smoeone want to explain to me how this is a problem

Posted on: July 12, 2020 at 15:20:16 CT

According to a report earlier this year from the non-partisan Pew Research Center, the richest families in America now take home 48% of aggregate income in the U.S. versus 29% in 1970, (with the top 5% fairing best of all.) Middle-class income fell from 62% to 43% over the same period.

So, by my reading, 20% of America moved UP from middle class to upper class

https://finance.yahoo.com/news/america-we-have-a-problem-115714416.html