Still lower?
https://www.propublica.org/article/the-secret-irs-files-trov...
If you want to know how the richest people also avoid all other taxes, like e. g. inheritance, watch NYT interview with a tax lawyer 'Salaries are for suckers' https://youtu.be/mX5U5DNUfBc?si=5vmLHY0GjGAC3X4o. It goes into the details of the tax system.