Mitt Romney (L) is frontrunner but there is a long way to go in the race
Mitt Romney (L) is frontrunner ahead of Newt Gingrich but there is a long way to go in the race (Reuters)

Full Primary/Caucus Calendar

January 3, 2012 Iowa (caucus results)

Analysis: What do the results mean for the front runners?

January 10, 2012 New Hampshire (primary results)

Analysis: Why the New Hampshire poll supported Ron Paul

January 21, 2012 South Carolina (primary results)

Preview: Santorum or Gingrich need to take Romney on 'one on one'

Analysis: Newt Gingrich shows his resliance

January 31, 2012 Florida (primary results)

Preview: Romney set to win Florida, but at a Cost

Analysis: Gingrich wants Santorum and Paul to drop out

February 4, 2012 Nevada (caucus results)

Preview: Romney poised to win again in Mormon country

Analysis: Another big win for Romney but what does it mean for the other contenders?

February 7, 2012 Colorado (caucus results)
Minnesota (caucus results)
Missouri (primary results)

Preview: Santorum on a brink of another comeback, Gingrich sinks away

February 11, 2012 Maine (caucus)

February 28, 2012 Arizona (primary)
Michigan (primary)

March 3, 2012 Washington (caucus)

March 6, 2012 (Super Tuesday)
Alaska (caucus)
Georgia (primary)
Idaho (caucus)
Massachusetts (primary)
North Dakota (caucus)
Ohio (primary)
Oklahoma (primary)
Tennessee (primary)
Vermont (primary)
Virginia (primary)

March 6-10, 2012 Wyoming (caucus)

March 10, 2012 Kansas (caucus)
U.S. Virgin Islands (caucus)

March 13, 2012 Alabama (primary)
Hawaii (caucus)
Mississippi (primary)

March 17, 2012 Missouri (GOP caucus)

March 18, 2012 Puerto Rico (primary)

March 20, 2012 Illinois (primary)

March 24, 2012 Louisiana (primary)

April 3, 2012 District of Columbia (primary)
Maryland (primary)
Wisconsin (primary)
Texas (primary)

April 24, 2012 Connecticut (primary)
Delaware (primary)
New York (primary)
Pennsylvania (primary)
Rhode Island (primary)

May 8, 2012 Indiana (primary)
North Carolina (primary)
West Virginia (primary)

May 15, 2012 Nebraska (primary)
Oregon (primary)

May 22, 2012 Arkansas (primary)
Kentucky (primary)

June 5, 2012 California (primary)
Montana (primary)
New Jersey (primary)
New Mexico (primary)
South Dakota (primary)

June 26, 2012 Utah (primary)

US 2012: What are Caucuses and Primaries?