Table 10 International Comparison of tax and social security burdens 1996 Country Percentage of National Income(%) Tax burden Social Security burden Total Japan 23.1 13.3 36.4 U.S.A. 26.4 10.1 36.5 U.K. 39.0 10.2 49.2 Germany 30.0 26.4 56.4 France 35.1 29.0 64.1 Sweden 51.0 22.2 73.2