There are 65 prominent people who might run for president in 2016.

The Democratic and Republican fields contrast sharply. Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE is the clear front-runner, while there is no front-runner on the Republican side.

Twenty-three Democrats have been mentioned as a candidate or are eyeing a bid, according to an analysis by The Hill. The GOP side has 42.

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Most of the people on this list won’t run, and some have adamantly claimed that they’re not interested. But many politicians have changed their minds on seeking the White House. Before mounting his 2008 bid, then-Sen. Barack Obama Barack Hussein ObamaMomentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina Majority of voters say Trump should not nominate a Supreme Court justice: poll MORE (D-Ill.) said he wasn’t running.

The following is The Hill’s list of 65 people who might run for president in 2016.

Democrats

Vice President Biden — Will he or won’t he? Polls show he is trailing Hillary Clinton badly. Last month, President Obama said Biden would be a “superb” commander in chief.

California Gov. Jerry Brown

Brown has run for president three times. He says a fourth is “not in the cards.”

Montana Gov. Steve Bullock — Bullock is seen more as a vice presidential possibility.

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Hillary Clinton — Will she run? Of course she will.

New York Gov. Andrew Cuomo — He would be a top contender if Clinton wasn’t running. But the ongoing corruption probe in New York looms over Cuomo’s head.

Howard Dean

The former Vermont governor and 2004 presidential candidate told CNN he hopes Clinton wins. But last year, he warned she wouldn’t get a pass in the Democratic primary.

Russ Feingold — The liberal darling mulled a 2008 bid before losing his reelection race in 2010.

Sen. Kirsten Gillibrand Kirsten GillibrandSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Suburban moms are going to decide the 2020 election Jon Stewart urges Congress to help veterans exposed to burn pits MORE (N.Y.) — Gillibrand has made it clear she backs Clinton. But if the former first lady doesn’t run, Gillibrand might.

Al Gore Albert (Al) Arnold Gore4 inconclusive Electoral College results that challenged our democracy Fox's Napolitano: 2000 election will look like 'child's play' compared to 2020 legal battles Who calls an election? Why we need patience and nonpartisanship this time MORE — Few think he will run, but political analyst Mark Halperin sparked new speculation on “Morning Joe” last month, when he said the former vice president might challenge Clinton.

New Hampshire Gov. Maggie Hassan — She might opt to run for the Senate in 2016.

Colorado Gov. John Hickenlooper — A popular governor who has indicated he won’t run.

John Kerry John Forbes KerryThe Memo: Warning signs flash for Trump on debates Divided country, divided church TV ads favored Biden 2-1 in past month MORE

The secretary of State absolutely ruled out a 2016 campaign earlier this year. But then again, so did Barack Obama before he ran in 2008.

Sen. Amy Klobuchar Amy KlobucharThe Hill's Morning Report - Sponsored by The Air Line Pilots Association - White House moves closer to Pelosi on virus relief bill EPA delivers win for ethanol industry angered by waivers to refiners It's time for newspapers to stop endorsing presidential candidates MORE (Minn.) — See Gillibrand. Klobuchar visited Iowa last year and will be back in the Hawkeye State this week to stump for Senate hopeful Rep. Bruce Braley Bruce Lowell BraleyThe Memo: Trump attacks on Harris risk backfiring 2020 caucuses pose biggest challenge yet for Iowa's top pollster OPINION | Tax reform, not Trump-McConnell feuds, will make 2018 a win for GOP MORE (D-Iowa).

Sen. Joe Manchin Joseph (Joe) ManchinMomentum growing among Republicans for Supreme Court vote before Election Day Gardner on court vacancy: Country needs to mourn Ginsburg 'before the politics begin' Barrett seen as a front-runner for Trump Supreme Court pick MORE (W.Va.) — There’s a Draft Joe Manchin effort out there, but the centrist is more likely to run for governor again should he leave the Senate.

Maryland Gov. Martin O'Malley — Uphill climb for O’Malley. How tough? Three members of the Maryland delegation (Sen. Barbara Mikulski Barbara Ann MikulskiForeign policy congressional committees need to call more women experts Lobbying World Only four Dem senators have endorsed 2020 candidates MORE and Reps. Steny Hoyer and John Delaney) have already said they would back Clinton in the Democratic primary.

Janet Napolitano

The Washington Post last year called the former governor and Cabinet official “a woman to watch in 2016.”

Missouri Gov. Jay Nixon — The unrest in Ferguson is a huge test for Nixon, whose last name wouldn’t be an asset if he runs.

Massachusetts Gov. Deval Patrick — Will likely run for president at some point, but not in 2016.

Sen. Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE — The liberal Sanders, who is technically an independent, has said he would challenge Clinton if no one else from the left launches a bid.

Brian Schweitzer — The former governor of Montana has had a rough summer.

Sen. Mark Warner Mark Robert WarnerIntelligence chief says Congress will get some in-person election security briefings Overnight Defense: Trump hosts Israel, UAE, Bahrain for historic signing l Air Force reveals it secretly built and flew new fighter jet l Coronavirus creates delay in Pentagon research for alternative to 'forever chemicals' House approves bill to secure internet-connected federal devices against cyber threats MORE (Va.) — Warner stunned political observers, when he didn’t run for president in 2008. He instead ran for the Senate and is up for reelection against Ed Gillespie this fall.

Sen. Elizabeth Warren Elizabeth WarrenBiden's fiscal program: What is the likely market impact? Warren, Schumer introduce plan for next president to cancel ,000 in student debt The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon MORE (Mass.) — Unlike Clinton, Warren has been busy on the campaign trail for Senate candidates.

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Jim Webb — The former senator is eyeing a long-shot bid.

Republicans

Sen. Kelly Ayotte Kelly Ann AyotteBottom line Bottom line Bottom Line MORE (N.H.) — Ayotte, who is up for reelection in 2016, is already being discussed as a vice presidential pick.

Rep. Michele Bachmann Michele Marie BachmannEvangelicals shouldn't be defending Trump in tiff over editorial Mellman: The 'lane theory' is the wrong lane to be in White House backs Stephen Miller amid white nationalist allegations MORE (Minn.) — Tea Party favorite has said she might run again in 2016.

Former Mississippi Gov. Haley Barbour — Barbour is well liked by the GOP establishment and was included in a Republican National Committee straw poll in January.

Rep. Marsha Blackburn Marsha BlackburnDemocrats smell blood with new DHS whistleblower complaint Hillicon Valley: Election officials prepare for new Russian interference battle | 'Markeyverse' of online fans helps take down a Kennedy | GOP senators unveil bill to update tech liability protections GOP senators unveil new bill to update tech liability protections MORE (Tenn.)

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Blackburn denied a report she is mulling a bid.

John Bolton — The former U.S. ambassador to the United Nations is leaving the 2016 door open.

Scott Brown — Brown is the underdog in his race against Sen. Jeanne Shaheen Cynthia (Jeanne) Jeanne ShaheenSenate Democrats introduce bill to sanction Russians over Taliban bounties Trump-backed candidate wins NH GOP Senate primary to take on Shaheen Democratic senator urges Trump to respond to Russian aggression MORE (D-N.H.).

Jeb Bush — Bush fatigue would be a significant obstacle for the former Florida governor.

Herman Cain — Jon Stewart prayed on the air that Cain would run again.

Ben Carson

Carson is a rising star in the GOP.

New Jersey Gov. Chris Christie — Bridge-gate hasn’t deterred Christie, who sounds like he’s going to be a candidate.

Sen. Ted Cruz Rafael (Ted) Edward CruzVideo of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral Sunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Democrat on Graham video urging people to 'use my words against me': 'Done' MORE (Texas) — Tea Party star must convince kingmakers that he can beat Clinton.

Mitch Daniels — The ex-governor of Indiana decided against running in 2012 because of family concerns.

Oklahoma Gov. Mary Fallin — The former House member is in the mix of speculation.

Tennessee Gov. Bill Haslam — He says he’s not interested in running.

Newt Gingrich — The 2012 presidential candidate and ex-Speaker might run again. Asked by Fox News’s Greta van Susteren about throwing his hat in the ring, Gingrich responded, “Ask me that in January of 2015.”

South Carolina Gov. Nikki Haley — Haley is always mentioned as a possible candidate.

Mike Huckabee

Huckabee’s poll numbers are quite good.

Louisiana Gov. Bobby Jindal — The former House member knows policy inside and out, but he would have to stand out amid the many personalities that will be on the 2016 stage.

Ohio Gov. John Kasich — Will Kasich and Ohio Sen. Rob Portman Robert (Rob) Jones PortmanRomney undecided on authorizing subpoenas for GOP Obama-era probes Congress needs to prioritize government digital service delivery House passes B bill to boost Postal Service MORE both run? Regardless, Ohio is a must win for the GOP in 2016.

Rep. Pete King (N.Y.) — A frequent critic of Sens. Ted Cruz (Texas) and Rand Paul Randal (Rand) Howard PaulSecond GOP senator to quarantine after exposure to coronavirus GOP senator to quarantine after coronavirus exposure The Hill's Morning Report - Sponsored by National Industries for the Blind - Trump seeks to flip 'Rage' narrative; Dems block COVID-19 bill MORE (Ky.).

Rep. Steve King (Iowa) — A kingmaker in Iowa and a hard-liner on immigration.

New Mexico Gov. Susana Martinez

The first female Hispanic governor is not expected to run for president. But she will be a leading vice presidential candidate.

Rep. Cathy McMorris Rodgers Cathy McMorris RodgersHillicon Valley: Trump backs potential Microsoft, TikTok deal, sets September deadline | House Republicans request classified TikTok briefing | Facebook labels manipulated Pelosi video Top House Republicans request classified TikTok briefing More than 100 lawmakers urge IRS to resolve stimulus payment issues MORE (Wash.) — She has a bright future, though a presidential run in 2016 probably isn’t in the cards.

Sarah Palin — The RNC put her in its straw poll, but most think the former Alaska governor will remain on the sidelines.

Sen. Rand Paul (Ky.) — Paul, who is up for reelection in 2016, looks like a sure bet to run for president. Of all the possible 2016 GOP hopefuls, Paul has arguably had the best 2014.

Indiana Gov. Mike Pence — Pence is a dark horse who shouldn’t be overlooked. The former House member was Tea Party before the Tea Party existed and is well respected by social and fiscal conservatives.

Texas Gov. Rick Perry

Comebacks are common in politics, but can Perry pull it off? He has two things going for him: The border crisis has put him front and center on the national stage, and the right has rallied behind him in the wake of his indictment in Texas.

Sen. Rob Portman (Ohio) — Portman, who is up for reelection in 2016, is headed to New Hampshire next week.

Condoleezza Rice — The former secretary of State routinely comes up in this conversation, but the chances of a Rice bid are remote.

Rep. Mike Rogers (Mich.) — The retiring House member and soon-to-be talk-radio host hasn’t ruled out a run.

Mitt Romney — The rumors of another Romney run continue to persist.

Sen. Marco Rubio Marco Antonio RubioSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Florida senators pushing to keep Daylight Savings Time during pandemic Hillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll MORE (Fla.)



Rubio will have to decide whether to run for president or reelection in 2016. As he said, “you can’t be on the ballot for two different offices” in Florida.

Rep. Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (Wis.) — He seems more intent on becoming Ways and Means Committee chairman than running for president.

Nevada Gov. Brian Sandoval — It’s more likely that Sandoval would challenge Senate Majority Leader Harry Reid Harry Mason ReidGraham signals support for confirming a Supreme Court nominee this year Trump signals he will move to replace Ginsburg 'without delay' Senate Republicans signal openness to working with Biden MORE (D-Nev.) in 2016.

Rick Santorum

The former Pennsylvania senator is being overlooked in the 2016 race. He did, after all, win the Iowa caucus in 2012.

Joe Scarborough — The host of MSNBC’s “Morning Joe” is certainly eyeing a return to public office. Will it come sooner or later?

Sen. Tim Scott Timothy (Tim) Eugene ScottAuthor Ryan Girdusky: RNC worked best when highlighting 'regular people' as opposed to 'standard Republicans' Now is the time to renew our focus on students and their futures GOP lobbyists pleasantly surprised by Republican convention MORE (S.C.) — He probably won’t run but will be discussed as a possible No. 2 on the ticket.

Michigan Gov. Rick Snyder — He faces a challenging reelection race in November.

Sen. John Thune John Randolph ThuneWhat Senate Republicans have said about election-year Supreme Court vacancies The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Trump contradicts CDC director on vaccine, masks MORE (S.D.) — Thune nearly ran in 2012, and he has more than $9.5 million in his campaign war chest.

Donald Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE —Trump might run, but don’t bet on it.

Wisconsin Gov. Scott Walker — Walker first has to win reelection this year.

Allen West — The former congressman from Florida is mulling a bid.

— Vivian Hughbanks and Tomas Navia contributed.