Regular Tax Rates on Ordinary Income.
For Married Filing Jointly and Surviving Spouses the taxable income and applicable rates are:
from $0 to $19,750 10%
from $19,751 to $80,250 12%
from $80,251 to $171,050 22%
from $171,050 to $326,600 24%
from $326,601 to $414,700 32%
from $414,701 to $622,050 35%
Over $622,051 37%
See IRS Publication 17.