From the Gallup Poll.Quarterly averages for party identification and leaning are based on telephone interviews conducted with combined random samples of 3,000+ adults, aged 18 and older, living in all 50 U.S. states and the District of Columbia.

From the Gallup Poll.Quarterly averages for party identification and leaning are based on telephone interviews conducted with combined random samples of 3,000+ adults, aged 18 and older, living in all 50 U.S. states and the District of Columbia.