The top income tax bracket in 2025 is 37%, for income earned over $751,600 (~$69,000 in 1960, married filing jointly).
In 1960, >$20,000 and <$24,000 was 38% (married filing jointly). (~$219,000 to ~$263,000 in 2025 dollars). The top tax bracket then was 91%, with all sorts of steps between 38% and 91%.
It is worth noting that:
The top income tax bracket in 2025 is 37%, for income earned over $751,600 (~$69,000 in 1960, married filing jointly).
In 1960, >$20,000 and <$24,000 was 38% (married filing jointly). (~$219,000 to ~$263,000 in 2025 dollars). The top tax bracket then was 91%, with all sorts of steps between 38% and 91%.