As of the latest figures there are deemed to be 196 countries in the world. Now because of U.S. based taxation and the Foreign Account Tax Compliance Act, U.S. citizens will be unable to live and work in all but one of those countries the U.S.
It is forbidden by the U.S. government that it’s non-resident citizens be allowed to live the same lives as those of their compatriots. How this cannot be seen as a violation of the Human Rights of U.S. citizens by the U.S. government is hard to fathom. When restrictions on your life abroad are so onerous as to discourage you from seeking to live outside of the jurisdiction of the land of your birth then surely you are the victim of oppression.