Based on a comparison of 127 countries in 2020, Denmark ranked the highest in tax revenue as a share of GDP with 34.1% followed by Seychelles and Namibia. On the other end of the scale was Somalia with < 0.001%, United Arab Emirates with 0.682% and Iraq with 1.34%.
Average tax revenue as a share of GDP reached 13.5% in 2020 in the World according to the National Statistical Office. This is 1.86 % less than in the previous year and 1.30 % more than 10 years ago.
Historically, average tax revenue as a share of GDP reached an all time high of 16.4% in 2000 and an all time low of 13.2% in 2009. The average annual growth amounted to 0.016 % since 1972.
Data for more countries are available at Tax Revenue (As % of GDP) indicator page.
| Tax Revenue (As % of GDP) | Unit | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 |
| Austria | % | 26.4% | 26.8% | 25.4% | 25.4% | 25.4% | ||||||||||||||||
| Denmark | % | 36.5% | 33.9% | 33.3% | 33.4% | 32.2% | ||||||||||||||||
| France | % | 23.2% | 23.2% | 23.1% | 23.6% | 24.2% | ||||||||||||||||
| Greece | % | 24.9% | 24.9% | 26.7% | 26.5% | 26.9% | ||||||||||||||||
| Italy | % | 24.8% | 24.7% | 25.1% | 24.7% | 24.2% | ||||||||||||||||
| Jamaica | % | 24.1% | 24.8% | 26.0% | 26.2% | 26.8% | ||||||||||||||||
| Luxembourg | % | 24.7% | 23.3% | 23.8% | 24.5% | 26.6% | ||||||||||||||||
| Malta | % | 26.0% | 24.3% | 25.2% | 25.0% | 25.0% | ||||||||||||||||
| Namibia | % | 34.6% | 33.4% | 30.1% | 31.7% | 29.2% | ||||||||||||||||
| Netherlands | % | 20.6% | 21.2% | 21.9% | 23.1% | 23.1% | ||||||||||||||||
| New Zealand | % | ... | 26.9% | 27.4% | 27.3% | 27.3% | 27.5% | |||||||||||||||
| Serbia | % | ... | ... | ... | ... | ... | ... | ... | 22.0% | 22.4% | 23.3% | 24.1% | 23.6% | |||||||||
| Seychelles | % | 29.1% | 28.8% | 30.3% | 31.1% | 31.5% | ... | ... | ||||||||||||||
| Sweden | % | 26.5% | 27.1% | 28.1% | 28.1% | 27.9% | ||||||||||||||||
| United Kingdom | % | 24.9% | 25.0% | 25.3% | 25.5% | 25.5% |
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