Republican primary matchup

Marco Rubio vs Vivek Ramaswamy: 2028

Marco Rubio and Vivek Ramaswamy are both potential candidates for the Republican nomination in 2028. They would be competing for the same primary voters. No one has formally declared yet, so this is a comparison of where each stands, not a result.

Marco Rubio headshotMarco Rubio
U.S. Secretary of State
RepublicanLikely to run
15%Win-presidency snapshot
Age (2026)
55
Home state
Florida
Age in 2029
57
VS
Vivek Ramaswamy headshotVivek Ramaswamy
Entrepreneur; Ohio governor candidate
RepublicanPossible
Age (2026)
40
Home state
Ohio
Age in 2029
43

Percentages are a snapshot of the Polymarket 2028 presidential winner market (June 2026). They move constantly and mostly track name recognition this far out - they are not forecasts.

Marco Rubio: where things stand

Former 2016 candidate now serving as Secretary of State. Named by President Trump as a possible successor and widely seen as the main alternative to Vance.

Standing: In the top tier of 2028 Republican primary polling and widely seen as the main alternative to Vance; some mid-2026 polls have shown them close to tied.

Full Marco Rubio 2028 profile

Vivek Ramaswamy: where things stand

A biotech entrepreneur and 2024 Republican primary candidate, now running for governor of Ohio, who remains a prominent national voice and a name in 2028 speculation.

Standing: 2024 candidate; now running for Ohio governor.

Full Vivek Ramaswamy 2028 profile

Quick answers

Marco Rubio vs Vivek Ramaswamy: FAQ

Who would win, Marco Rubio or Vivek Ramaswamy, in 2028?
It is too early to know. No 2028 nominees have been chosen and reliable head-to-head 2028 polling does not exist yet. Marco Rubio is currently rated "Likely to run" and Vivek Ramaswamy "Possible" to run.
Are Marco Rubio and Vivek Ramaswamy running for president in 2028?
As of June 2026 neither has formally declared. Marco Rubio: Named by Trump as a potential successor. Vivek Ramaswamy: 2024 candidate; now running for Ohio governor.
Is this a primary matchup?
Yes. Both Marco Rubio and Vivek Ramaswamy are Republicans, so they would compete in the same party primary, not against each other in the general election.
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