WASHINGTON — Voters delivered an astonishing rebuke to President Trump and his party, stripping Republicans of congressional control amid widespread frustrations with the economy and elevating a new class of Democratic lawmakers to power. The backlash proved more stunning than many analysts predicted, with voters expressing anger over the conflict in Iran, the high cost of living, alleged government corruption, and aggressive immigration enforcement.

By late Tuesday, a blue wave had surged across large parts of the country as Democrats secured victories in numerous House districts that Trump had won by double digits just two years earlier. Even staunchly Republican states such as Texas, South Carolina, and Kansas witnessed unexpected Democratic Senate wins, completely rebalancing the political landscape in Washington.

Economic worries remained front and center for voters throughout the cycle, causing Republicans to lose their previous electoral advantage on the issue. Roughly nine in 10 voters indicated that the cost of living was a major factor in their decisions, with nearly two-thirds blaming Trump’s policies for rising inflation. High anxiety levels regarding food prices and gasoline or diesel further eroded support for the incumbent administration.

Despite promises of a prosperous golden age, Trump’s decision earlier in the year to join Israel in a military conflict against Iran proved politically disastrous. More than six in 10 voters believed the United States made the wrong decision regarding military action, which squeezed global energy markets and pushed consumer costs higher. Proposals such as tariffs and unpersuasive financial incentives failed to win over a skeptical electorate that viewed the administration as increasingly out of touch.

Trump heavily injected himself into the campaign trail, holding daily rallies in red states during the final month. However, many Republicans privately conceded that his marathon appearances and controversial rhetoric only exacerbated his political vulnerabilities. By telling voters to treat him as though he were on the ballot, the president invited a direct referendum on his leadership that ultimately resulted in a harsh admonishment.

The sweeping Democratic gains set the stage for major political clashes in Washington. Democrats captured both chambers of Congress, empowering congressional leaders and granting the party vital subpoena power to launch investigations into the administration, its policies, and its business dealings. With a divided government now a reality, fierce battles loom over federal funding, ongoing foreign conflicts, tariff repeals, and the debt ceiling, while the White House prepares a defensive posture utilizing veto powers.