Once you leave your own country other countries aren't to fussed how you make your money as long as you can pay your rent. But afaik American's for example always get to report back to the IRS even if they leave the USA. Kinda ridiculous that "the land of the free" is charging you money / exit tax when you decide that you had enough. I've travelled for most of my life and in line with that stopped paying taxes many years ago. On the flip side, I wont get a pension so that's the trade-off you have to expect.