Political centralization index in Papua New Guinea
Papua New Guinea: Political centralization index was 0.13 in 2025. ◆ Volatile
Political centralization index in Papua New Guinea, 1900–2025
Source: Our World in Data.
Analysis
Papua New Guinea recorded 0.13 for political centralization index in 2025. That is the lowest value across all 126 years on record.
That represents a change of down 35.3% over ten years.
Over the whole period, political centralization index in Papua New Guinea peaked at 0.801 in 1900 and was at its lowest, 0.13, in 2024.
That places Papua New Guinea 132nd out of 176 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Political centralization index in Papua New Guinea, year by year
| Year | Value | Change |
|---|---|---|
| 1900 | 0.801 | — |
| 1901 | 0.801 | +0.0% |
| 1902 | 0.801 | +0.0% |
| 1903 | 0.801 | +0.0% |
| 1904 | 0.801 | +0.0% |
| 1905 | 0.801 | +0.0% |
| 1906 | 0.801 | +0.0% |
| 1907 | 0.801 | +0.0% |
| 1908 | 0.801 | +0.0% |
| 1909 | 0.801 | +0.0% |
| 1910 | 0.801 | +0.0% |
| 1911 | 0.801 | +0.0% |
| 1912 | 0.801 | +0.0% |
| 1913 | 0.801 | +0.0% |
| 1914 | 0.801 | +0.0% |
| 1915 | 0.801 | +0.0% |
| 1916 | 0.801 | +0.0% |
| 1917 | 0.801 | +0.0% |
| 1918 | 0.801 | +0.0% |
| 1919 | 0.801 | +0.0% |
| 1920 | 0.801 | +0.0% |
| 1921 | 0.801 | +0.0% |
| 1922 | 0.801 | +0.0% |
| 1923 | 0.801 | +0.0% |
| 1924 | 0.801 | +0.0% |
| 1925 | 0.801 | +0.0% |
| 1926 | 0.801 | +0.0% |
| 1927 | 0.801 | +0.0% |
| 1928 | 0.801 | +0.0% |
| 1929 | 0.801 | +0.0% |
| 1930 | 0.801 | +0.0% |
| 1931 | 0.801 | +0.0% |
| 1932 | 0.801 | +0.0% |
| 1933 | 0.801 | +0.0% |
| 1934 | 0.801 | +0.0% |
| 1935 | 0.801 | +0.0% |
| 1936 | 0.801 | +0.0% |
| 1937 | 0.801 | +0.0% |
| 1938 | 0.801 | +0.0% |
| 1939 | 0.801 | +0.0% |
| 1940 | 0.801 | +0.0% |
| 1941 | 0.801 | +0.0% |
| 1942 | 0.801 | +0.0% |
| 1943 | 0.801 | +0.0% |
| 1944 | 0.801 | +0.0% |
| 1945 | 0.757 | -5.5% |
| 1946 | 0.553 | -26.9% |
| 1947 | 0.553 | +0.0% |
| 1948 | 0.553 | +0.0% |
| 1949 | 0.553 | +0.0% |
| 1950 | 0.553 | +0.0% |
| 1951 | 0.379 | -31.5% |
| 1952 | 0.379 | +0.0% |
| 1953 | 0.379 | +0.0% |
| 1954 | 0.379 | +0.0% |
| 1955 | 0.379 | +0.0% |
| 1956 | 0.379 | +0.0% |
| 1957 | 0.379 | +0.0% |
| 1958 | 0.379 | +0.0% |
| 1959 | 0.379 | +0.0% |
| 1960 | 0.379 | +0.0% |
| 1961 | 0.379 | +0.0% |
| 1962 | 0.379 | +0.0% |
| 1963 | 0.379 | +0.0% |
| 1964 | 0.285 | -24.8% |
| 1965 | 0.285 | +0.0% |
| 1966 | 0.285 | +0.0% |
| 1967 | 0.285 | +0.0% |
| 1968 | 0.285 | +0.0% |
| 1969 | 0.285 | +0.0% |
| 1970 | 0.296 | +3.9% |
| 1971 | 0.296 | +0.0% |
| 1972 | 0.296 | +0.0% |
| 1973 | 0.296 | +0.0% |
| 1974 | 0.296 | +0.0% |
| 1975 | 0.174 | -41.2% |
| 1976 | 0.174 | +0.0% |
| 1977 | 0.174 | +0.0% |
| 1978 | 0.174 | +0.0% |
| 1979 | 0.174 | +0.0% |
| 1980 | 0.174 | +0.0% |
| 1981 | 0.174 | +0.0% |
| 1982 | 0.174 | +0.0% |
| 1983 | 0.174 | +0.0% |
| 1984 | 0.174 | +0.0% |
| 1985 | 0.174 | +0.0% |
| 1986 | 0.174 | +0.0% |
| 1987 | 0.174 | +0.0% |
| 1988 | 0.174 | +0.0% |
| 1989 | 0.174 | +0.0% |
| 1990 | 0.174 | +0.0% |
| 1991 | 0.174 | +0.0% |
| 1992 | 0.174 | +0.0% |
| 1993 | 0.174 | +0.0% |
| 1994 | 0.174 | +0.0% |
| 1995 | 0.174 | +0.0% |
| 1996 | 0.174 | +0.0% |
| 1997 | 0.174 | +0.0% |
| 1998 | 0.174 | +0.0% |
| 1999 | 0.174 | +0.0% |
| 2000 | 0.174 | +0.0% |
| 2001 | 0.174 | +0.0% |
| 2002 | 0.174 | +0.0% |
| 2003 | 0.174 | +0.0% |
| 2004 | 0.174 | +0.0% |
| 2005 | 0.174 | +0.0% |
| 2006 | 0.174 | +0.0% |
| 2007 | 0.174 | +0.0% |
| 2008 | 0.174 | +0.0% |
| 2009 | 0.174 | +0.0% |
| 2010 | 0.185 | +6.3% |
| 2011 | 0.192 | +3.8% |
| 2012 | 0.198 | +3.1% |
| 2013 | 0.198 | +0.0% |
| 2014 | 0.201 | +1.5% |
| 2015 | 0.201 | +0.0% |
| 2016 | 0.201 | +0.0% |
| 2017 | 0.208 | +3.5% |
| 2018 | 0.192 | -7.7% |
| 2019 | 0.213 | +10.9% |
| 2020 | 0.16 | -24.9% |
| 2021 | 0.167 | +4.4% |
| 2022 | 0.153 | -8.4% |
| 2023 | 0.146 | -4.6% |
| 2024 | 0.13 | -11.0% |
| 2025 | 0.13 | +0.0% |
Papua New Guinea compared with similar countries
- Papua New Guinea's 0.13 is below the median for lower middle income countries, which is 0.5475, 24% of the median. (46 countries reporting)
- Papua New Guinea's 0.13 is below the median for East Asia & Pacific, which is 0.267, 49% of the median. (22 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1900s | 0.801 | 0.801 | 0.801 | 10 |
| 1910s | 0.801 | 0.801 | 0.801 | 10 |
| 1920s | 0.801 | 0.801 | 0.801 | 10 |
| 1930s | 0.801 | 0.801 | 0.801 | 10 |
| 1940s | 0.6974 | 0.553 | 0.801 | 10 |
| 1950s | 0.3964 | 0.379 | 0.553 | 10 |
| 1960s | 0.3226 | 0.285 | 0.379 | 10 |
| 1970s | 0.235 | 0.174 | 0.296 | 10 |
| 1980s | 0.174 | 0.174 | 0.174 | 10 |
| 1990s | 0.174 | 0.174 | 0.174 | 10 |
| 2000s | 0.174 | 0.174 | 0.174 | 10 |
| 2010s | 0.1989 | 0.185 | 0.213 | 10 |
| 2020s | 0.1477 | 0.13 | 0.167 | 6 |
Countries ranked near Papua New Guinea
More reference data data for Papua New Guinea
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.2042 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0498 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.3515 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0007 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.3515 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.6846 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.5295 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.2811 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 1.89 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.0038 (2050)
Frequently asked questions
- What is political centralization index in Papua New Guinea?
- Political centralization index in Papua New Guinea was 0.13 in 2025, according to Our World in Data.
- What is the highest political centralization index recorded in Papua New Guinea?
- The highest recorded value was 0.801 in 1900.
- What is the lowest political centralization index recorded in Papua New Guinea?
- The lowest recorded value was 0.13 in 2024.
- How does Papua New Guinea rank for political centralization index?
- Papua New Guinea ranks 132nd out of 176 countries with data for 2025.
- Is political centralization index rising or falling in Papua New Guinea?
- Over the last ten years it is down 35.3%. The long-run trend across the full record is volatile.
- Where does this Papua New Guinea 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).