Tax rate comparison across countries is interesting to review. According to OECD data, the US tax rate is lower than other developed countries and OECD average.
a. 2016 Tax Rates for A Single Worker Couple by Country
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b. 2016 Tax Rates for A Couple with one earner and two children by Country
Source: Sorry America, Your Taxes Aren’t High, Bloomberg, April 11, 2017