A very impressive animation in the New York Times shows how US tax rates have changed since the 1950s. What used to be a very progressive system has become one in which the very richest pay the lowest rate of tax. It’s not the top 1% who do best, or even the top 0.1%, it is a small subset of the top 0.01%.
See here for the animation: https://www.nytimes.com/interactive/2019/10/06/opinion/income-tax-rate-wealthy.html