Yes, unless they renounce. They might also not be able to invest in their home country and things like the sale of their home are taxed by the US. Starting a bu

Yes, unless they renounce. They might also not be able to invest in their home country and things like the sale of their home are taxed by the US. Starting a business or buying an etf are also fraught with peril. The only other remotely similar country is Eritrea