$47 trillion+.
The amount of wealth the "bottom 90%" (i.e. everybody except for the richest 1 out of 10) would have earned since 1975 if #income #inequality in the US had remained constant.
Shall we call that: not a small number. We could also call it other things.
From a 2020 RAND study. https://www.rand.org/pubs/working_papers/WRA516-1.html