Americans are voting in the 2026 US midterm elections to decide control of Congress. The results will show if Republicans keep their narrow majorities in the House and Senate during President Donald Trump’s second term. Many voters see this as a referendum on his policies and the ongoing Iran war.

Americans are voting in the 2026 US midterm elections, a high-stakes contest that will decide whether Republicans retain control of the House of Representatives and the Senate for the remainder of President Donald Trump's second term. The polls are widely seen as a referendum on Trump's presidency, his administration's policies and its handling of the Iran war, whose fallout has added to economic and political challenges, including disruptions to global energy markets. With final pre-election surveys giving Democrats an edge, Republicans face a crucial battle to hold on to their narrow majorities in Congress. The outcome will determine how much legislative power Trump retains during the final two years of his term. Republicans currently hold a 53-47 majority in the Senate, while the House is split 218-214 in their favour, with one independent member and two vacant seats.