34 seats up in 2026. Polling averages across all available surveys, updated as new data arrives. No house lean applied — raw numbers only.
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Current Senate — 119th Congress
51 seats needed for majority
47
Democrat + Independent caucus
53
Republican
47 DEM51 to majority53 REP
Polling averages sourced from publicly available surveys. Margins shown are most recent available. Races without recent polling show last known data. Methodology →