Young Americans are more likely than the general public to favor a government-run universal health care insurance system, an open-door policy on immigration and the legalization of gay marriage, according to a New York Times/CBS News/MTV poll. The poll also found that they are more likely to say the war in Iraq is heading to a successful conclusion.

In a snapshot of a group whose energy and idealism have always been as alluring to politicians as its scattered focus and shifting interests have been frustrating, the poll found that substantially more Americans between the ages of 17 and 29 than four years ago are paying attention to the presidential race. But they appeared to be really familiar with only two of the candidates, Senators Barack Obama and Hillary Rodham Clinton, both Democrats.

They have continued a long-term drift away from the Republican Party, and although they are just as worried as the general population about the outlook for the country and think their generation is likely to be worse off than that of their parents, they retain a belief that their votes can make a difference, the poll found.

More than half of Americans between 17 and 29 years old — 54 percent — say they intend to vote for a Democrat for president in 2008. They share with the public at large a negative view of President Bush, who has a 28 percent approval rating with this group, and of the Republican Party. They hold a markedly more positive view of Democrats than they do of Republicans.