Income tax
Contested roll calls on bills the Library of Congress files under Income tax. Each member's score here is their whole-career share of those votes that sided with the Democratic majority.
Members on Income tax
The 50 members with the most contested Income tax votes, of 530 who have cast one and 95 with enough to score. A further 7 voted in the area but never on a contested question. Blue bars sided with the Democratic majority more often than not; red bars with the Republican majority.