2026 Competitive Senate Seats — Incumbent Approval Ratings
Senators on the 2026 ballot in competitive states. Race ratings: Sabato's Crystal Ball + Cook Political Report composite, April 2026.
| Senator | State | Party | Approve | Disapprove | Net | Up 2026? | Race Rating | Key Context |
|---|---|---|---|---|---|---|---|---|
| Susan Collins | Maine | R | 52% | 38% | +14 | Yes | Lean R | Strongest R brand in blue state; crossed aisle on abortion |
| John Fetterman | Pennsylvania | D | 51% | 39% | +12 | Yes | Toss-Up | Bipartisan appeal; D base unease over immigration stance |
| Tammy Baldwin | Wisconsin | D | 48% | 43% | +5 | Yes | Toss-Up | Competitive; union support vs. suburban erosion |
| Jon Ossoff | Georgia | D | 47% | 46% | +1 | Yes | Toss-Up | First-term; D advantage in Atlanta metro offset by rural R |
| Thom Tillis | North Carolina | R | 46% | 45% | +1 | Yes | Lean R | Hurricane recovery handling; moderate R in red-shifting state |
| Gary Peters | Michigan | D | 46% | 42% | +4 | Yes | Lean D | Auto industry focus; Michigan competitive but D-leaning |
| Jacky Rosen | Nevada | D | 45% | 44% | +1 | Yes | Toss-Up | Low-profile incumbent; Nevada volatile (D won '22, R won gov) |
| Mark Kelly | Arizona | D | 45% | 47% | −2 | Yes | Toss-Up | Underwater; border and Hobbs drag affecting D brand in AZ |
| Sherrod Brown | Ohio | D | 44% | 48% | −4 | Yes | Likely R | Lost 2024; not running 2026 (open seat); data retained for context |
| Raphael Warnock | Georgia | D | 46% | 47% | −1 | No (2028) | Not up | Closely watched as Ossoff ally; second GA Senate seat |
| Lisa Murkowski | Alaska | R | 49% | 42% | +7 | Yes | Lean R | Independent brand; survived ranked-choice 2022 challenge |
| Bob Casey | Pennsylvania | D | 43% | 49% | −6 | No (lost 2024) | N/A | Lost to McCormick Nov 2024; historical data point |
| Dave McCormick | Pennsylvania | R | 44% | 40% | +4 | No (2030) | Not up | First-term; still building statewide profile |
| Bernie Sanders | Vermont | I/D | 58% | 36% | +22 | No (retired) | N/A | Retired Jan 2025; among most-loved of his career |
| Ted Cruz | Texas | R | 40% | 52% | −12 | No (won 2024) | Not up | Narrowly survived 2024; Cancun reputation persists |
Sources: Quinnipiac, Morning Consult, state-level pollsters. Race ratings: Cook Political Report composite. Approval figures are averages of available polls in the 60-day window ending April 2026.
The 50% Threshold
Senators above 50% approval in their home state have historically re-elected at a rate above 85% in midterm elections. Below 48%, the re-election rate drops to around 60%. Collins and Fetterman both exceed the 50% mark — a meaningful structural advantage heading into a difficult national environment for their parties.
The Map Disadvantage
Democrats must defend 23 seats in 2026 — including four in states Trump won in 2024 (OH, WV, MT, PA effectively). Republicans only defend 12. This structural imbalance means even a neutral political environment likely favors Republicans gaining 1-3 Senate seats, with a strong environment potentially producing a 4-6 seat gain.
Fetterman Anomaly
John Fetterman's 51% approval in Pennsylvania is unusual: a Democrat polling above 50% in a state Trump carried in 2024. His bipartisan positioning on immigration and his working-class brand have maintained crossover support that most Democrats in competitive states have lost. Whether his Democratic base holds through 2026 primary pressure is the key variable for his race.
Net Approval — Key 2026 Senators Compared
Historical Context — Incumbent Approval vs. Re-Election Outcomes
| Year | Avg Incumbent Approval | Seat Change | Political Climate | Pattern |
|---|---|---|---|---|
| 2018 | 47% (R incumbents) | D +2 Senate | Anti-Trump wave | R incumbents in purple states lost despite adequate approval |
| 2020 | 49% (R incumbents) | R −4 net (D +4) | COVID/Trump drag | Close: GA runoffs decided control |
| 2022 | 46% (D incumbents) | D +1 Senate | Expected R wave, didn't materialize | Candidate quality saved D incumbents |
| 2024 | 44% (D incumbents) | R +4 (D lost OH, MT, WV, PA) | Strong R environment | Below-50 D incumbents lost in R-leaning states |
| 2026 projected | ~46% (D incumbents defending) | R +2 to +4 projected | Mixed: anti-R sentiment vs. map disadvantage | Approval + map math = R modest gains likely |