For married individuals filing jointly:
10%: Up to $19,750
12%: Income between $19,750 to $80,250
22%: Income between $80,250 to $171,050
24%: Income between $171,050 to $326,600
32%: Income between $326,600 to $414,700
35%: Income between $414,700 to $622,050
37%: Income over $622,050
For unmarried individuals:
10%: Up to $9,875
12%: Income between $9,875 to $40,125
22%: Income between $40,125 to $85,525
24%: Income between $85,525 to $163,300
32% Income between $163,300 to $207,350
35%: Income between $207,350 to $518,400
37%: Income over $518,400
For heads of households:
10%: Up to $14,100
12%: Income between $14,100 to $53,700
22%: Income between $53,700 to $85,500
24%: Income between $85,500 to $163,300
32%: Income between $163,300 to $207,350
35%: Income between $207,350 to $518,400
37%: Income over $518,400
For married individuals filing separately:
10%: Up to $9,875
12%: Income between $9,875 to $40,125
22%: Income between $40,125 to $85,525
24%: Income between $85,525 to $163,300
32%: Income between $163,300 to $207,350
35% Income between $207,350 to $311,025
37%: Income over $311,025
https://www.irs.gov/pub/irs-drop/rp-19-44.pdf