Interestingly, the US is perhaps the only major country that makes capital flight like that in France quite difficult: upon renouncing citizenship, there is ess

Interestingly, the US is perhaps the only major country that makes capital flight like that in France quite difficult: upon renouncing citizenship, there is essentially an immediate wealth tax imposed. The US is also the only major country to demand citizens file US income taxes even though they may never visit or earn in the US for the entire year.