The Democrats have taken control of the Senate and the House of Representatives. These charts and maps reveal the key trends and races behind this result

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The Republicans have lost seven Senators, 30 House districts and five governor races.

As of 3.30am Eastern Time (ET) on Thursday, more than 2,000 of nearly 2,500 counties with Senate elections had returned more than 90% of their votes. Americans did not turn out in significant numbers for the Republicans amid high fuel prices and dissatisfaction with the president.

Millions will vote to decide which party controls Congress – which will have a huge impact on Trump’s final years in office

US voters will soon deliver a national verdict on the second presidency of Donald Trump. On 3 November, millions of Americans will vote in midterm elections to decide control of the House of Representatives and Senate, as well as the governorships in 36 states and state legislatures across the country. The results could have a huge impact on Trump’s final two years in office.

Our reporters have interviewed nine voters across the country and the political spectrum about extremism in US politics, their confidence in the US voting system, what they hope Congress will tackle first and their views of the president’s secretary of defense, Pete Hegseth.

The tech mogul’s midterm donations backing Republicans have made him the largest single-cycle political donor in modern US history

Elon Musk has poured so much money into US politics this midterms election cycle that his donations could fund half a dozen SpaceX rocket launches or buy thousands of Tesla Cybertrucks. At the Tesla Diner in Los Angeles, Musk could order more than 31.9m cheeseburgers with the money he has spent on the midterms.

Musk, the world’s richest person, has funnelled at least $445.77m into Republican-aligned political action committees (Pacs) and groups since last year, according to US Federal Election Commission data as of 29 October. The contributions have made him the Republicans’ most prominent financial backer and the largest single-cycle political donor in modern US history.

These graphics explain what the Democrats would need to do to flip the Senate and House of Representatives

A turning point in Donald Trump’s second term has arrived. Voters across the US are deciding whether to keep the president’s Republican allies in control of Congress, or return Democrats to the majority.

Many indicators of voter sentiment suggest the Democrats are favored to take back control of the House of Representatives, and potentially the Senate. Winning either would be a significant victory for the party and give it the power to block Trump’s legislative agenda and more aggressively investigate his administration.