Democrats hold a substantial lead in the generic congressional ballot averaging around 8 points, with recent polls showing their advantage stable or widening amid low presidential approval and voter concerns over prices. Multiple forecasters project Democratic gains sufficient for a House majority, citing shifts of 15-20 competitive districts toward Democrats in the past month and a narrow current GOP edge of just a handful of seats. The Associated Press determines control only after calling enough individual races for one party to reach 218 seats, so outcomes in the roughly 20-25 toss-ups and leans—concentrated in states like Pennsylvania, Iowa, North Carolina, and Texas—will shape when that threshold is met. Early voting has begun in multiple states ahead of the November 3 election, and any national wave could accelerate calls on election night.