Donald Trump became the fourth American president since 1950 whose party simultaneously lost control of the Senate and the House of Representatives in a midterm election, following the Democratic victory in Tuesday's elections.
Since 1950, that scenario had only been recorded on three occasions: with Dwight D. Eisenhower in 1954, with Bill Clinton in 1994, and with George W. Bush in 2006. The last precedent was 20 years old.
The Republicans arrived at Tuesday's session controlling the White House, the Senate, and the House of Representatives—a position solidified after the November 2024 elections—but the Democrats managed to take away their majorities in both chambers, a result not seen since the Iraq war.
The defeat forces Trump to govern the last two years of his presidency with a Congress completely in the hands of the opposition.
The three historical precedents
The first precedent occurred in 1954, when the Democrats regained control of the Senate and the House during Eisenhower's first term, securing 232 seats compared to 203 Republicans and marking the beginning of four decades of dominance in the House of Representatives.
Forty years later, the so-called Republican Revolution of Newt Gingrich gave Republicans an additional 54 seats in the House and ended four consecutive decades of Democratic majorities, forcing Clinton to govern the last six years of his presidency with an opposing Congress.
In 2006, amid the Iraq war, the Democrats secured 233 seats in the House compared to 202 Republicans and achieved an operational majority in the Senate with the support of two independent senators, leaving George W. Bush without legislative backing in his final stretch.
What has happened in the presidential elections?
The history shows significant differences when including the presidential elections, held every four years, during which the entire House of Representatives and approximately one third of the Senate are also renewed.
Since 1950, only the 1952 presidential elections caused a simultaneous shift in control of both chambers of Congress, according to the official historical records of the House of Representatives.
In that election, Republican Dwight D. Eisenhower won the presidency, and his party took away the Democratic majorities in both the Senate and the House of Representatives.
The Republicans secured 221 seats in the House of Representatives, compared to 213 Democrats and one Independent. In the Senate, they obtained a slim majority with 48 Republicans, 47 Democrats, and one Independent who aligned with the Republicans.
The immediately preceding event occurred in 1948, when the Democrat Harry S. Truman achieved an unexpected re-election to the presidency and his party simultaneously regained control of both chambers of Congress, which had been under Republican control since 1947.
The Democrats then secured 263 seats in the House of Representatives compared to 171 Republicans, in addition to regaining a majority in the Senate.
Since 1952, no presidential election has resulted in a simultaneous change of majority in both chambers of Congress, although there have been partial changes and victories that allowed presidents to begin their terms with the support of both.
In 1980, Ronald Reagan won the presidency and the Republicans regained the Senate, but the Democrats retained control of the House of Representatives.
In 1992, Bill Clinton arrived at the White House with Democratic majorities in both chambers, which his party already controlled before the elections.
In 2008, Barack Obama won the presidency and the Democrats expanded the legislative majorities they had secured in 2006.
In 2016, Donald Trump achieved his first presidential victory while the Republicans maintained control of the Senate and the House of Representatives.
In 2020, Joe Biden won the White House and the Democrats maintained control of the House of Representatives. Control of the Senate was determined later in the Georgia runoff elections, held in January 2021.
Finally, in 2024, Trump returned to the presidency and the Republicans regained the Senate while maintaining their majority in the House of Representatives.
The difference is that in a presidential election, the winning party can come to power with both chambers under its control, whereas in midterm elections, the president's party risks losing the majorities it currently holds.
The magnitude of the defeat in 2026
The Democrats achieved a net gain of at least seven seats in the Senate, with historic victories in traditionally Republican states. James Talarico defeated Ken Paxton in Texas, becoming the first Democrat elected senator from that state since 1988. In Kansas, Adam Hamilton defeated Roger Marshall in the first Democratic victory for the Senate in that state since 1932.
In the House of Representatives, NBC News projected approximately 244 seats for Democrats, well above the 218 needed for a majority, while the New York Times placed the provisional balance at 228 Democrats versus 218 Republicans, with some counts still pending.
Exit polls revealed that the economy drove voter turnout: 75% of voters described the economic situation as "not very good" or "bad," and nearly two-thirds directly blamed Trump for the high prices.
Florida resists the Democratic wave, but Republicans face significant setbacks
Unlike the national outcome, in its major state offices, although several races were much closer than expected and Democrats achieved significant gains.
The Republican Byron Donalds, backed by Trump, won the gubernatorial election against Democrat David Jolly and will succeed Ron DeSantis, who was unable to run for a third consecutive term.
With approximately 99% of the votes counted, Donalds received around 50.05%, compared to Jolly's 48.68%, a difference of just over 112,000 votes.
In the federal Senate election, the Republican Ashley Moody defeated the Democrat Angie Nixon and retained for her party the seat previously held by Marco Rubio, the current Secretary of State.
Moody received approximately 50.9% of the votes, compared to Nixon's 48%, a margin that is noticeably smaller than the Republican leads recorded in other recent elections in Florida.
The Republicans also retained the state Attorney General's office with the victory of James Uthmeier.
However, the Democratic advance was felt in Congress and in the state legislature.
The Democrats achieved significant victories in federal House districts, including some whose boundaries had been altered by the Republicans before the elections. Notably, Pia Dandiya was elected in district 22.
In South Florida, Republican Carlos Giménez secured reelection for the 28th district, while the races for María Elvira Salazar in the 27th district and Mario Díaz-Balart in the 26th district remained very close and awaited final resolution in the election night recounts.
In the state House of Representatives, the Democrat Lucía Báez-Geller defeated the Republican Fabián Basabe in District 106, which includes Miami Beach and coastal areas of Miami-Dade.
Additionally, the Republicans lost their supermajority in the Florida Senate, although they retained the majority in that chamber.
The result presents a contrasting picture: Florida continues to elect Republicans for its top state positions, but the party's advantage has significantly decreased in several races, and Democrats managed to regain ground in legislative districts.
Trump's reactions
Trump responded to the loss with contradictory messages. On Truth Social he wrote: "I was not on the ballot and if I had been, we would have won by a landslide!", despite having repeatedly asked during the campaign for his supporters to vote "as if he were on the ballot."
He also blamed Fox News for the Republican defeats for "consistently airing the Democratic opposition," and attacked Texas Governor Greg Abbott, calling him a "RINO" — Republican in Name Only — despite having supported his candidacy.
At the same time, he declared to the New York Times that he was willing to accept the results and work with the Democrats.
The change in legislative control will take effect on January 3, 2027, when the new Congress is established. Until then, the Republicans formally retain the majorities in the outgoing Congress. Hakeem Jeffries is on track to become Speaker of the House on that date, which would make him the first African American to hold that position.
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