The federal budget over time...
2026 - $7.5 trillion
2020 - $4.8 trillion
2015 - $3.9 trillion
2010 - $3.7 trillion
https://fred.stlouisfed.org/series/FGEXPND
We do not have a tax problem, we have a spending problem. There's no reason that the US federal government shouldn't be able to operate on a budget equivalent of about $4 trillion which was just about the average from 2010-2020. There seems to be quite a lot available to cut.