Public Sector Corruption Index in Thailand
Thailand: Public Sector Corruption Index was 0.522 in 2025. ▼ Falling
Public Sector Corruption Index in Thailand, 1789–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
Thailand recorded 0.522 for public sector corruption index in 2025.
Compared with earlier readings it is unchanged over ten years.
Over the whole period, public sector corruption index in Thailand peaked at 0.809 in 1789 and was at its lowest, 0.507, in 2000.
That places Thailand 87th 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 237 years of available data.
Public Sector Corruption Index in Thailand, year by year
| Year | Value | Change |
|---|---|---|
| 1789 | 0.809 | — |
| 1790 | 0.809 | +0.0% |
| 1791 | 0.809 | +0.0% |
| 1792 | 0.809 | +0.0% |
| 1793 | 0.809 | +0.0% |
| 1794 | 0.809 | +0.0% |
| 1795 | 0.809 | +0.0% |
| 1796 | 0.809 | +0.0% |
| 1797 | 0.809 | +0.0% |
| 1798 | 0.809 | +0.0% |
| 1799 | 0.809 | +0.0% |
| 1800 | 0.809 | +0.0% |
| 1801 | 0.809 | +0.0% |
| 1802 | 0.809 | +0.0% |
| 1803 | 0.809 | +0.0% |
| 1804 | 0.809 | +0.0% |
| 1805 | 0.809 | +0.0% |
| 1806 | 0.809 | +0.0% |
| 1807 | 0.809 | +0.0% |
| 1808 | 0.809 | +0.0% |
| 1809 | 0.809 | +0.0% |
| 1810 | 0.809 | +0.0% |
| 1811 | 0.809 | +0.0% |
| 1812 | 0.809 | +0.0% |
| 1813 | 0.809 | +0.0% |
| 1814 | 0.809 | +0.0% |
| 1815 | 0.809 | +0.0% |
| 1816 | 0.809 | +0.0% |
| 1817 | 0.809 | +0.0% |
| 1818 | 0.809 | +0.0% |
| 1819 | 0.809 | +0.0% |
| 1820 | 0.809 | +0.0% |
| 1821 | 0.809 | +0.0% |
| 1822 | 0.809 | +0.0% |
| 1823 | 0.809 | +0.0% |
| 1824 | 0.809 | +0.0% |
| 1825 | 0.809 | +0.0% |
| 1826 | 0.809 | +0.0% |
| 1827 | 0.809 | +0.0% |
| 1828 | 0.809 | +0.0% |
| 1829 | 0.809 | +0.0% |
| 1830 | 0.809 | +0.0% |
| 1831 | 0.809 | +0.0% |
| 1832 | 0.809 | +0.0% |
| 1833 | 0.809 | +0.0% |
| 1834 | 0.809 | +0.0% |
| 1835 | 0.809 | +0.0% |
| 1836 | 0.809 | +0.0% |
| 1837 | 0.809 | +0.0% |
| 1838 | 0.809 | +0.0% |
| 1839 | 0.809 | +0.0% |
| 1840 | 0.809 | +0.0% |
| 1841 | 0.809 | +0.0% |
| 1842 | 0.809 | +0.0% |
| 1843 | 0.809 | +0.0% |
| 1844 | 0.809 | +0.0% |
| 1845 | 0.809 | +0.0% |
| 1846 | 0.809 | +0.0% |
| 1847 | 0.809 | +0.0% |
| 1848 | 0.809 | +0.0% |
| 1849 | 0.809 | +0.0% |
| 1850 | 0.809 | +0.0% |
| 1851 | 0.809 | +0.0% |
| 1852 | 0.809 | +0.0% |
| 1853 | 0.809 | +0.0% |
| 1854 | 0.809 | +0.0% |
| 1855 | 0.809 | +0.0% |
| 1856 | 0.809 | +0.0% |
| 1857 | 0.809 | +0.0% |
| 1858 | 0.809 | +0.0% |
| 1859 | 0.809 | +0.0% |
| 1860 | 0.809 | +0.0% |
| 1861 | 0.809 | +0.0% |
| 1862 | 0.809 | +0.0% |
| 1863 | 0.809 | +0.0% |
| 1864 | 0.809 | +0.0% |
| 1865 | 0.809 | +0.0% |
| 1866 | 0.809 | +0.0% |
| 1867 | 0.809 | +0.0% |
| 1868 | 0.809 | +0.0% |
| 1869 | 0.809 | +0.0% |
| 1870 | 0.809 | +0.0% |
| 1871 | 0.809 | +0.0% |
| 1872 | 0.809 | +0.0% |
| 1873 | 0.809 | +0.0% |
| 1874 | 0.809 | +0.0% |
| 1875 | 0.809 | +0.0% |
| 1876 | 0.809 | +0.0% |
| 1877 | 0.809 | +0.0% |
| 1878 | 0.809 | +0.0% |
| 1879 | 0.809 | +0.0% |
| 1880 | 0.809 | +0.0% |
| 1881 | 0.809 | +0.0% |
| 1882 | 0.809 | +0.0% |
| 1883 | 0.809 | +0.0% |
| 1884 | 0.809 | +0.0% |
| 1885 | 0.809 | +0.0% |
| 1886 | 0.809 | +0.0% |
| 1887 | 0.809 | +0.0% |
| 1888 | 0.809 | +0.0% |
| 1889 | 0.809 | +0.0% |
| 1890 | 0.809 | +0.0% |
| 1891 | 0.809 | +0.0% |
| 1892 | 0.809 | +0.0% |
| 1893 | 0.809 | +0.0% |
| 1894 | 0.809 | +0.0% |
| 1895 | 0.809 | +0.0% |
| 1896 | 0.809 | +0.0% |
| 1897 | 0.809 | +0.0% |
| 1898 | 0.809 | +0.0% |
| 1899 | 0.809 | +0.0% |
| 1900 | 0.809 | +0.0% |
| 1901 | 0.809 | +0.0% |
| 1902 | 0.809 | +0.0% |
| 1903 | 0.809 | +0.0% |
| 1904 | 0.809 | +0.0% |
| 1905 | 0.809 | +0.0% |
| 1906 | 0.809 | +0.0% |
| 1907 | 0.809 | +0.0% |
| 1908 | 0.809 | +0.0% |
| 1909 | 0.809 | +0.0% |
| 1910 | 0.809 | +0.0% |
| 1911 | 0.809 | +0.0% |
| 1912 | 0.809 | +0.0% |
| 1913 | 0.809 | +0.0% |
| 1914 | 0.809 | +0.0% |
| 1915 | 0.809 | +0.0% |
| 1916 | 0.809 | +0.0% |
| 1917 | 0.809 | +0.0% |
| 1918 | 0.809 | +0.0% |
| 1919 | 0.809 | +0.0% |
| 1920 | 0.809 | +0.0% |
| 1921 | 0.809 | +0.0% |
| 1922 | 0.809 | +0.0% |
| 1923 | 0.809 | +0.0% |
| 1924 | 0.809 | +0.0% |
| 1925 | 0.809 | +0.0% |
| 1926 | 0.809 | +0.0% |
| 1927 | 0.809 | +0.0% |
| 1928 | 0.809 | +0.0% |
| 1929 | 0.809 | +0.0% |
| 1930 | 0.809 | +0.0% |
| 1931 | 0.809 | +0.0% |
| 1932 | 0.789 | -2.5% |
| 1933 | 0.752 | -4.7% |
| 1934 | 0.752 | +0.0% |
| 1935 | 0.752 | +0.0% |
| 1936 | 0.752 | +0.0% |
| 1937 | 0.752 | +0.0% |
| 1938 | 0.752 | +0.0% |
| 1939 | 0.752 | +0.0% |
| 1940 | 0.752 | +0.0% |
| 1941 | 0.752 | +0.0% |
| 1942 | 0.752 | +0.0% |
| 1943 | 0.752 | +0.0% |
| 1944 | 0.752 | +0.0% |
| 1945 | 0.752 | +0.0% |
| 1946 | 0.752 | +0.0% |
| 1947 | 0.752 | +0.0% |
| 1948 | 0.752 | +0.0% |
| 1949 | 0.752 | +0.0% |
| 1950 | 0.752 | +0.0% |
| 1951 | 0.752 | +0.0% |
| 1952 | 0.752 | +0.0% |
| 1953 | 0.752 | +0.0% |
| 1954 | 0.752 | +0.0% |
| 1955 | 0.752 | +0.0% |
| 1956 | 0.752 | +0.0% |
| 1957 | 0.752 | +0.0% |
| 1958 | 0.752 | +0.0% |
| 1959 | 0.752 | +0.0% |
| 1960 | 0.752 | +0.0% |
| 1961 | 0.752 | +0.0% |
| 1962 | 0.752 | +0.0% |
| 1963 | 0.752 | +0.0% |
| 1964 | 0.752 | +0.0% |
| 1965 | 0.752 | +0.0% |
| 1966 | 0.752 | +0.0% |
| 1967 | 0.752 | +0.0% |
| 1968 | 0.752 | +0.0% |
| 1969 | 0.752 | +0.0% |
| 1970 | 0.752 | +0.0% |
| 1971 | 0.752 | +0.0% |
| 1972 | 0.752 | +0.0% |
| 1973 | 0.752 | +0.0% |
| 1974 | 0.752 | +0.0% |
| 1975 | 0.752 | +0.0% |
| 1976 | 0.752 | +0.0% |
| 1977 | 0.752 | +0.0% |
| 1978 | 0.752 | +0.0% |
| 1979 | 0.752 | +0.0% |
| 1980 | 0.722 | -4.0% |
| 1981 | 0.722 | +0.0% |
| 1982 | 0.722 | +0.0% |
| 1983 | 0.722 | +0.0% |
| 1984 | 0.722 | +0.0% |
| 1985 | 0.722 | +0.0% |
| 1986 | 0.722 | +0.0% |
| 1987 | 0.722 | +0.0% |
| 1988 | 0.655 | -9.3% |
| 1989 | 0.655 | +0.0% |
| 1990 | 0.655 | +0.0% |
| 1991 | 0.655 | +0.0% |
| 1992 | 0.655 | +0.0% |
| 1993 | 0.655 | +0.0% |
| 1994 | 0.655 | +0.0% |
| 1995 | 0.655 | +0.0% |
| 1996 | 0.655 | +0.0% |
| 1997 | 0.655 | +0.0% |
| 1998 | 0.655 | +0.0% |
| 1999 | 0.655 | +0.0% |
| 2000 | 0.507 | -22.6% |
| 2001 | 0.507 | +0.0% |
| 2002 | 0.507 | +0.0% |
| 2003 | 0.507 | +0.0% |
| 2004 | 0.507 | +0.0% |
| 2005 | 0.507 | +0.0% |
| 2006 | 0.507 | +0.0% |
| 2007 | 0.507 | +0.0% |
| 2008 | 0.507 | +0.0% |
| 2009 | 0.507 | +0.0% |
| 2010 | 0.522 | +3.0% |
| 2011 | 0.522 | +0.0% |
| 2012 | 0.522 | +0.0% |
| 2013 | 0.507 | -2.9% |
| 2014 | 0.522 | +3.0% |
| 2015 | 0.522 | +0.0% |
| 2016 | 0.522 | +0.0% |
| 2017 | 0.522 | +0.0% |
| 2018 | 0.522 | +0.0% |
| 2019 | 0.522 | +0.0% |
| 2020 | 0.522 | +0.0% |
| 2021 | 0.522 | +0.0% |
| 2022 | 0.522 | +0.0% |
| 2023 | 0.522 | +0.0% |
| 2024 | 0.522 | +0.0% |
| 2025 | 0.522 | +0.0% |
Thailand compared with similar countries
- Thailand's 0.522 is below the median for upper middle income countries, which is 0.5295, 99% of the median. (48 countries reporting)
- Thailand's 0.522 is above the median for East Asia & Pacific, which is 0.489, 1.1× the median. (22 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1780s | 0.809 | 0.809 | 0.809 | 1 |
| 1790s | 0.809 | 0.809 | 0.809 | 10 |
| 1800s | 0.809 | 0.809 | 0.809 | 10 |
| 1810s | 0.809 | 0.809 | 0.809 | 10 |
| 1820s | 0.809 | 0.809 | 0.809 | 10 |
| 1830s | 0.809 | 0.809 | 0.809 | 10 |
| 1840s | 0.809 | 0.809 | 0.809 | 10 |
| 1850s | 0.809 | 0.809 | 0.809 | 10 |
| 1860s | 0.809 | 0.809 | 0.809 | 10 |
| 1870s | 0.809 | 0.809 | 0.809 | 10 |
| 1880s | 0.809 | 0.809 | 0.809 | 10 |
| 1890s | 0.809 | 0.809 | 0.809 | 10 |
| 1900s | 0.809 | 0.809 | 0.809 | 10 |
| 1910s | 0.809 | 0.809 | 0.809 | 10 |
| 1920s | 0.809 | 0.809 | 0.809 | 10 |
| 1930s | 0.7671 | 0.752 | 0.809 | 10 |
| 1940s | 0.752 | 0.752 | 0.752 | 10 |
| 1950s | 0.752 | 0.752 | 0.752 | 10 |
| 1960s | 0.752 | 0.752 | 0.752 | 10 |
| 1970s | 0.752 | 0.752 | 0.752 | 10 |
| 1980s | 0.7086 | 0.655 | 0.722 | 10 |
| 1990s | 0.655 | 0.655 | 0.655 | 10 |
| 2000s | 0.507 | 0.507 | 0.507 | 10 |
| 2010s | 0.5205 | 0.507 | 0.522 | 10 |
| 2020s | 0.522 | 0.522 | 0.522 | 6 |
Countries ranked near Thailand
More social development data for Thailand
- Refugees under the mandate of the UNHCR by country or territory of 84,017 (2025)
- Refugees under the mandate of the UNHCR by country or territory of 327 (2025)
- Political Rights Rating 6 (2025)
- Electoral democracy 0 (2025)
- Political rights rating fh, annual growth rate 0 % change on previous year (2025)
- Political rights rating fh, gaps filled 6 (2025)
- Refugees under the mandate of the UNHCR by country or territory of 0 units per person (2025)
- Refugees under the mandate of the UNHCR by country or territory of 327 (2025)
- Refugees under the mandate of the UNHCR by country or territory of 0.0012 units per person (2025)
- Refugees under the mandate of the UNHCR by country or territory of 0 units per US$ of GDP (2025)
Frequently asked questions
- What is public sector corruption index in Thailand?
- Public sector corruption index in Thailand was 0.522 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest public sector corruption index recorded in Thailand?
- The highest recorded value was 0.809 in 1789.
- What is the lowest public sector corruption index recorded in Thailand?
- The lowest recorded value was 0.507 in 2000.
- How does Thailand rank for public sector corruption index?
- Thailand ranks 87th out of 176 countries with data for 2025.
- Is public sector corruption index rising or falling in Thailand?
- Over the last ten years it is unchanged. 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 Public Sector Corruption Index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 237 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Data by V-Dem. Expert estimates of the extent to which public sector employees engage in bribery and theft. The index ranges from 0 to 1 (highly corrupt).