How is a vice presidential running mate chosen?
The presidential nominee personally selects their running mate. There is no primary or formal party vote. The choice is the nominee's alone, subject to informal vetting and consultation.
Choosing a vice presidential running mate is one of the most significant and personal decisions a presidential nominee makes. The Constitution sets no process for this; it is entirely up to the presidential candidate.
In modern campaigns, nominees conduct a formal vetting process managed by a small team of lawyers and senior advisors. Potential running mates submit extensive personal, financial, and legal documentation. Researchers conduct background checks and assess political compatibility, geographic balance, demographic considerations, and potential weaknesses that could harm the ticket.
The final choice belongs solely to the presidential nominee. Consultations with party elders, major donors, and close advisors are common, but the decision cannot be vetoed or overruled. Announcements typically come in the weeks before the convention, generating a major news cycle that the campaign tries to use strategically.
The convention formally confirms the VP selection through a separate nominating vote, but with the nominee's endorsement this vote is a formality. No modern convention has rejected a presidential nominee's VP choice.
Related questions
Does the VP pick have to be from a different state than the nominee?
Can the VP nominee be someone who lost in the primaries?
Related explainers
The 2028 Democratic and Republican national conventions have not been scheduled yet. Based on recent cycles, expect them in July or August 2028, several months before Election Day.
The national convention formally nominates the presidential and vice presidential candidates, adopts the party platform, and serves as a major televised showcase for the party heading into the general election.
You must be at least 35 years old. There is no maximum age. The Constitution requires the president to be 35 or older when taking office.