At least in the USA, its very hard to expatriate to avoid taxes. IIRC it requires a one-time payment of ~40% of your net-worth and you to have citizenship some

At least in the USA, its very hard to expatriate to avoid taxes. IIRC it requires a one-time payment of ~40% of your net-worth and you to have citizenship somewhere else. Other countries could follow suit, though the USA probably has the easiest time enforcing due to its global hegemony.