No major candidates have formally declared a 2028 presidential bid as of early October 2026, with the serious field expected to take shape after the November midterms. JD Vance leads Republican polling and prediction markets as the perceived frontrunner, while Kamala Harris tops Democratic surveys amid a fragmented field that includes Gavin Newsom, Pete Buttigieg, and Alexandria Ocasio-Cortez. Recent developments include Marco Rubio stating in September he has no current plans to run, Josh Hawley ruling himself out, and Newsom indicating he would defer to Harris. Potential contenders continue testing waters through early-state visits, podcasts, and public hedging on timelines, with many citing post-midterm decisions. Historical patterns show announcements accelerating in the year after midterms, though structural factors like term limits and party dynamics shape individual paths.
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