**Elevated Democratic primary participation and a consistent generic ballot advantage have sustained trader expectations for House turnout in the 115-130 million range ahead of the November 2026 midterms.** Opposition energy tied to the president's approval ratings near 38-43 percent and a roughly six-point Democratic edge in congressional preference polls have driven stronger mobilization signals, including record or multi-decade Democratic primary turnout in states such as Michigan, Wisconsin, Georgia, and Texas. Republicans are countering with targeted outreach to lower-propensity 2024 voters through refined data models and field operations, while expanded mail and early voting options plus modest youth registration gains provide a higher structural floor than older midterm baselines. The narrow battle for House control and nationalized messaging on economic and foreign policy issues keep the outcome competitive, with separation likely hinging on whether the enthusiasm differential or Republican base mobilization efforts prove more decisive in the final weeks.