Very good question. Medicare can't be used outside of the US, territories, and maybe possessions, so paying for medicare outside of the US is a waste of money. It would be a small consolation if Obamacare had the same pattern.
“I hope not because I’m a expat and next year hopefully, won’t have to file another tax return”
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For me, I guess it is a moot point, since I no longer pay any US tax at all.