1% in 2018 tax year was $540,009 [1]. We have NOT seen ~60% inflation since then. I hope you are joking, it isn't obvious at all. If you're not, please site your reasoning / sources.

[1]: https://www.irs.gov/statistics/soi-tax-stats-tax-stats-at-a-...

And that comes from the distributional financial accounts

https://www.federalreserve.gov/releases/z1/dataviz/dfa/index...

And also, IRS is adjusted gross income, not income.

Households, not people