But she also said that she was interested in Ms. Warren and wanted to hear her speak.
Jiego Lim, an 18-year-old student at the University of Nevada, Reno, who volunteered for Mr. Sanders' event there said he supported Mr. Sanders, but was also intrigued by Mayor Pete Butigig and Senator Kamala Harris. "I feel we need a new face in politics," he said. "Bernie is sometimes aggressive towards me."
Others were less categorical.
"He is the father of America," suggested Gabriel Oliver, 19, a student at Renault. "I love Bernie."
[ ] Here are the latest figures about who is running for the Democratic nomination.]
And in most polls, Mr. Sanders still supports strong leadership among young voters: A recent NBC / Wall Street Journal poll shows that one-third of voters under 35 support it.
Yet, at the same time, a quarter of the respondents stated that they supported Ms Warren suggesting that Mr Sanders no longer had the same position in the group in 2016.
Each candidate relying on The support of younger voters faces an undeniable challenge: Younger voters tend not to vote in large numbers than other groups. In the 2016 election, for example, only 11 percent of voters under 30 voted in Iowa's caucuses, which represents only 15 percent of the total, as calculated by the Civic Training Information and Research Center and Engagement at Tufts University.
But the high turnout among young voters during the 2018 midterm elections has given some experts hope that the 2020 election will be different. This strong performance provided the organizers with a larger pool to identify and target potential presidential voters. Issues, including climate change, criminal justice, health and arms control, also motivate young voters to act.