Jeb Bush is the former governor of Florida.
Dr. Ben Carson is the former head of pediatric neurosurgery at Johns Hopkins University in Baltimore, Maryland.
The Republican governor of New Jersey also wants to be president.
Ted Cruz is a senator from Texas.
Carly Fiorina is the only Republican woman so far running for president.
Lindsey Graham is a Republican senator from South Carolina and a military veteran.
Lincoln Chafee is a former senator and governor of the small state of Rhode Island.
The 2016 election is Hillary Clinton’s second run for the White House.
Martin O’Malley is a former governor of the state of Maryland and a former mayor of Baltimore, a city in Maryland.
Former Virginia Senator Jim Webb is a late addition to the group seeking the Democratic Party nomination for president.