Comparing Europe’s Tax Systems: International Tax Rules

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Today’s map looks at how European OECD countries rank on international tax rules and is the last in our series examining each of the five components of our 2019 International Tax Competitiveness Index (ITCI). International tax rules define how income earned abroad and income earned by foreign entities are taxed domestically, making them an important element of each country’s tax code.

The ITCI’s international tax rules component compares various aspects of OECD countries’ international tax systems, namely territoriality, withholding taxes, tax treaties, and international tax regulations such as controlled foreign corporations (CFC) rules and thin-capitalization rules.

Territoriality defines the extent to which foreign-earned dividends and capital gains are included in the domestic tax base. Tax treaties align many tax laws between two countries and attempt to reduce double taxation, partly by reducing or eliminating withholding taxes on dividends, interest, and royalties earned by foreign individuals and businesses. CFC rules and thin-capitalization rules seek to prevent multinational businesses from minimizing their tax liability through base erosion and profit shifting.

Click the link below to see an interactive version of OECD countries’ international tax rules rankings, then click on your country for more information about what the strengths and weaknesses of its tax system are and how it compares to the top and bottom five countries in the OECD.

Explore Our New Interactive Tool

Switzerland’s international tax system ranks highest in the OECD. Like most OECD countries, Switzerland operates a territorial tax system, fully exempting foreign-earned dividends and capital gains from domestic taxation. Switzerland has a broad tax treaty network of 93 countries. As a result, depending on the tax treaty, foreign entities from these countries are either not subject to the relatively high withholding tax rate of 35 percent on dividends and interest earned in Switzerland or pay a reduced rate. There is no withholding tax on royalties. Switzerland does not have CFC rules and its thin-capitalization rules are relatively lenient, minimizing potential distortionary effects on investment and growth.

Among European OECD countries, Poland has the least competitive international tax system (Chile ranks the lowest in the OECD). While Poland excludes foreign-earned dividends from its domestic tax base, it includes foreign-earned capital gains. Poland has a relatively broad tax treaty network (85 countries), but its CFC rules and thin-capitalization rules are among the strictest in the OECD.

To see whether your country’s international tax rules rank has improved in recent years, check out the table below. To learn more about how we determined these rankings, read our full methodology here.

International Tax Rule Component of the International Tax Competitiveness Index between 2017 and 2019 (for all OECD countries)

Source: 2019 International Tax Competitiveness Index

OECD Country 2017 Rank 2018 Rank 2019 Rank Change from 2018 to 2019
Australia (AU) 17 17 12 5
Austria (AT) 5 4 4 0
Belgium (BE) 10 10 25 -15
Canada (CA) 21 20 18 2
Chile (CL) 36 36 36 0
Czech Republic (CZ) 8 7 6 1
Denmark (DK) 23 25 29 -4
Estonia (EE) 6 6 11 -5
Finland (FI) 25 26 23 3
France (FR) 26 27 24 3
Germany (DE) 13 12 8 4
Greece (GR) 29 29 26 3
Hungary (HU) 4 3 2 1
Iceland (IS) 22 23 22 1
Ireland (IE) 12 14 13


Israel (IL)

33 33 33


Italy (IT)

28 28 27


Japan (JP)

24 24 21


Korea (KR)

34 34 34


Latvia (LV)

3 8 7


Lithuania (LT)

14 13 17


Luxembourg (LU)

2 2 5


Mexico (MX)

35 35 35


Netherlands (NL)

1 1 3


New Zealand (NZ)

15 15 9


Norway (NO)

19 19 20


Poland (PL)

32 32 32


Portugal (PT)

30 30 30


Slovak Republic (SK)

27 22 31


Slovenia (SI)

16 16 15


Spain (ES)

20 21 19


Sweden (SE)

9 9 14


Switzerland (CH)

7 5 1


Turkey (TR)

18 18 16


United Kingdom (GB)

11 11 10 1
United States (US) 31 31 28 3

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