Tax revenue vs. Electoral Democracy Index in Sudan
Sudan: Tax revenue vs. Electoral Democracy Index was 0.13 in 2025. ◆ Volatile
Tax revenue vs. Electoral Democracy Index in Sudan, 1821–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
In 2025, tax revenue vs. electoral democracy index in Sudan stood at 0.13.
That represents a change of down 5.1% on the previous year and down 40.9% over ten years.
Over the whole period, tax revenue vs. electoral democracy index in Sudan peaked at 0.371 in 1987 and was at its lowest, 0.031, in 1821.
Sudan ranks 163rd of 176 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Tax revenue vs. Electoral Democracy Index in Sudan, year by year
| Year | Value | Change |
|---|---|---|
| 1821 | 0.031 | — |
| 1822 | 0.031 | +0.0% |
| 1823 | 0.031 | +0.0% |
| 1824 | 0.031 | +0.0% |
| 1825 | 0.031 | +0.0% |
| 1826 | 0.031 | +0.0% |
| 1827 | 0.031 | +0.0% |
| 1828 | 0.031 | +0.0% |
| 1829 | 0.031 | +0.0% |
| 1830 | 0.031 | +0.0% |
| 1831 | 0.031 | +0.0% |
| 1832 | 0.031 | +0.0% |
| 1833 | 0.031 | +0.0% |
| 1834 | 0.031 | +0.0% |
| 1835 | 0.031 | +0.0% |
| 1836 | 0.031 | +0.0% |
| 1837 | 0.031 | +0.0% |
| 1838 | 0.031 | +0.0% |
| 1839 | 0.031 | +0.0% |
| 1840 | 0.031 | +0.0% |
| 1841 | 0.031 | +0.0% |
| 1842 | 0.031 | +0.0% |
| 1843 | 0.031 | +0.0% |
| 1844 | 0.031 | +0.0% |
| 1845 | 0.031 | +0.0% |
| 1846 | 0.031 | +0.0% |
| 1847 | 0.031 | +0.0% |
| 1848 | 0.031 | +0.0% |
| 1849 | 0.031 | +0.0% |
| 1850 | 0.031 | +0.0% |
| 1851 | 0.031 | +0.0% |
| 1852 | 0.031 | +0.0% |
| 1853 | 0.031 | +0.0% |
| 1854 | 0.031 | +0.0% |
| 1855 | 0.031 | +0.0% |
| 1856 | 0.031 | +0.0% |
| 1857 | 0.031 | +0.0% |
| 1858 | 0.031 | +0.0% |
| 1859 | 0.031 | +0.0% |
| 1860 | 0.031 | +0.0% |
| 1861 | 0.031 | +0.0% |
| 1862 | 0.031 | +0.0% |
| 1863 | 0.035 | +12.9% |
| 1864 | 0.035 | +0.0% |
| 1865 | 0.035 | +0.0% |
| 1866 | 0.037 | +5.7% |
| 1867 | 0.037 | +0.0% |
| 1868 | 0.037 | +0.0% |
| 1869 | 0.037 | +0.0% |
| 1870 | 0.037 | +0.0% |
| 1871 | 0.037 | +0.0% |
| 1872 | 0.037 | +0.0% |
| 1873 | 0.037 | +0.0% |
| 1874 | 0.037 | +0.0% |
| 1875 | 0.037 | +0.0% |
| 1876 | 0.037 | +0.0% |
| 1877 | 0.037 | +0.0% |
| 1878 | 0.042 | +13.5% |
| 1879 | 0.067 | +59.5% |
| 1880 | 0.067 | +0.0% |
| 1881 | 0.069 | +3.0% |
| 1882 | 0.069 | +0.0% |
| 1883 | 0.147 | +113.0% |
| 1884 | 0.147 | +0.0% |
| 1900 | 0.054 | -63.3% |
| 1901 | 0.054 | +0.0% |
| 1902 | 0.054 | +0.0% |
| 1903 | 0.054 | +0.0% |
| 1904 | 0.054 | +0.0% |
| 1905 | 0.054 | +0.0% |
| 1906 | 0.054 | +0.0% |
| 1907 | 0.054 | +0.0% |
| 1908 | 0.054 | +0.0% |
| 1909 | 0.054 | +0.0% |
| 1910 | 0.054 | +0.0% |
| 1911 | 0.054 | +0.0% |
| 1912 | 0.054 | +0.0% |
| 1913 | 0.054 | +0.0% |
| 1914 | 0.054 | +0.0% |
| 1915 | 0.054 | +0.0% |
| 1916 | 0.054 | +0.0% |
| 1917 | 0.054 | +0.0% |
| 1918 | 0.054 | +0.0% |
| 1919 | 0.054 | +0.0% |
| 1920 | 0.055 | +1.9% |
| 1921 | 0.056 | +1.8% |
| 1922 | 0.056 | +0.0% |
| 1923 | 0.056 | +0.0% |
| 1924 | 0.056 | +0.0% |
| 1925 | 0.056 | +0.0% |
| 1926 | 0.056 | +0.0% |
| 1927 | 0.056 | +0.0% |
| 1928 | 0.056 | +0.0% |
| 1929 | 0.056 | +0.0% |
| 1930 | 0.057 | +1.8% |
| 1931 | 0.057 | +0.0% |
| 1932 | 0.057 | +0.0% |
| 1933 | 0.057 | +0.0% |
| 1934 | 0.057 | +0.0% |
| 1935 | 0.057 | +0.0% |
| 1936 | 0.057 | +0.0% |
| 1937 | 0.057 | +0.0% |
| 1938 | 0.057 | +0.0% |
| 1939 | 0.057 | +0.0% |
| 1940 | 0.057 | +0.0% |
| 1941 | 0.057 | +0.0% |
| 1942 | 0.057 | +0.0% |
| 1943 | 0.057 | +0.0% |
| 1944 | 0.058 | +1.8% |
| 1945 | 0.059 | +1.7% |
| 1946 | 0.059 | +0.0% |
| 1947 | 0.059 | +0.0% |
| 1948 | 0.061 | +3.4% |
| 1949 | 0.106 | +73.8% |
| 1950 | 0.107 | +0.9% |
| 1951 | 0.107 | +0.0% |
| 1952 | 0.107 | +0.0% |
| 1953 | 0.166 | +55.1% |
| 1954 | 0.228 | +37.3% |
| 1955 | 0.243 | +6.6% |
| 1956 | 0.288 | +18.5% |
| 1957 | 0.286 | -0.7% |
| 1958 | 0.259 | -9.4% |
| 1959 | 0.079 | -69.5% |
| 1960 | 0.072 | -8.9% |
| 1961 | 0.072 | +0.0% |
| 1962 | 0.072 | +0.0% |
| 1963 | 0.071 | -1.4% |
| 1964 | 0.105 | +47.9% |
| 1965 | 0.209 | +99.0% |
| 1966 | 0.206 | -1.4% |
| 1967 | 0.206 | +0.0% |
| 1968 | 0.228 | +10.7% |
| 1969 | 0.099 | -56.6% |
| 1970 | 0.1 | +1.0% |
| 1971 | 0.11 | +10.0% |
| 1972 | 0.145 | +31.8% |
| 1973 | 0.146 | +0.7% |
| 1974 | 0.152 | +4.1% |
| 1975 | 0.161 | +5.9% |
| 1976 | 0.161 | +0.0% |
| 1977 | 0.161 | +0.0% |
| 1978 | 0.177 | +9.9% |
| 1979 | 0.181 | +2.3% |
| 1980 | 0.172 | -5.0% |
| 1981 | 0.184 | +7.0% |
| 1982 | 0.163 | -11.4% |
| 1983 | 0.183 | +12.3% |
| 1984 | 0.197 | +7.7% |
| 1985 | 0.209 | +6.1% |
| 1986 | 0.331 | +58.4% |
| 1987 | 0.371 | +12.1% |
| 1988 | 0.371 | +0.0% |
| 1989 | 0.169 | -54.4% |
| 1990 | 0.086 | -49.1% |
| 1991 | 0.086 | +0.0% |
| 1992 | 0.088 | +2.3% |
| 1993 | 0.088 | +0.0% |
| 1994 | 0.088 | +0.0% |
| 1995 | 0.088 | +0.0% |
| 1996 | 0.136 | +54.5% |
| 1997 | 0.151 | +11.0% |
| 1998 | 0.151 | +0.0% |
| 1999 | 0.149 | -1.3% |
| 2000 | 0.131 | -12.1% |
| 2001 | 0.172 | +31.3% |
| 2002 | 0.173 | +0.6% |
| 2003 | 0.173 | +0.0% |
| 2004 | 0.179 | +3.5% |
| 2005 | 0.198 | +10.6% |
| 2006 | 0.199 | +0.5% |
| 2007 | 0.198 | -0.5% |
| 2008 | 0.201 | +1.5% |
| 2009 | 0.202 | +0.5% |
| 2010 | 0.213 | +5.4% |
| 2011 | 0.212 | -0.5% |
| 2012 | 0.211 | -0.5% |
| 2013 | 0.212 | +0.5% |
| 2014 | 0.212 | +0.0% |
| 2015 | 0.22 | +3.8% |
| 2016 | 0.219 | -0.5% |
| 2017 | 0.226 | +3.2% |
| 2018 | 0.227 | +0.4% |
| 2019 | 0.193 | -15.0% |
| 2020 | 0.167 | -13.5% |
| 2021 | 0.163 | -2.4% |
| 2022 | 0.158 | -3.1% |
| 2023 | 0.139 | -12.0% |
| 2024 | 0.137 | -1.4% |
| 2025 | 0.13 | -5.1% |
Sudan compared with similar countries
- Sudan's 0.13 is below the median for low income countries, which is 0.227, 57% of the median. (25 countries reporting)
- Sudan's 0.13 is below the median for Sub-Saharan Africa, which is 0.317, 41% of the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1820s | 0.031 | 0.031 | 0.031 | 9 |
| 1830s | 0.031 | 0.031 | 0.031 | 10 |
| 1840s | 0.031 | 0.031 | 0.031 | 10 |
| 1850s | 0.031 | 0.031 | 0.031 | 10 |
| 1860s | 0.0346 | 0.031 | 0.037 | 10 |
| 1870s | 0.0405 | 0.037 | 0.067 | 10 |
| 1880s | 0.0998 | 0.067 | 0.147 | 5 |
| 1900s | 0.054 | 0.054 | 0.054 | 10 |
| 1910s | 0.054 | 0.054 | 0.054 | 10 |
| 1920s | 0.0559 | 0.055 | 0.056 | 10 |
| 1930s | 0.057 | 0.057 | 0.057 | 10 |
| 1940s | 0.063 | 0.057 | 0.106 | 10 |
| 1950s | 0.187 | 0.079 | 0.288 | 10 |
| 1960s | 0.134 | 0.071 | 0.228 | 10 |
| 1970s | 0.1494 | 0.1 | 0.181 | 10 |
| 1980s | 0.235 | 0.163 | 0.371 | 10 |
| 1990s | 0.1111 | 0.086 | 0.151 | 10 |
| 2000s | 0.1826 | 0.131 | 0.202 | 10 |
| 2010s | 0.2145 | 0.193 | 0.227 | 10 |
| 2020s | 0.149 | 0.13 | 0.167 | 6 |
Countries ranked near Sudan
More economy & growth data for Sudan
- Africa's Development Dynamics (AfDD) Table 04 - Annual real GDP 2.1 Percent per annum (2029)
- Africa's Development Dynamics (AfDD) Table 02 - Annual real GDP 4.5 Percent per annum (2029)
- SDRs holdings, US dollar, annual growth rate 4.89 % change on previous year (2025)
- SDRs holdings, US dollar, per unit of GDP 0.0175 units per US$ of GDP (2025)
- SDRs holdings, US dollar, per capita 20.38 units per person (2025)
- SDRs holdings, SDR, annual growth rate -0.1146 % change on previous year (2025)
- SDRs holdings, SDR, per unit of GDP 0.0128 units per US$ of GDP (2025)
- SDRs holdings, SDR, per capita 14.88 units per person (2025)
- IMF holdings of currency, US dollar, annual growth rate 5.01 % change on previous year (2025)
- IMF holdings of currency, US dollar, per unit of GDP 0.0143 units per US$ of GDP (2025)
Frequently asked questions
- What is tax revenue vs. electoral democracy index in Sudan?
- Tax revenue vs. electoral democracy index in Sudan was 0.13 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest tax revenue vs. electoral democracy index recorded in Sudan?
- The highest recorded value was 0.371 in 1987.
- What is the lowest tax revenue vs. electoral democracy index recorded in Sudan?
- The lowest recorded value was 0.031 in 1821.
- How does Sudan rank for tax revenue vs. electoral democracy index?
- Sudan ranks 163rd out of 176 countries with data for 2025.
- Is tax revenue vs. electoral democracy index rising or falling in Sudan?
- Over the last ten years it is down 40.9%. The long-run trend across the full record is volatile.
- Where does this Sudan data come from?
- The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Tax revenue vs. Electoral Democracy Index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 190 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Central estimate of the extent to which political leaders are elected under comprehensive suffrage in free and fair elections, and freedoms of association and expression are guaranteed.