Who's a contender in the White House race in 2008? The presidential candidates listed below have registered in either CNN or national polls. Candidates for each party are listed in order of popularity in the latest CNN/Opinion Research Corporation poll, along with any change in percentage points from the last poll.
Hillary Clinton
Status: Announced
The former first lady is now in her second term as the junior senator from New York.
Rudy Giuliani
Status: Announced
The two-term mayor of New York City once ran for the U.S. Senate, but dropped out in 2000.
Barack Obama
30%
5%
Status: Announced
The former lawyer and state senator won a U.S. Senate seat in Illinois in 2004.
Mike Huckabee
22%
12%
Status: Announced
Before he was a governor of Arkansas, Huckabee served as pastor to several churches.
John Edwards
Status: Announced
The former U.S. senator from North Carolina was the Democratic 2004 vice presidential candidate.
Mitt Romney
16%
5%
Status: Announced
The former Massachusetts governor made an unsuccessful run for the U.S. Senate in 1994.
Joe Biden
4%
1%
Status: Announced
The lawyer is serving his sixth term as U.S. senator from Delaware, and once ran for president in 1988.
John McCain
13%
3%
Status: Announced
The U.S. senator from Arizona ran for the GOP presidential nomination in 2000, but lost to George W. Bush.
Bill Richardson
Status: Announced
The New Mexico governor has also served in the U.S. House and as U.N. ambassador and U.S. energy secretary.
Fred Thompson
Status: Announced
The former U.S. senator from Tennessee also is known for acting, including his "Law and Order" role.
Chris Dodd
Status: Announced
Dodd has been a U.S. senator from Connecticut since 1981.
6%
1%
Status: Announced
The U.S. House member from Texas and medical doctor ran as a Libertarian for president in 1988.
Dennis Kucinich
Status: Announced
Kucinich represents an Ohio district in the U.S. House and also ran for the '04 Democratic presidential nomination.
Duncan Hunter
Status: Announced
Hunter has served as a U.S. representative from California since 1981.
Mike Gravel
Status: Announced
The former U.S. senator from Alaska now heads up a non-profit firm promoting civics and education.
Tom Tancredo
Status: Announced on December 20 that he was dropping out of race
He has represented his Colorado district in the U.S. House since 1998.