 1954 | 0.686 | +0.0% |
| 1955 | 0.686 | +0.0% |
| 1956 | 0.686 | +0.0% |
| 1957 | 0.682 | -0.6% |
| 1958 | 0.693 | +1.6% |
| 1959 | 0.693 | +0.0% |
| 1960 | 0.69 | -0.4% |
| 1961 | 0.66 | -4.3% |
| 1962 | 0.629 | -4.7% |
| 1963 | 0.629 | +0.0% |
| 1964 | 0.611 | -2.9% |
| 1965 | 0.611 | +0.0% |
| 1966 | 0.627 | +2.6% |
| 1967 | 0.655 | +4.5% |
| 1968 | 0.797 | +21.7% |
| 1969 | 0.784 | -1.6% |
| 1970 | 0.784 | +0.0% |
| 1971 | 0.827 | +5.5% |
| 1972 | 0.762 | -7.9% |
| 1973 | 0.762 | +0.0% |
| 1974 | 0.762 | +0.0% |
| 1975 | 0.762 | +0.0% |
| 1976 | 0.762 | +0.0% |
| 1977 | 0.762 | +0.0% |
| 1978 | 0.766 | +0.5% |
| 1979 | 0.766 | +0.0% |
| 1980 | 0.766 | +0.0% |
| 1981 | 0.766 | +0.0% |
| 1982 | 0.766 | +0.0% |
| 1983 | 0.766 | +0.0% |
| 1984 | 0.766 | +0.0% |
| 1985 | 0.766 | +0.0% |
| 1986 | 0.764 | -0.3% |
| 1987 | 0.764 | +0.0% |
| 1988 | 0.764 | +0.0% |
| 1989 | 0.764 | +0.0% |
| 1990 | 0.76 | -0.5% |
| 1991 | 0.857 | +12.8% |
| 1992 | 0.865 | +0.9% |
| 1993 | 0.91 | +5.2% |
| 1994 | 0.91 | +0.0% |
| 1995 | 0.91 | +0.0% |
| 1996 | 0.622 | -31.6% |
| 1997 | 0.697 | +12.1% |
| 1998 | 0.694 | -0.4% |
| 1999 | 0.694 | +0.0% |
| 2000 | 0.663 | -4.5% |
| 2001 | 0.663 | +0.0% |
| 2002 | 0.518 | -21.9% |
| 2003 | 0.409 | -21.0% |
| 2004 | 0.409 | +0.0% |
| 2005 | 0.44 | +7.6% |
| 2006 | 0.44 | +0.0% |
| 2007 | 0.447 | +1.6% |
| 2008 | 0.5 | +11.9% |
| 2009 | 0.5 | +0.0% |
| 2010 | 0.502 | +0.4% |
| 2011 | 0.502 | +0.0% |
| 2012 | 0.488 | -2.8% |
| 2013 | 0.513 | +5.1% |
| 2014 | 0.513 | +0.0% |
| 2015 | 0.513 | +0.0% |
| 2016 | 0.53 | +3.3% |
| 2017 | 0.482 | -9.1% |
| 2018 | 0.442 | -8.3% |
| 2019 | 0.406 | -8.1% |
| 2020 | 0.306 | -24.6% |
| 2021 | 0.304 | -0.7% |
| 2022 | 0.342 | +12.5% |
| 2023 | 0.348 | +1.8% |
| 2024 | 0.348 | +0.0% |
| 2025 | 0.366 | +5.2% |
Sierra Leone compared with similar countries
- Sierra Leone's 0.366 is below the median for low income countries, which is 0.791, 46% of the median. (25 countries reporting)
- Sierra Leone's 0.366 is below the median for Sub-Saharan Africa, which is 0.683, 54% of the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1900s | 0.786 | 0.786 | 0.786 | 10 |
| 1910s | 0.786 | 0.786 | 0.786 | 10 |
| 1920s | 0.7466 | 0.702 | 0.786 | 10 |
| 1930s | 0.724 | 0.724 | 0.724 | 10 |
| 1940s | 0.724 | 0.724 | 0.724 | 10 |
| 1950s | 0.691 | 0.682 | 0.726 | 10 |
| 1960s | 0.6693 | 0.611 | 0.797 | 10 |
| 1970s | 0.7715 | 0.762 | 0.827 | 10 |
| 1980s | 0.7652 | 0.764 | 0.766 | 10 |
| 1990s | 0.7919 | 0.622 | 0.91 | 10 |
| 2000s | 0.4989 | 0.409 | 0.663 | 10 |
| 2010s | 0.4891 | 0.406 | 0.53 | 10 |
| 2020s | 0.3357 | 0.304 | 0.366 | 6 |
Countries ranked near Sierra Leone
More reference data data for Sierra Leone
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0238 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.4498 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.5935 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.12 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.5935 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0797 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.044 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.91 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 2.72 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.6534 (2050)
Frequently asked questions
- What is political centralization index in Sierra Leone?
- Political centralization index in Sierra Leone was 0.366 in 2025, according to Our World in Data.
- What is the highest political centralization index recorded in Sierra Leone?
- The highest recorded value was 0.91 in 1993.
- What is the lowest political centralization index recorded in Sierra Leone?
- The lowest recorded value was 0.304 in 2021.
- How does Sierra Leone rank for political centralization index?
- Sierra Leone ranks 83rd out of 176 countries with data for 2025.
- Is political centralization index rising or falling in Sierra Leone?
- Over the last ten years it is down 28.7%. The long-run trend across the full record is falling.
- Where does this Sierra Leone 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.
Download this data
CSV · JSON — 126 observations, free to reuse under CC BY 4.0 (Our World in Data).