Tax revenue vs. Electoral Democracy Index in Nigeria
Nigeria: Tax revenue vs. Electoral Democracy Index was 0.505 in 2025. ◆ Volatile
Latest (2025)
0.505
Change on year
up 1.2%
World rank
85th
of 176 countries
All-time high
0.556
in 2017
All-time low
0.109
in 1920
Years of data
112
1914–2025
Tax revenue vs. Electoral Democracy Index in Nigeria, 1914–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
The most recent figure for tax revenue vs. electoral democracy index in Nigeria is 0.505, measured in 2025.
That represents a change of up 1.2% on the previous year and down 8.8% over ten years.
Over the whole period, tax revenue vs. electoral democracy index in Nigeria peaked at 0.556 in 2017 and was at its lowest, 0.109, in 1920.
Nigeria ranks 85th of 176 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Tax revenue vs. Electoral Democracy Index in Nigeria, year by year
| Year | Value | Change |
|---|---|---|
| 1914 | 0.114 | — |
| 1915 | 0.114 | +0.0% |
| 1916 | 0.114 | +0.0% |
| 1917 | 0.114 | +0.0% |
| 1918 | 0.114 | +0.0% |
| 1919 | 0.113 | -0.9% |
| 1920 | 0.109 | -3.5% |
| 1921 | 0.109 | +0.0% |
| 1922 | 0.133 | +22.0% |
| 1923 | 0.14 | +5.3% |
| 1924 | 0.14 | +0.0% |
| 1925 | 0.14 | +0.0% |
| 1926 | 0.14 | +0.0% |
| 1927 | 0.14 | +0.0% |
| 1928 | 0.14 | +0.0% |
| 1929 | 0.14 | +0.0% |
| 1930 | 0.14 | +0.0% |
| 1931 | 0.14 | +0.0% |
| 1932 | 0.14 | +0.0% |
| 1933 | 0.14 | +0.0% |
| 1934 | 0.141 | +0.7% |
| 1935 | 0.141 | +0.0% |
| 1936 | 0.141 | +0.0% |
| 1937 | 0.141 | +0.0% |
| 1938 | 0.141 | +0.0% |
| 1939 | 0.141 | +0.0% |
| 1940 | 0.141 | +0.0% |
| 1941 | 0.141 | +0.0% |
| 1942 | 0.141 | +0.0% |
| 1943 | 0.141 | +0.0% |
| 1944 | 0.141 | +0.0% |
| 1945 | 0.138 | -2.1% |
| 1946 | 0.142 | +2.9% |
| 1947 | 0.144 | +1.4% |
| 1948 | 0.144 | +0.0% |
| 1949 | 0.144 | +0.0% |
| 1950 | 0.144 | +0.0% |
| 1951 | 0.144 | +0.0% |
| 1952 | 0.149 | +3.5% |
| 1953 | 0.18 | +20.8% |
| 1954 | 0.184 | +2.2% |
| 1955 | 0.18 | -2.2% |
| 1956 | 0.18 | +0.0% |
| 1957 | 0.19 | +5.6% |
| 1958 | 0.211 | +11.1% |
| 1959 | 0.181 | -14.2% |
| 1960 | 0.25 | +38.1% |
| 1961 | 0.249 | -0.4% |
| 1962 | 0.249 | +0.0% |
| 1963 | 0.249 | +0.0% |
| 1964 | 0.249 | +0.0% |
| 1965 | 0.233 | -6.4% |
| 1966 | 0.213 | -8.6% |
| 1967 | 0.181 | -15.0% |
| 1968 | 0.181 | +0.0% |
| 1969 | 0.181 | +0.0% |
| 1970 | 0.181 | +0.0% |
| 1971 | 0.181 | +0.0% |
| 1972 | 0.181 | +0.0% |
| 1973 | 0.179 | -1.1% |
| 1974 | 0.179 | +0.0% |
| 1975 | 0.18 | +0.6% |
| 1976 | 0.181 | +0.6% |
| 1977 | 0.191 | +5.5% |
| 1978 | 0.2 | +4.7% |
| 1979 | 0.262 | +31.0% |
| 1980 | 0.376 | +43.5% |
| 1981 | 0.376 | +0.0% |
| 1982 | 0.376 | +0.0% |
| 1983 | 0.311 | -17.3% |
| 1984 | 0.187 | -39.9% |
| 1985 | 0.189 | +1.1% |
| 1986 | 0.193 | +2.1% |
| 1987 | 0.193 | +0.0% |
| 1988 | 0.193 | +0.0% |
| 1989 | 0.199 | +3.1% |
| 1990 | 0.203 | +2.0% |
| 1991 | 0.204 | +0.5% |
| 1992 | 0.223 | +9.3% |
| 1993 | 0.229 | +2.7% |
| 1994 | 0.197 | -14.0% |
| 1995 | 0.189 | -4.1% |
| 1996 | 0.189 | +0.0% |
| 1997 | 0.2 | +5.8% |
| 1998 | 0.222 | +11.0% |
| 1999 | 0.376 | +69.4% |
| 2000 | 0.471 | +25.3% |
| 2001 | 0.471 | +0.0% |
| 2002 | 0.471 | +0.0% |
| 2003 | 0.428 | -9.1% |
| 2004 | 0.412 | -3.7% |
| 2005 | 0.412 | +0.0% |
| 2006 | 0.417 | +1.2% |
| 2007 | 0.408 | -2.2% |
| 2008 | 0.414 | +1.5% |
| 2009 | 0.413 | -0.2% |
| 2010 | 0.43 | +4.1% |
| 2011 | 0.481 | +11.9% |
| 2012 | 0.506 | +5.2% |
| 2013 | 0.52 | +2.8% |
| 2014 | 0.525 | +1.0% |
| 2015 | 0.554 | +5.5% |
| 2016 | 0.555 | +0.2% |
| 2017 | 0.556 | +0.2% |
| 2018 | 0.555 | -0.2% |
| 2019 | 0.52 | -6.3% |
| 2020 | 0.512 | -1.5% |
| 2021 | 0.488 | -4.7% |
| 2022 | 0.49 | +0.4% |
| 2023 | 0.484 | -1.2% |
| 2024 | 0.499 | +3.1% |
| 2025 | 0.505 | +1.2% |
Nigeria compared with similar countries
- Nigeria's 0.505 is above the median for lower middle income countries, which is 0.3475, 1.5× the median. (46 countries reporting)
- Nigeria's 0.505 is above the median for Sub-Saharan Africa, which is 0.317, 1.6× the median. (48 countries reporting)
Biggest year-on-year movements
Years where Tax revenue vs. Electoral Democracy Index in Nigeria changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1999 | +69.4% | 0.222 | 0.376 |
| 1980 | +43.5% | 0.262 | 0.376 |
| 1984 | -39.9% | 0.311 | 0.187 |
| 1960 | +38.1% | 0.181 | 0.25 |
| 1979 | +31.0% | 0.2 | 0.262 |
| 2000 | +25.3% | 0.376 | 0.471 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1910s | 0.1138 | 0.113 | 0.114 | 6 |
| 1920s | 0.1331 | 0.109 | 0.14 | 10 |
| 1930s | 0.1406 | 0.14 | 0.141 | 10 |
| 1940s | 0.1417 | 0.138 | 0.144 | 10 |
| 1950s | 0.1743 | 0.144 | 0.211 | 10 |
| 1960s | 0.2235 | 0.181 | 0.25 | 10 |
| 1970s | 0.1915 | 0.179 | 0.262 | 10 |
| 1980s | 0.2593 | 0.187 | 0.376 | 10 |
| 1990s | 0.2232 | 0.189 | 0.376 | 10 |
| 2000s | 0.4317 | 0.408 | 0.471 | 10 |
| 2010s | 0.5202 | 0.43 | 0.556 | 10 |
| 2020s | 0.4963 | 0.484 | 0.512 | 6 |
Countries ranked near Nigeria
More economy & growth data for Nigeria
- Africa's Development Dynamics (AfDD) Table 04 - Annual real GDP 1.04 Percent per annum (2029)
- Africa's Development Dynamics (AfDD) Table 02 - Annual real GDP 3.32 Percent per annum (2029)
- SDRs holdings, US dollar, annual growth rate 3.99 % change on previous year (2025)
- SDRs holdings, US dollar, per unit of GDP 0.0148 units per US$ of GDP (2025)
- SDRs holdings, US dollar, per capita 18.13 units per person (2025)
- SDRs holdings, SDR, annual growth rate -0.9704 % change on previous year (2025)
- SDRs holdings, SDR, per unit of GDP 0.0108 units per US$ of GDP (2025)
- SDRs holdings, SDR, per capita 13.24 units per person (2025)
- IMF holdings of currency, US dollar, annual growth rate -17.26 % change on previous year (2025)
- IMF holdings of currency, US dollar, per unit of GDP 0.0107 units per US$ of GDP (2025)
Frequently asked questions
- What is tax revenue vs. electoral democracy index in Nigeria?
- Tax revenue vs. electoral democracy index in Nigeria was 0.505 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 Nigeria?
- The highest recorded value was 0.556 in 2017.
- What is the lowest tax revenue vs. electoral democracy index recorded in Nigeria?
- The lowest recorded value was 0.109 in 1920.
- How does Nigeria rank for tax revenue vs. electoral democracy index?
- Nigeria ranks 85th out of 176 countries with data for 2025.
- Is tax revenue vs. electoral democracy index rising or falling in Nigeria?
- Over the last ten years it is down 8.8%. The long-run trend across the full record is volatile.
- Where does this Nigeria 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 — 112 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.