About half of young Americans expect to be financially better off than their parents, according to a new poll, a sign that the dream of upward mobility is alive but somewhat tempered.

The poll, by The Associated Press-NORC Center for Public Affairs Research and MTV, found that half of 15- to 26-year-olds think they eventually will be better off than their parents in terms of household finances. About 29 percent expect to do as well as their parents, and 20 percent expect to be worse off.

Parents were slightly more optimistic: 60 percent think their children will do better than they did, a view that held true for parents across all income groups. Overall, only 12 percent of parents said that they felt their children might do worse.

It’s no longer a guarantee that children will achieve upward income mobility. About half of the Americans born in 1984 earned more at age 30 than their parents, down from 92 percent in 1940, according to the study by famed economist Raj Chetty and others that was released in 2016.

Jennifer Narvaez, 23, is among those who anticipates her financial future will be a bit brighter than that of her parents. Narvaez said she expects to have more opportunities as a college graduate to get a job and own a home than her parents, who grew up in Nicaragua and immigrated to the United States. The Miami resident holds an undergraduate degree in biology and is planning on attending medical school to become a cardiologist.

Narvaez is less certain about the prospects of the U.S. economy, particularly as the nation appears to be marching into a trade war with China.

“It’s a weird time,” she said. “I feel like it’s hard to predict what will happen because of the kind of administration we have.”

Alex Barner, 20, also felt optimistic that he might fare better than his mother, who had him at age 18 and raised him as a single mother. He is attending college in New Mexico and is considering a future career in business management.