U.S. Senate Tracker
119th Congress · 2025–2027 · All 100 Seats
United States Senate
A complete reference of all 100 senators — track power, tenure, committees, and election exposure in one place.
100
Total Senators
53
Republican Seats
47
Dem / Ind. Seats
35
Seats Up in 2026
~64
Avg. Age (yrs)
9
Competitive Races
53
R Seats Majority
6yr
Senate Term
Top 5 Races to Watch — Nov 3, 2026
Georgia
Ossoff faces a strong challenge in a state Trump carried by 2 points.
Michigan
Open seat in a state Trump won by 1 pt; key pickup opportunity for Republicans.
Maine
Collins seeks her 5th term in a state Harris carried by 7 points.
North Carolina
Open Tillis seat in a perennial battleground; both parties investing heavily.
New Hampshire
Open Shaheen seat; Democrats favored but competitive in this swing state.
Senate Intel
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Senate Delegation MapClick any state to jump to its senators
Both DemocratSplitBoth Republican
Total Senators
100
Democrats / Ind.
47
Republicans
53
Split States
—
Battlegrounds
—
Shown
100