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Centralization of Political Power Index in Thailand

Thailand: Centralization of Political Power Index was 0.243 in 2025. ▼ Falling

Latest (2025)
0.243
Change on year
down 11.0%
World rank
103rd
of 176 countries
All-time high
0.758
in 1900
All-time low
0.167
in 2013
Years of data
152
1874–2025

Centralization of Political Power Index in Thailand, 1874–2025

0.20.40.60.8187419492025

Source: V-Dem (2026) – processed by Our World in Data.

Analysis

The most recent figure for centralization of political power index in Thailand is 0.243, measured in 2025.

Compared with earlier readings it is down 11.0% on the previous year and down 56.4% over ten years.

Over the whole period, centralization of political power index in Thailand peaked at 0.758 in 1900 and was at its lowest, 0.167, in 2013.

Thailand ranks 103rd of 176 countries on this measure, in the middle of the range.

The long-run direction has been consistently falling across the 152 years of available data.

Centralization of Political Power Index in Thailand, year by year

Year Value Change
1874 0.693 —
1875 0.693 +0.0%
1876 0.693 +0.0%
1877 0.693 +0.0%
1878 0.693 +0.0%
1879 0.693 +0.0%
1880 0.693 +0.0%
1881 0.693 +0.0%
1882 0.693 +0.0%
1883 0.693 +0.0%
1884 0.693 +0.0%
1885 0.693 +0.0%
1886 0.693 +0.0%
1887 0.693 +0.0%
1888 0.693 +0.0%
1889 0.693 +0.0%
1890 0.693 +0.0%
1891 0.693 +0.0%
1892 0.693 +0.0%
1893 0.693 +0.0%
1894 0.693 +0.0%
1895 0.693 +0.0%
1896 0.693 +0.0%
1897 0.693 +0.0%
1898 0.693 +0.0%
1899 0.693 +0.0%
1900 0.758 +9.4%
1901 0.758 +0.0%
1902 0.758 +0.0%
1903 0.758 +0.0%
1904 0.758 +0.0%
1905 0.758 +0.0%
1906 0.758 +0.0%
1907 0.758 +0.0%
1908 0.758 +0.0%
1909 0.758 +0.0%
1910 0.712 -6.1%
1911 0.712 +0.0%
1912 0.712 +0.0%
1913 0.712 +0.0%
1914 0.712 +0.0%
1915 0.712 +0.0%
1916 0.712 +0.0%
1917 0.712 +0.0%
1918 0.712 +0.0%
1919 0.712 +0.0%
1920 0.712 +0.0%
1921 0.719 +1.0%
1922 0.719 +0.0%
1923 0.719 +0.0%
1924 0.719 +0.0%
1925 0.719 +0.0%
1926 0.719 +0.0%
1927 0.719 +0.0%
1928 0.719 +0.0%
1929 0.719 +0.0%
1930 0.719 +0.0%
1931 0.719 +0.0%
1932 0.686 -4.6%
1933 0.572 -16.6%
1934 0.572 +0.0%
1935 0.572 +0.0%
1936 0.572 +0.0%
1937 0.572 +0.0%
1938 0.572 +0.0%
1939 0.579 +1.2%
1940 0.579 +0.0%
1941 0.579 +0.0%
1942 0.579 +0.0%
1943 0.579 +0.0%
1944 0.549 -5.2%
1945 0.551 +0.4%
1946 0.551 +0.0%
1947 0.575 +4.4%
1948 0.575 +0.0%
1949 0.581 +1.0%
1950 0.597 +2.8%
1951 0.588 -1.5%
1952 0.594 +1.0%
1953 0.594 +0.0%
1954 0.594 +0.0%
1955 0.594 +0.0%
1956 0.594 +0.0%
1957 0.618 +4.0%
1958 0.618 +0.0%
1959 0.702 +13.6%
1960 0.702 +0.0%
1961 0.702 +0.0%
1962 0.702 +0.0%
1963 0.702 +0.0%
1964 0.702 +0.0%
1965 0.702 +0.0%
1966 0.702 +0.0%
1967 0.702 +0.0%
1968 0.702 +0.0%
1969 0.69 -1.7%
1970 0.6 -13.0%
1971 0.6 +0.0%
1972 0.594 -1.0%
1973 0.548 -7.7%
1974 0.51 -6.9%
1975 0.51 +0.0%
1976 0.553 +8.4%
1977 0.574 +3.8%
1978 0.596 +3.8%
1979 0.57 -4.4%
1980 0.428 -24.9%
1981 0.428 +0.0%
1982 0.428 +0.0%
1983 0.428 +0.0%
1984 0.428 +0.0%
1985 0.428 +0.0%
1986 0.412 -3.7%
1987 0.412 +0.0%
1988 0.397 -3.6%
1989 0.397 +0.0%
1990 0.397 +0.0%
1991 0.454 +14.4%
1992 0.399 -12.1%
1993 0.395 -1.0%
1994 0.395 +0.0%
1995 0.395 +0.0%
1996 0.4 +1.3%
1997 0.274 -31.5%
1998 0.246 -10.2%
1999 0.246 +0.0%
2000 0.247 +0.4%
2001 0.248 +0.4%
2002 0.226 -8.9%
2003 0.275 +21.7%
2004 0.275 +0.0%
2005 0.275 +0.0%
2006 0.412 +49.8%
2007 0.321 -22.1%
2008 0.184 -42.7%
2009 0.223 +21.2%
2010 0.248 +11.2%
2011 0.196 -21.0%
2012 0.169 -13.8%
2013 0.167 -1.2%
2014 0.61 +265.3%
2015 0.557 -8.7%
2016 0.571 +2.5%
2017 0.577 +1.1%
2018 0.556 -3.6%
2019 0.413 -25.7%
2020 0.403 -2.4%
2021 0.372 -7.7%
2022 0.364 -2.2%
2023 0.317 -12.9%
2024 0.273 -13.9%
2025 0.243 -11.0%

Thailand compared with similar countries

  • Thailand's 0.243 is below the median for upper middle income countries, which is 0.3495, 70% of the median. (48 countries reporting)
  • Thailand's 0.243 is below the median for East Asia & Pacific, which is 0.267, 91% of the median. (22 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1870s 0.693 0.693 0.693 6
1880s 0.693 0.693 0.693 10
1890s 0.693 0.693 0.693 10
1900s 0.758 0.758 0.758 10
1910s 0.712 0.712 0.712 10
1920s 0.7183 0.712 0.719 10
1930s 0.6135 0.572 0.719 10
1940s 0.5698 0.549 0.581 10
1950s 0.6093 0.588 0.702 10
1960s 0.7008 0.69 0.702 10
1970s 0.5655 0.51 0.6 10
1980s 0.4186 0.397 0.428 10
1990s 0.3601 0.246 0.454 10
2000s 0.2686 0.184 0.412 10
2010s 0.4064 0.167 0.61 10
2020s 0.3287 0.243 0.403 6

Countries ranked near Thailand

  1. 100 Morocco 0.25 compare
  2. 101 Senegal 0.248 compare
  3. 102 Mongolia 0.247 compare
  4. 104 Zambia 0.242 compare
  5. 105 Tanzania 0.24 compare
  6. 106 Honduras 0.236 compare

See the full ranking of 176 places →

More reference data data for Thailand

All data for Thailand →

Frequently asked questions

What is centralization of political power index in Thailand?
Centralization of political power index in Thailand was 0.243 in 2025, according to V-Dem (2026) – processed by Our World in Data.
What is the highest centralization of political power index recorded in Thailand?
The highest recorded value was 0.758 in 1900.
What is the lowest centralization of political power index recorded in Thailand?
The lowest recorded value was 0.167 in 2013.
How does Thailand rank for centralization of political power index?
Thailand ranks 103rd out of 176 countries with data for 2025.
Is centralization of political power index rising or falling in Thailand?
Over the last ten years it is down 56.4%. The long-run trend across the full record is falling.
Where does this Thailand data come from?
The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Centralization of Political Power Index. Statizoid updates them automatically from the source API.

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Centralization of Political Power Index in Thailand. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 22 September 2026, from https://reference.statizoid.com/stat/political-centralization-index/thailand/

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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

Central estimate of the extent to which the executive is unconstrained by the legislature, judiciary, electoral management body, and other oversight.