You kind of pay the maximum of the US and domestic tax rates, after some possible deduction, though not exactly the case given how it gets calculated. But yes,

You kind of pay the maximum of the US and domestic tax rates, after some possible deduction, though not exactly the case given how it gets calculated. But yes, all income worldwide is taxed for US citizens. If you're curious, see: http://www.irs.gov/publications/p54/index.html http://www.irs.gov/publications/p54/index.html