This year, all 435 seats in the US House of Representatives, as well as 35 seats in the Senate are being contested.
Americans remain deeply polarised on issues from immigration to abortion — though many are united in fears for their country's democracy.
Republican ex-president Donald Trump and his followers raise allegations of fraud after problems with vote-counting machines, clerical errors, difficulties at polling stations in several states.
Republicans are widely favoured to pick up the five seats they need to take over the House from Democrats, but control of the Senate could come down to tight races in Pennsylvania, Nevada, Georgia and Arizona.
US voters head to the polls to render a verdict on Joe Biden at the halfway point of his presidency.
US President Biden's unpopularity is helping drive the view that Republicans will win control of the US House of Representatives and possibly the US Senate as well on Tuesday.
A massive 40 million Americans have already voted early, according to reports and both sides were predicting victory.
President Biden and ex-leader Trump push Pennsylvania Senate candidates ahead of midterms on November 8, an election Biden says marks a "defining" moment for US democracy.
US President Biden, battling to show restive voters he has boosted the economy, touts his economic policies, and Donald Trump sends his strongest signal so far that he's planning a comeback.
President Biden begins his three-day election tour from New Mexico and will travel to California, Chicago and Pennsylvania, while ex-US leader Trump is hitting four key electoral states in five days.
US President Biden warns in final days of midterm election voting that democracy itself is under threat from ex-president Donald Trump's election-denying lies and violence he said they inspire.
In Florida state for a final push before November 8 midterms, US President Biden seeks to portray Republican Party as a threat to American middle-class households and seniors.
Subscribe to our Youtube channel for all latest in-depth, on the ground reporting from around the world.
Copyright © 2023 TRT World.