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Which party will win the 2026 US Senate election in Georgia?

The general election for the US Senate seat in Georgia is scheduled for November 3, 2026. The incumbent is Jon Ossoff (Democrat), and the Republican challenger is Mike Collins. Current polling data from August 17, 2026, shows Jon Ossoff leading Mike Collins 50% to 43%. Prediction markets give Jon Ossoff a 93% win probability.

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Forecast probabilities

  • Democrat: 96.1%
  • Republican: 3.8%
  • Other: 0%

Reasoning

Jon Ossoff is overwhelmingly favored to hold Georgia’s Senate seat: Democrat 96.1%, Republican 3.8%, Other 0.0%. The race’s history and the possibility of polling error leave a narrow path for Mike Collins, but the latest polling, market prices, and Republican spending decisions all point strongly in the same direction.

Democrat — 96.1%: A lead reinforced by converging signals

Ossoff’s advantage has widened rather than faded. After leading polls throughout the summer, he was reported up 15 points in a late-October survey, while prediction markets put his chance of winning at 95% [a5, a7] [e1173]. Inside Elections also moved the race to Lean Democratic, and major outside groups withdrew advertising from Georgia—a revealing sign that Republicans may see better uses for their resources elsewhere [e1178].

The broader climate is favorable to Democrats: Trump’s approval is deeply underwater, Democrats lead the generic ballot, and the RNC chair has acknowledged a turnout problem for Republicans [e1343, e1344] [e1353, e1355]. Ossoff’s financial edge has grown, with more than $100 million raised over the cycle [e1129]. Georgia also set a midterm early-voting record, alongside reports of increased Black voter turnout across the South [e1345, e1348]. The evidence does not guarantee that every early voter favors Ossoff, but it adds to the signs of a strong Democratic operation.

Republican — 3.8%: A narrow opening for a polling miss

Georgia remains a genuinely competitive state in the long view: recent statewide federal contests have often been decided by only a few points [a1, a6, a7, a8]. A large polling error could therefore matter. Early voters skewed older, with voters 65 and above accounting for more than 40% of ballots reported at one point, while voters aged 18–29 made up less than 9% [e1176]. Trump campaigned in Georgia for Collins, and historical polling-error scenarios are a reminder that even a large lead is not certainty [e1127, e1171] [e1351].

But those considerations now have to overcome a reported 15-point deficit, a market price near 95% for Ossoff, and the withdrawal of major Republican advertising [e1173, e1178]. A Republican win is possible, but it would require an unusually large polling miss or a substantial late turnout imbalance.

Other — 0.0%: No credible path indicated

The available evidence identifies Ossoff and Collins as the principal contenders and offers no meaningful signal that a third-party candidate could win the seat. Georgia’s majority requirement can create a runoff if no candidate clears 50%, but the reported double-digit Ossoff lead makes that outcome unlikely to change the central forecast.

Why the probabilities are so lopsided

The state’s close-election history counsels against certainty, and neither record turnout nor polls can settle the result before votes are counted. Still, the strongest current evidence—widening Ossoff leads, an unfavorable national environment for Republicans, his fundraising advantage, and GOP-aligned groups’ retreat—converges on a Democratic hold. That supports Democrat 96.1%, Republican 3.8%, and Other 0.0%.

Update summary

Fresh national polls continue to show a Democratic advantage, and the RNC chair acknowledged a Republican turnout problem [e1353, e1354, e1355]. Georgia’s record early-vote total is now more fully reported, but it confirms an already-known trend rather than presenting a major new shift [e1348].

Cited evidence