Corporate Tax Rate Spurs Political Fight With More Than $1 Trillion at Stake

The 21% U.S. corporate tax rate is the biggest single variable in the sprawling 2025 tax debate, and the two parties are trying to turn that dial in opposite directions with major consequences for companies’ profits and federal revenue. 

The rate could climb as high as 28% if Democrats sweep November’s elections and move as low as 15% if Republicans gain full power.

President Biden’s plan for a 28% rate would reverse half of Republicans’ 2017 rate cut, pushing the U.S. corporate rate back near the highest among major economies. A 15% rate—some Republicans are heading that way, but the party hasn’t settled on a plan—would match the lowest level since 1935, boosting profits and rewarding shareholders. Presumptive Republican presidential nominee Donald Trump told corporate executives last week that he wanted a 20% rate.