5 things you need to know about 2026 US midterm elections

A U.S. midterm election takes place halfway through a president’s four-year term. The president is not on the ballot. Voters instead decide who will represent them in Congress and in state government. These elections matter because they can change which party controls Congress and can limit or strengthen the president’s agenda.

In 2026, voters are choosing members of the House of Representatives and Senate. They are also voting in governor’s races in 36 states. Nearly every state is holding elections for seats in its legislative bodies. These contests determine who writes and carries out laws at several levels of government.

The results can reshape national politics. A Democratic House majority could put Representative Hakeem Jeffries in the speaker’s office and open investigations of Trump administration activities. State and governor results can also affect policy beyond Washington. Midterms usually attract fewer voters than presidential elections, but their consequences can be substantial.

The 2026 midterms are a nationwide contest for power. Voters are electing members of the House and Senate, choosing governors in 36 of the 50 states, and voting in nearly every state for legislative seats. That makes the election larger than a single national contest. It reaches into federal and state government at the same time.

The article gives the current congressional balance rather than a total seat count. Republicans hold the House, 218 to 214, with two vacancies and one independent caucusing with Republicans. They also hold the Senate, 53 to 47. Democrats therefore need a net gain of four seats in either chamber to control it.

State politics are also important. Republicans hold 55% of state legislative seats, compared with 43.8% for Democrats. The election could change that balance, while governor’s races may influence state policy. Together, the contests create several routes for voters to alter political power.

A net gain means Democrats must win more seats than Republicans in the overall exchange of seats. It does not mean winning four particular districts or states. The number depends on the starting balance and on which party captures the available contests. Control matters because the majority organizes the chamber and determines much of its agenda.

In the House, Republicans hold 218 seats to Democrats’ 214. Two seats are vacant, and one independent caucuses with Republicans. The article says Democrats must gain four seats net to take control. In the Senate, Republicans hold a 53-47 majority, so Democrats also need four additional seats for control.

That Senate target is especially difficult because twelve races could decide the outcome, including contests in conservative-leaning Kansas and Texas. The House and Senate calculations are separate. Winning four House seats does not automatically produce four Senate seats, or control of both chambers.

Midterm elections threaten the governing party because they offer voters a chance to judge the president without choosing a new president. Voters may reward the administration, demand a course correction, or give the opposing party power to block its priorities. The party controlling Congress can also be held responsible for national conditions.

The article points to several pressures facing Republicans in 2026. Trump’s approval rating is near a record low, at 32%, according to Reuters/Ipsos polling. Rising consumer prices could erode Republican support. Democrats also show greater voting enthusiasm and have cast more early ballots, according to the University of Florida Election Lab.

A governing party is not automatically defeated. Republicans may benefit from skepticism toward Democrats, a campaign spending advantage, and moderate voters’ concerns about left-wing primary winners. Still, the midterms place Trump and Republicans, who control both chambers, in a perilous position.

If Democrats win the House, the president’s agenda would face a stronger opposition majority. The next speaker would likely be Hakeem Jeffries, currently the House Democratic leader. He could steer Democratic legislation and direct House committees to investigate activities involving Trump and his associates.

The article identifies likely Democratic priorities as making healthcare, groceries, housing, energy, and other costs more affordable. Jeffries has also promised scrutiny of what he calls “unprecedented levels of corruption” in the Trump administration. Investigations would give House committees a formal way to examine controversial conduct.

A Democratic Senate victory would give Democrats control of that chamber too, changing who sets its priorities and manages its work. The article does not specify particular Senate investigations or legislation. If Republicans retain the House, Mike Johnson or another Republican would remain speaker, and Republican priorities would include tax cuts, higher defense spending, and deeper social safety-net reductions.

Midterms can transform Congress without changing the president. Voters may hand the opposition control of one chamber, both chambers, or a large number of seats. That shift changes who writes legislation, controls committees, and negotiates with the White House. It can force a president to adjust priorities or face stronger resistance.

In 2010, during Barack Obama’s presidency, Republicans won 63 additional House seats. Democrats lost their House majority amid a weak economy and limited support for Obama’s healthcare reform. Republicans also gained six Senate seats, but Democrats kept Senate control. Obama called the result a “shellacking.”

In 2018, during Trump’s presidency, Democrats gained a net 40 House seats. They took the House, although Republicans gained a net two Senate seats. These examples show that voters can split their decisions between chambers and can dramatically change congressional power halfway through a presidential term.

Divided government occurs when political control is split among the president, the House, and the Senate. One party may hold the White House while another controls Congress, or the two congressional chambers may belong to different parties. The result is bargaining, oversight, and sometimes blocked legislation. Unified government gives one party control of all three institutions.

The article shows why this matters. If Democrats win the House while Trump remains president, Hakeem Jeffries could direct investigations and advance Democratic priorities. If Republicans retain control, they could pursue tax cuts, increased defense spending, and deeper social-safety-net reductions. Senate control would also shape that chamber’s work.

The president does not administer elections alone. Under the U.S. system, states and local election offices organize voting, including registration, polling, ballots, and counting. This decentralized arrangement is established U.S. knowledge, not explained in the article. It means election administration is shared across many state systems.