https://fred.stlouisfed.org/series/FYFRGDA188S
The top quintile of income earners in the US pay 34% of all taxes. The next quintile 26% .
https://taxfoundation.org/research/all/federal/who-pays-taxe...
US Federal spending was 7 Trn in 2025. This is surely enough to fund things.
https://fiscaldata.treasury.gov/americas-finance-guide/feder...
That is more than the total GDP of any country except China and the US itself.