Presidential Delegate Timeline

Who wins the Democratic and Republican presidential primary races will be determined by who gets a majority of delegates. Below is a chart showing how the candidates have amassed delegates on primary days. Please upgrade your Flash plug-in to view our enhanced content.

1) Updated June 4, 2008 at 5:48 p.m. All delegate totals are provided by the Associated Press and include estimated numbers of unpledged delegates committed to candidates of both parties. The AP tracks the delegate totals by projecting the number of national convention delegates won by candidates in each presidential primary or caucus, based on state and national party rules, and by interviewing unpledged delegates to obtain their preferences. An estimated 797 "unpledged" or "super" delegates will attend the Democratic Party's national convention. An estimated 582 unpledged delegates will attend the Republican Party's national convention. The total number of a state's projected delegates may not be added to a candidate's total at the time that state's winner is declared. Additionally, a state's super delegates or unpledged delegates may commit to a candidate at any time until the party convention.
2) John Edwards withdrew from the race on on Jan. 30, 2008. Eight delegates pledged to Edwards in Iowa later were committed to Obama at a state Democratic convention. Edwards endorsed Obama on May 14, 2008. Subsequently, some delegates pledged to Edwards in Iowa, New Hampshire and South Carolina committed to Obama.
3) Mitt Romney withdrew from the race on Feb. 7, 2008, and endorsed John McCain on Feb. 14. Delegates pledged to Romney in Michigan were reapportioned to McCain and Mike Huckabee at a state GOP convention. The eight Wyoming delegates pledged to Romney are now unpledged delegates. Of the 18 delegates that Romney won in Maine, 17 were reapportioned to McCain and 1 to Paul.
4) Mike Huckabee withdrew from the race on Mar. 4, 2008.
5) On May 31, Democratic Party officials voted to seat delegates from Florida and Michigan at the party convention in August but only allow each delegate half a vote.

SOURCE: Associated Press | GRAPHIC: By Cristina Rivero, The Washington Post and Alyson Hurt,

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