If you earn a reasonable amount in any country you can save for retirement. If you start young you can save way more than you need. It will mean buying a house

If you earn a reasonable amount in any country you can save for retirement. If you start young you can save way more than you need. It will mean buying a house that much cheaper than the best you can afford. You'll probably have to budget so you can keep track of your money. If look at this study https://www.ramseysolutions.com/retirement/the-national-study-of-millionaires-research https://www.ramseysolutions.com/retirement/the-national-stud... most got wealthy by saving. These are not billionaires but they will have very comfortable retirements.