下表中列出各国/各地区政府总税收（包括中央政府及地方政府税收）占国内生产总值（GDP）百分比。数据共有三种来源，每列为一个来源。点击表上部的任何一个箭头可以将这列的内容按升序或降序排列。

[编辑] 参考
 
1.^ 2009 Index of Economic Freedom, 美国传统基金会. Accessed on May 2, 2009. Note: Tax revenue as a percentage of GDP was obtained from the individual country pages, under the "Fiscal Freedom" section. The year for the data for each country is not mentioned, but the source claims to use the most recent data up to June 30, 2008.[1]
 2.^ Revenue Statistics 1965-2007, 2008 Edition. OECD (Organisation for Economic Co-operation and Development). ISBN 978-92-64-05139-3 (book), ISBN 978-92-64-05140-9 (ebook), and ISBN 978-92-64-05148-5 (CD). Publication date: October 15, 2008. The data is found in Table A. Total tax revenue as percentage of GDP. By OECD nation, and by regional averages. 1975 to 2006. With provisional data also for 2007.
 3.^ Taxation Trends in the EU. 2008 edition. 欧洲委员会. June 26, 2008 欧盟统计局 (Statistical Office of the European Communities) press release: Taxation trends in the EU. EU27 tax ratio at 39.9% of GDP in 2006. See note 2 at the end for the meaning of the 2-letter country codes. See also: 2-Letter Country Codes.
 4.^ For more info see the "fiscal freedom" section of this page: Kiribati information on economic freedom. Facts, data, analysis, charts and more. 美国传统基金会.
 5.^ Non-oil GDP. For more info see the "fiscal freedom" section of this page: Timor-Leste information on economic freedom. Facts, data, analysis, charts and more. 美国传统基金会.
 
[编辑] 深入阅读
 
下面这些可以提供某些国家更详细的税收信息。
 5506.0 - Taxation Revenue, Australia, 2005-06. April 3, 2007. 澳大利亚统计局.
 OECD Taxes as Share of GDP 1999-2005. Tax Policy Center (Urban Institute, 布鲁金斯学会).
 Tax revenue as an automatic fiscal stabiliser - a South African perspective. September 2002. By A.S. Swanepoel (South African Reserve Bank), and Nicolaas J. Schoeman (Department of Economics, 比勒陀利亚大学). South African Journal of Economic and Management Sciences (SAJEMS). See table 2 on page 576. Total taxes of 26.4% of GDP in 2001. Research Repository of the University of Pretoria, South Africa: [2]
 Tax-to-GDP ratio stands at 10pc. By Mubarak Zeb Khan. June 11, 2008. Dawn (Pakistan's oldest, and most widely-read English-language newspaper). Total taxes of 10% of GDP in 2007.