Results according to The Associated Press.

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The first candidate to reach 1,144 delegates wins the Republican nomination. Most of the delegates are awarded through state primaries and caucuses. Other delegates, mostly members of the Republican National Committee, are free to endorse any candidate they choose at any time, even before a primary. The Associated Press includes such delegates in its tally once they declare a candidate preference.

May 15

May 8

April 24

April 3

March 24

March 20

March 18

March 17

March 13

March 10

March 6 (Super Tuesday)

March 3

February 28

February 4-11

February 7

February 4

January 31

January 21

January 10

January 3