Trump-Endorsed Candidates Secure Overwhelming Victories in 2026 Republican Primaries Across States

President Trump's endorsed candidates won almost all 2026 Republican primary races in Oklahoma and South Carolina, extending his powerful grip over the GOP midterm playbook. According to Ballotpedia data reviewed by multiple outlets, Trump has backed 256 winning candidates out of 264 races so far—a 97% success rate that matches his performance across 2018, 2020, 2022, and 2024 USA Today.
His Senate endorsements are perfect: all 24 Trump-backed candidates advanced to the general election USA Today. In House races, he notched 218 wins against just 4 losses. Only his gubernatorial endorsements lagged, succeeding in 79% of contests USA Today.
Trump's Senate endorsements have been flawless in 2026. All 24 candidates he backed won their primary races and punched their ticket to November's general election USA Today. This unblemished record underscores his unmatched sway over Republican voters in high-stakes statewide contests.
Trump's House endorsement game remains strong but shows small cracks. His backed candidates won 218 races while losing just 4 USA Today. That 98% win rate still ranks as elite-level influence on down-ballot Republican primaries across the country.
Trump's gubernatorial endorsements trail his Senate and House success, winning 79% of contested races USA Today. State-level campaigns draw different dynamics and voter bases than federal races. This gap hints at limits to his control even as his overall midterm endorsement machine hums.
Recent primary wins in Oklahoma and South Carolina cemented Trump's 2026 dominance Wisconsin Rapids Tribune. The victories came as he continues steering Republican candidate selection nationwide. With 256 wins in 264 races, Trump has essentially written the GOP's midterm primary story Ballotpedia.
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