As many posts have pointed out, the federal tax system is more progressive than many people believe. Higher-income people do pay higher rates and bear a larger share of the tax burden than people with lower incomes.
Once again, CBO stats make the point:
Data tables here.
The share of federal taxes paid by households in the top quintile of the income distribution increased from 55 percent in 1979 to 70 percent in 2023. Most of that increase was due to the change in the share of federal taxes paid by the top 1 percent of the distribution, which grew by 12 percentage points—from 14 percent in 1979 to 26 percent in 2023.