Republican voter drop-off poses greater 2026 midterm risk than Democratic surge, analysts say

As the 2026 midterm cycle takes shape, strategists on both sides are describing the central dynamic as one of subtraction rather than addition — the prospect that chunks of the 2024 coalition that elected Donald Trump will simply stay home rather than vote for either party.

Voter data firm Catalist found that in the 2018 "blue wave" election, 13% of ballots were cast by new voters who preferred Democratic House candidates by a 21-point margin, and overall turnout reached 50% — the highest for a midterm since 1912. Analysts widely expect 2026 to look different. Texas-based Republican strategist Matt Mackowiak said, "When both parties are viewed negatively, you are probably not going to see a lot of new voters." A New York Times/Siena College survey of registered voters found that just 21% of 2024 nonvoters approved of Trump's job performance, with 71% disapproving, but nearly three-fifths of those same nonvoters also expressed negative views of the Democratic Party — and only about one-fifth said they were almost certain to vote this year.

Historical comparisons inform the current outlook. Catalist calculated that roughly two-fifths of Obama's presidential voters did not return for the midterms in 2010 and 2014, and that those staying home were preponderantly Obama supporters. Republicans this year could face a comparable dynamic: Pew found that by April, Trump's approval among all his 2024 voters had fallen below 80%, down from over 90% in February, while 98% of Harris voters disapproved of his performance — a disparity suggesting asymmetric enthusiasm heading into November.