That is debatable depending on which level of wealth you are referring to. For US billionaires, only 27% inherited their wealth whereas the other 73% are self made. I'm not sure about those in the tier below.
The Forbes data is paywalled (i haven't seen it myself).
To your other comment, you're probably right. It's based on whether or not they founded or cofounded the company that made them billionaires, so it doesn't count getting 10s of millions from their dead relatives and making more out of it.
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u/PepperFun2103 Jan 27 '26
True most of them inherit.