Democrats now depend as much on affluent voters as on low-income voters. Democrats represent a majority of the richest congressional districts, and the party’s elected officials are more responsive to the policy agenda of the well-to-do than to average voters. The party and its candidates have come to rely on the elite 0.01 percent of the voting age population for a quarter of their financial backing and on large donors for another quarter.

The gulf between the two parties on socially fraught issues like abortion, immigration, same-sex marriage and voting rights remains vast. On economic issues, however, the Democratic Party has inched closer to the policy positions of conservatives, stepping back from championing the needs of working men and women, of the unemployed and of the so-called underclass.

Read the article “How Did the Democrats Become Favorites of the Rich?” on mobile.nytimes.com.