Taxes paid to the country you live in count as a tax deduction, so in the common case that the host country has a higher tax rate than the US, a US citizen living abroad pays no tax to the US. And if you already have permanent residency somewhere else, changing your citizenship is not super difficult.
Taxes paid to the country you live in count as a tax deduction, so in the common case that the host country has a higher tax rate than the US, a US citizen living abroad pays no tax to the US. And if you already have permanent residency somewhere else, changing your citizenship is not super difficult.