Income Tax by Country, 2004: CountrySingle person without childrenOne-earner family with two children Australia24.3%24.3% Austria10.88.1 Belgium26.615.2 Canada17.813.9 Czech Republic11.45.3Denmark 30.6 25.4 ... Korea, South2.21.4 Luxembourg8.90.0 Mexico3.03.0 Netherlands8.58.3 New Zealand20.720.7 Norway20.918.0 Poland6.14.1 Portugal5.60.4 Slovakia7.9–5.3 Spain12.74.3 Sweden24.024.0 Switzerland9.85.1 Turkey15.415.4 United Kingdom15.98.1 United States16.52.4 Source: Organization for Economic Cooperation and Development, Paris, France,Taxing Wages, 2003–2004(copyright). FromStatistical Abstract of the United States: 2006.