Actually a couple of years ago when I went to Dubai, the government was just sharing its petrol profits with its citizens, and it was a decent amount of money.
Just look at their allowances. And cry. I wish our countries have something close to it.
https://u.ae/en/information-and-services/social-affairs/social-welfare/social-welfare-programmes
The closest it gets to "healthy" is probably in Norway where they have the Pension fund. They own about 2% of the entire global stockmarket.