With millions expected to turn out to vote in the general election, Rishi Sunak’s position as leader of the Conservative Party and prime minister of Britain is in jeopardy as polls opened across the United Kingdom on Thursday.

After 14 years in office, voters’ resentment of the incumbent Conservatives is something that 44-year-old Sunak must deal with. Additionally, during the six-week campaign, the Labour Party, led by 61-year-old Keir Starmer, has lagged significantly.

Both candidates concluded their debates with opposing remarks: Sunak begged voters not to give “tax-raising” Labour a “supermajority,” while Starmer downplayed the likelihood of a landslide victory out of concern that low voter turnout would affect the result.

A majority in the first past the post system will need 326 of the 650 constituencies in England, Scotland, Wales, and Northern Ireland to be represented by the candidates running for office. A list of candidates representing the Liberal Democrats, Green Party, Scottish National Party (SNP), SDLP, Democratic Unionist Party (DUP), Sinn Fien, Plaid Cymru, the anti-immigration Reform Party, and several running as Independents will also be presented to voters in addition to the two major parties.

Around 40,000 polling booths opened across the country at 7am local time as an estimated 46 million registered voters began turning out to mark a cross next to their chosen candidate on a paper ballot. This year, elections in the United Kingdom have made it mandatory for all eligible adult voters, including Commonwealth citizens such as Indians, to bring identification to the polls. Several voters have already cast their vote in a postal ballot, which can also be handed in to their local councils if pending.