One year ahead of the presidential election, a pervasive disquiet has shaped voter attitudes, with a majority of Republicans pessimistic about moral values and the increasing diversity of the nation's population and Democrats uneasy about an economy they see as tilted toward the rich.
By more than 2-1, voters say they are more worried than hopeful about changes in the country's morals and values. By nearly the same ratio, more worry than express hope about the changing national economy. And by 5-1 they say they are worried by how the nation's politics have changed.
Those concerns — detailed in a new USC Dornsife/Los Angeles Times poll, conducted online by SurveyMonkey — have been driving voter decisions about which candidates they favor for president. They have helped propel two nontraditional candidates, Donald Trump and Ben Carson, to the forefront of the Republican field.
Trump tops the field nationally, but barely, the poll found. He has support of 25 percent of Republican voters to Carson's 21 percent. Two Republican senators in their first terms, Marco Rubio of Florida and Ted Cruz of Texas, now provide the strongest challenges to the leaders. Rubio, who has gained endorsements from several GOP elected officials in recent days, moved into third place, with the support of 12 percent of Republican voters across the country; Cruz got 10 percent.
Jeb Bush, the party's one-time front-runner, fell to 4 percent, putting him in a tie with Carly Fiorina.
On the Democratic side, economic anxieties have helped fuel Vermont Sen. Bernie Sanders' challenge to the party's front-runner, Hillary Rodham Clinton. She received just under half the vote, 48 percent, nationally. Sanders got support from 3 in 10 Democratic voters, the poll found.
Martin O'Malley, the former governor of Maryland, continues to barely register, getting 2 percent nationwide.
Sanders has run an ideological campaign — emphasizing breaking up the nation's biggest banks and restricting big-money donations to politicians. His support reflects that; he runs much closer to Clinton among Democratic voters who identify themselves as liberal than among voters as a whole. He also does well among voters younger than 30.