Tax revenue as share of GDP vs. income inequality in Sudan
Sudan: Tax revenue as share of GDP vs. income inequality was 3.1% in 2020. ▼ Falling
Tax revenue as share of GDP vs. income inequality in Sudan, 1981–2020
Source: UNU-WIDER Government Revenue Dataset (2025) – with major processing by Our World in Data. Measured in % of GDP.
Analysis
The most recent figure for tax revenue as share of gdp vs. income inequality in Sudan is 3.1%, measured in 2020. That is the lowest value across all 40 years on record.
That represents a change of down 43.9% on the previous year and down 47.4% over ten years.
Over the whole period, tax revenue as share of gdp vs. income inequality in Sudan peaked at 13.5% in 1983 and was at its lowest, 3.1%, in 2020.
Sudan ranks 183rd of 187 countries on this measure, in the bottom quarter.
The long-run direction has been consistently falling across the 40 years of available data.
Tax revenue as share of GDP vs. income inequality in Sudan, year by year
| Year | % of GDP | Change |
|---|---|---|
| 1981 | 9.9% | — |
| 1982 | 12.3% | +24.4% |
| 1983 | 13.5% | +10.1% |
| 1984 | 12.5% | -7.7% |
| 1985 | 9.9% | -20.7% |
| 1986 | 9.5% | -3.9% |
| 1987 | 5.2% | -45.0% |
| 1988 | 6.9% | +32.6% |
| 1989 | 6.5% | -6.7% |
| 1990 | 6.7% | +3.9% |
| 1991 | 5.4% | -19.2% |
| 1992 | 7.7% | +42.9% |
| 1993 | 6.8% | -11.7% |
| 1994 | 6.2% | -9.4% |
| 1995 | 5.5% | -12.0% |
| 1996 | 5.1% | -6.7% |
| 1997 | 5.6% | +10.7% |
| 1998 | 5.8% | +2.3% |
| 1999 | 5.7% | -1.7% |
| 2000 | 4.7% | -17.7% |
| 2001 | 4.6% | -0.4% |
| 2002 | 4.5% | -3.7% |
| 2003 | 4.8% | +8.4% |
| 2004 | 6.1% | +26.5% |
| 2005 | 5.5% | -10.1% |
| 2006 | 5.2% | -5.8% |
| 2007 | 5.4% | +5.0% |
| 2008 | 5.7% | +4.0% |
| 2009 | 6.4% | +13.3% |
| 2010 | 5.9% | -8.9% |
| 2011 | 5.5% | -6.6% |
| 2012 | 6.1% | +12.5% |
| 2013 | 6.3% | +3.1% |
| 2014 | 5.7% | -10.8% |
| 2015 | 6.0% | +6.6% |
| 2016 | 4.7% | -22.1% |
| 2017 | 5.1% | +8.9% |
| 2018 | 6.8% | +32.7% |
| 2019 | 5.5% | -19.1% |
| 2020 | 3.1% | -43.9% |
Sudan compared with similar countries
- Sudan's 3.1% is below the median for low income countries, which is 9.5%, 33% of the median. (21 countries reporting)
- Sudan's 3.1% is below the median for Sub-Saharan Africa, which is 13.5%, 23% of the median. (45 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 9.6% | 5.2% | 13.5% | 9 |
| 1990s | 6.1% | 5.1% | 7.7% | 10 |
| 2000s | 5.3% | 4.5% | 6.4% | 10 |
| 2010s | 5.8% | 4.7% | 6.8% | 10 |
| 2020s | 3.1% | 3.1% | 3.1% | 1 |
Countries ranked near Sudan
More poverty & inequality data for Sudan
- Number of income/consumption surveys in the past decade available via the World Bank 0 surveys (2025)
- Number of income/consumption surveys in the past decade available via 0 surveys per person (2025)
- Number of income/consumption surveys in the past decade available via 0 surveys per US$ of GDP (2025)
- Fertility rate vs. share living in extreme poverty 4.32 live births per woman (2023)
- Cereal yield vs. share in extreme poverty 580.3 kg per hectare (2024)
- Cereal yield vs extreme poverty, per unit of GDP 0 units per US$ of GDP (2024)
- Cereal yield vs extreme poverty, annual growth rate 27.57 % change on previous year (2024)
- Tax revenues vs income inequality, gaps filled 3.08 (2020)
- Tax revenues vs income inequality, per unit of GDP 0 units per US$ of GDP (2020)
- Tax revenues vs income inequality, annual growth rate -43.88 % change on previous year (2020)
Frequently asked questions
- What is tax revenue as share of gdp vs. income inequality in Sudan?
- Tax revenue as share of gdp vs. income inequality in Sudan was 3.1% in 2020, according to UNU-WIDER Government Revenue Dataset (2025) – with major processing by Our World in Data.
- What is the highest tax revenue as share of gdp vs. income inequality recorded in Sudan?
- The highest recorded value was 13.5% in 1983.
- What is the lowest tax revenue as share of gdp vs. income inequality recorded in Sudan?
- The lowest recorded value was 3.1% in 2020.
- How does Sudan rank for tax revenue as share of gdp vs. income inequality?
- Sudan ranks 183rd out of 187 countries with data for 2020.
- Is tax revenue as share of gdp vs. income inequality rising or falling in Sudan?
- Over the last ten years it is down 47.4%. The long-run trend across the full record is falling.
- Where does this Sudan data come from?
- The figures come from UNU-WIDER Government Revenue Dataset (2025) – with major processing by Our World in Data, published as part of Tax revenue as share of GDP vs. income inequality. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 40 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Taxes include direct and indirect taxes as well as social contributions. The Gini coefficient measures inequality on a scale from 0 to 1. Higher values indicate higher inequality.