December 10: Democratic National Committeechair candidateJames Skoufis calls on the Democratic National Committee to maintain its current presidential nominating calendar that puts South Carolina first in the 2028 Democratic Party presidential primaries. Skoufis writes in a memo, "South Carolina has been placed at the forefront of the presidential nominating process. I believe they deserve a genuine opportunity for a competitive primary. The contest between Dean Phillips and Joe Biden was not a serious primary. So let’s have one.”[3]
December 22: New Hampshire Democratic Party Chairman Ray Buckley states his intention to try to work to return the first-in-the-nation Democratic Party presidential primary status back to New Hampshire in the 2028 presidential nominating calendar. In an interview with WMUR-TV, Buckley states, "We believe we have a very strong case to make. It's two years away. We think it's important that people [don't] think someone put a thumb on it, and we are awarded our position because we earned it."[4]
According to the Washington Post, presidential candidates tend to declare their candidacies about a year and a half before Election Day, with the median date in mid-March. However, some candidates declare much earlier, such as Donald Trump 721 days before Election Day, Andrew Yang 997 days before, and John Delaney 1,194 days before,[6] or some candidates declare at the very end, such as Kamala Harris in just 107 days before Election day following Joe Biden'swithdrawal from the race.
December 18: Electors to the Electoral College will meet at their respective state capitals on the first Monday after the second Wednesday of December and formally cast their votes for President and Vice President.[7]