Analyse des politiques fiscales
Revenue Statistics - final data on tax ratios for 2013
Final Revenue Statistics data for all OECD countries in 2013
These data show that tax ratios vary considerably across countries. (Chart A)
- In 2013, Denmark had the highest tax to GDP ratio (47.6%), followed by France, Belgium and Italy.
- In contrast, eight countries – Australia, Chile, Ireland, Korea, Mexico, Switzerland, Turkey and the United States – had tax ratios of below 30%.
- Mexico had the lowest ratio at 19.7% followed by Chile at 20.0%.
- The tax ratio in the OECD area as a whole (un-weighted average) rose by 0.9 percentage points from 2011 to 34.2% in 2013. (Table A)
- Relative to 2011, overall tax ratios rose in 27 OECD member countries and fell in 7.
- The largest increases in the ratio were in Denmark (2.2 percentage points), France (2.1), Italy and Portugal (2.0).
- Six other countries – Belgium, Finland, Hungary, Japan, Slovak Republic and the United States – saw increases between 1.7 and 1.9 percentage points from 2011 to 2013.
- The largest reductions were in Norway (1.5 percentage points) and Chile (1.2).
Key changes in the tax to GDP ratio of the main tax headings between 2012 and 2013
- Revenues from taxes on income (personal and corporate income taxes together) as a percentage of GDP increased from 11.1% in 2011 to 11.5% in 2013 on average. The largest increases were in Denmark and Portugal (1.9 percentage points). Norway and Chile reported the largest falls in this ratio (by 1.8 and 1.6 percentage points of GDP respectively). (Table B)
- There were increases in the corresponding ratios for:
- Social security contributions from 8.9 to 9.1%. (Table 13)
- Property taxes from 1.8 to 1.9%. (Table 21)
- Taxes on goods and services from 10.8 to 11.0%. (Table 23)
- The ratio was unchanged for payroll taxes at 0.4% of GDP in both years. (Table 19)
Tax revenues measured as a % of GDP should be interpreted with caution
Aggregate tax ratios often figure prominently in policy debates and they are sometimes linked directly to the economic performance of nations. A special feature included in section S.2 of the 1999 edition of this Report explained why figures on tax revenues measured as a percentage of GDP should generally be interpreted with caution. More specifically, the revised guidelines set out in the 2008 System of National Accounts (SNA) that have been used to estimate the value of GDP for 31 of the 34 OECD countries, have resulting in higher GDP levels. As a consequence, the revised tax ratios reported in this publication are lower than tax to GDP ratios before these revisions. To limit any distortionary impact over the reporting period, the present edition of the Report employs revised GDP estimates for 1965 and later years in those cases where OECD countries have not reported revised GDP figures. The scale of the GDP revisions is considered in greater detail in the “Methodology issues” page.
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