1% of world?
If you earn $60,000 a year after tax and you don't have kids, you're in the richest 1 percent of the world's population. If you have a household income of $130,000 after tax and you've got a partner and one kid, you're also in the richest 1 percent.
https://www.vox.com/future-perfect/2023/9/15/23874111/charity-philanthropy-americans-global-rich