Rubio rises as Vance falters in early 2028 Trump succession race

Marco Rubio’s latest surge in 2028 chatter is being driven by two different forces at once: real institutional power inside Donald Trump’s White House and a wave of online hype that can outrun the underlying math. The secretary of state, who also serves as national security adviser, has moved from being seen as a loyal survivor of the Trump era to a plausible heir in a Republican field that still belongs, in large part, to Trump himself.

Trump helped set that speculation in motion in a May 2025 interview when he named Rubio and JD Vance as possible successors, putting Rubio first. Since then, Rubio has kept publicly out of a fight with Vance, saying he would not challenge the vice president for the 2028 nomination. In a December 2025 interview, Rubio said that if Vance runs, Vance would be the nominee and Rubio would be among the first to support him.

Inside the West Wing, Rubio’s standing has climbed for more concrete reasons. He has been credited with handling foreign-policy crises, especially Venezuela, where his push against Nicolás Maduro has won him admirers among some of Trump’s closest confidantes and parts of the MAGA base. His allies also point to something less visible but just as valuable in Trump-world politics: he has avoided the sort of public missteps that can end a presidential conversation before it starts.

The numbers suggest Rubio is no longer an afterthought. At CPAC’s 2026 straw poll, Vance led with 53 percent, but Rubio jumped to 35 percent from just 3 percent the year before. That is still a gap, but it is also a striking climb in a conservative activist universe that rarely rewards second acts. Vance remains the clearer front-runner because he is vice president and continues to hold higher standing in Republican polling, yet Rubio’s rise has become impossible to dismiss.

The buzz intensified again after Rubio filled in for Karoline Leavitt at the White House briefing room on May 5 and took questions for more than 50 minutes on Iran, Latin America, the Vatican and gas prices. The appearance triggered #Rubio2028 on X and turned a routine briefing into a de facto audition. By May 8, Rubio was headed to the Vatican to meet Pope Leo XIV, extending the image of a secretary of state being tested in public roles that broaden his national profile.

For now, the story is less about a declared race than about power in a Trump-dominated party. Rubio’s support looks real enough to matter, but the gap between meme momentum and institutional backing still leaves Vance with the most obvious path, and Trump with the final word.