Both parties officially nominate their candidates for presidency at their conventions. The Republican Party selects its presidential candidate by means of delegates chosen in individual states through caucuses and primary elections. While the Democratic Party uses a proportional method of choosing delegates.
<span>Process. Both major political parties of the U.S.—the Democratic Party and the Republican Party—officially nominate their candidate for President
at their respective national conventions. Each of these conventions is
attended by a number of delegates selected in accordance with the given
party's bylaws.</span>
