Claudio, cuéntame que va a pasar:
Short version: Democrats are strong favorites to win the House, the Senate is a real toss-up that leans slightly Democratic right now, and the most likely result is Democrats winning both chambers. Trump would then face a Congress that can block his agenda and investigate his administration for his last two years.
The dates
Tuesday, November 3, 2026 is election day. All 435 House seats and 35 Senate seats are up, plus many governor races.
Primaries are already done. They ran from March 3 to September 15.
Expect close races to take days to call, because some states count mail ballots slowly. Any race that goes to a runoff could push Senate control into December.
January 3, 2027: the new Congress is sworn in. That's when any change of power actually happens.
Most probable outcomes
House: very likely Democratic. Forecast models put Democrats at 77% (Decision Desk HQ, about 235 seats) and 85% (Poliwave). Betting markets are at about 90%. In a political science journal's forecasting issue, every forecaster predicts Democrats capture the House. Republicans hold it by only a few seats, so Democrats don't need a big swing.
Senate: genuinely close. Republicans hold 53–47, so Democrats need a net gain of four seats. That's hard. They have to hold Georgia and Michigan and flip places like Texas, Ohio, Maine, Iowa or Alaska. Current numbers:
Decision Desk HQ: Democrats 56%
Kalshi: Democrats 62%
Academic forecasts are more cautious. Most in that journal issue expect a narrow Republican Senate win, though they were written earlier in the cycle.
Combined: Decision Desk HQ gives 54% for Democrats winning both, 23% for a Democratic House with a Republican Senate, and 21% for Republicans keeping both.
What's driving it: Trump's approval is around 39%, and voters are hurting from high gas and grocery prices tied largely to the Iran war. A recent Pew poll has Democrats ahead 44% to 36% when people are asked which party they want in Congress. There's also history: the president's party almost always loses ground in midterms.
What could still help Republicans: Polarization and the shrinking number of competitive House districts may limit Democratic gains. Republicans also have money on their side. Trump-aligned groups have already put hundreds of millions into Senate races, giving the GOP a cash advantage, and their campaign chief says he's confident they can keep or even grow their majority. Two weeks is enough time for things to move.
Consequences
If Democrats win the House (likely):
Trump's legislative agenda mostly stops. Nothing passes without House Democrats, and that includes budgets and government funding, so expect shutdown standoffs.
A wave of investigations. Democrats are preparing a broad oversight agenda covering Trump, his family and his administration, with a focus on the Trump family's money-making since January 2025.
Impeachment is possible but probably not the first move. Democrats are more likely to target Cabinet members than Trump himself. Even then, removing anyone needs two-thirds of the Senate, which won't happen.
Subpoena fights. Democrats expect the White House to ignore subpoenas or refuse to hand over documents, which means a lot of court battles.
If Democrats also win the Senate:
They could block or slow Trump's judges and Cabinet picks, which matters a lot if a Supreme Court seat opens.
Trump would have to govern almost entirely through executive orders, which tends to mean more legal challenges.
If Republicans keep the Senate but lose the House:
Lawmaking still stalls, but Trump keeps getting his judges and officials confirmed. That is the most common historical pattern for a second-term president.
Bigger picture: The result will shape the 2028 race. A big Democratic win would strengthen their candidates, and a Republican hold would boost JD Vance or whoever ends up as Trump's heir. For Europe, a divided Congress usually means slower, messier US decisions on trade, tariffs and foreign policy, including the Iran war.
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