Only three in 10 Americans believe US Supreme Court nominee Brett Kavanaugh did not commit sexual assault, according to a new poll.

Three women came forward and made a number of allegations against Mr Kavanaugh, who has been nominated to the country’s top court by Donald Trump.

Following testimonies at the Senate Judiciary Committee from Mr Kavanaugh and Christine Blasey Ford, who has accused him of sexual assault, a total of 42 per cent of US voters said they believed the allegations, 31 per cent said they did not and 27 per cent said they "don't know" what to believe.

The responses were divided largely along partisan lines – about two-thirds of Democrats said they believed the allegations and nearly two-thirds of Republicans said they did not.

The findings follow an emotionally charged week in Washington, during which Mr Kavanaugh's once-certain confirmation was jeopardised after allegations of assault and exposing himself in public in the 1980s.

Mr Kavanaugh, a conservative federal appeals court judge, has denied all the allegations and the FBI has now launched an investigation into the claims.

One of the women accusing Mr Kavanaugh of misconduct, Dr Ford, told the Senate Judiciary Committee last week that when they were teenagers in 1982, Mr Kavanaugh and a friend pushed her into a room and that he held her down and tried to take off her clothes.

Dr Ford said she feared that she would be raped and accidentally killed.

Mr Kavanaugh told the committee that he believed the allegations were part of an orchestrated political campaign from Democrats who do not want him confirmed.

He said he did not know any of the women who have accused him of wrongdoing and he produced calendars from the time that he claimed exonerated him.

In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing Show all 21 1 /21 In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing WASHINGTON, DC - SEPTEMBER 04: Protesters disrupt the confirmation hearing for Supreme Court nominee Judge Brett Kavanaugh before the Senate Judiciary Committee in the Hart Senate Office Building on Capitol Hill September 4, 2018 in Washington, DC. Kavanaugh was nominated by President Donald Trump to fill the vacancy on the court left by retiring Associate Justice Anthony Kennedy. (Photo by Chip Somodevilla/Getty Images) Chip Somodevilla Getty Images In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing A member of Code Pink protests as US Supreme Court nominee Brett Kavanaugh arrives on the first day of his confirmation hearing in front of the US Senate on Capitol Hill in Washington DC, on September 4, 2018. - President Donald Trump's newest Supreme Court nominee Brett Kavanaugh is expected to face punishing questioning from Democrats this week over his endorsement of presidential immunity and his opposition to abortion. Some two dozen witnesses are lined up to argue for and against confirming Kavanaugh, who could swing the nine-member high court decidedly in conservatives' favor for years to come. Democrats have mobilized heavily to prevent his approval. (Photo by Brendan Smialowski / AFP)BRENDAN SMIALOWSKI/AFP/Getty Images BRENDAN SMIALOWSKI AFP/Getty Images In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing epa06996310 Circuit judge Brett Kavanaugh prepares to testify before his Senate confirmation hearing to be an Associate Justice of the Supreme Court of the United States in the Hart Senate Office Building in Washington, DC, USA, 04 September 2018. President Trump nominated Kavanaugh to fill the seat of retiring justice Anthony Kennedy. If confirmed, Kavanaugh would give conservatives a five-member majority in the high court. EPA/MICHAEL REYNOLDS MICHAEL REYNOLDS EPA In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing WASHINGTON, DC - SEPTEMBER 04: Protesters dressed in The Handmaid's Tale costume, protest outside the hearing room where Supreme Court nominee Judge Brett Kavanaugh will testify before the Senate Judiciary Committee during his Supreme Court confirmation hearing in the Hart Senate Office Building on Capitol Hill September 4, 2018 in Washington, DC. Kavanaugh was nominated by President Donald Trump to fill the vacancy on the court left by retiring Associate Justice Anthony Kennedy. (Photo by Win McNamee/Getty Images) Win McNamee Getty Images In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing A protester is removed during a hearing of the Senate Judiciary Committee on the nomination of Brett Kavanaugh to the US Supreme Court September 4, 2018 in Washington, DC. - President Donald Trump's newest Supreme Court nominee Brett Kavanaugh is expected to face punishing questioning from Democrats this week over his endorsement of presidential immunity and his opposition to abortion. Some two dozen witnesses are lined up to argue for and against confirming Kavanaugh, who could swing the nine-member high court decidedly in conservatives' favor for years to come. Democrats have mobilized heavily to prevent his approval. (Photo by Brendan Smialowski / AFP)BRENDAN SMIALOWSKI/AFP/Getty Images BRENDAN SMIALOWSKI AFP/Getty Images In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing A woman stands and voices her opposition to Supreme Court nominee Brett Kavanaugh, during a Senate Judiciary Committee confirmation hearing on his nomination for Supreme Court, on Capitol Hill, Tuesday, Sept. 4, 2018, in Washington. (AP Photo/Jacquelyn Martin) Jacquelyn Martin AP In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing WASHINGTON, DC - SEPTEMBER 04: Supreme Court nominee Judge Brett Kavanaugh arrives for testimony before the Senate Judiciary Committee during his Supreme Court confirmation hearing in the Hart Senate Office Building on Capitol Hill September 4, 2018 in Washington, DC. Kavanaugh was nominated by President Donald Trump to fill the vacancy on the court left by retiring Associate Justice Anthony Kennedy. (Photo by Win McNamee/Getty Images) Win McNamee Getty Images In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing WASHINGTON, DC - SEPTEMBER 04: Protesters disrupt the start of the Supreme Court nominee Judge Brett Kavanaugh's confirmation hearing before the Senate Judiciary Committee in the Hart Senate Office Building on Capitol Hill September 4, 2018 in Washington, DC. Kavanaugh was nominated by President Donald Trump to fill the vacancy on the court left by retiring Associate Justice Anthony Kennedy. (Photo by Mark Wilson/Getty Images) Mark Wilson Getty Images In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing A protestor is carried out by security as US Supreme Court nominee Brett Kavanaugh attends the first day of his confirmation hearing in front of the US Senate on Capitol Hill in Washington DC, on September 4, 2018. - President Donald Trump's newest Supreme Court nominee Brett Kavanaugh is expected to face punishing questioning from Democrats this week over his endorsement of presidential immunity and his opposition to abortion. Some two dozen witnesses are lined up to argue for and against confirming Kavanaugh, who could swing the nine-member high court decidedly in conservatives' favor for years to come. Democrats have mobilized heavily to prevent his approval. (Photo by Brendan Smialowski / AFP)BRENDAN SMIALOWSKI/AFP/Getty Images BRENDAN SMIALOWSKI AFP/Getty Images In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing A woman stands and voices her opposition to Supreme Court nominee Brett Kavanaugh, during a Senate Judiciary Committee confirmation hearing on his nomination for Supreme Court, on Capitol Hill, Tuesday, Sept. 4, 2018, in Washington.(AP Photo/Jacquelyn Martin) Jacquelyn Martin AP In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing A protestor is escorted out of the room as US Supreme Court nominee Brett Kavanaugh attends the first day of his confirmation hearing in front of the US Senate on Capitol Hill in Washington DC, on September 4, 2018. - President Donald Trump's newest Supreme Court nominee Brett Kavanaugh is expected to face punishing questioning from Democrats this week over his endorsement of presidential immunity and his opposition to abortion. Some two dozen witnesses are lined up to argue for and against confirming Kavanaugh, who could swing the nine-member high court decidedly in conservatives' favor for years to come. Democrats have mobilized heavily to prevent his approval. (Photo by Brendan Smialowski / AFP)BRENDAN SMIALOWSKI/AFP/Getty Images BRENDAN SMIALOWSKI AFP/Getty Images In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing U.S. Supreme Court nominee judge Brett Kavanaugh points to his daughters as his wife Ashley looks on before the start of his Senate Judiciary Committee confirmation hearing on Capitol Hill in Washington, U.S., September 4, 2018. REUTERS/Chris Wattie CHRIS WATTIE REUTERS In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing A woman protests as US Supreme Court nominee Brett Kavanaugh arrives on the first day of his confirmation hearing in front of the US Senate on Capitol Hill in Washington DC, on September 4, 2018. - President Donald Trump's newest Supreme Court nominee Brett Kavanaugh is expected to face punishing questioning from Democrats this week over his endorsement of presidential immunity and his opposition to abortion. Some two dozen witnesses are lined up to argue for and against confirming Kavanaugh, who could swing the nine-member high court decidedly in conservatives' favor for years to come. Democrats have mobilized heavily to prevent his approval. (Photo by Brendan Smialowski / AFP)BRENDAN SMIALOWSKI/AFP/Getty Images BRENDAN SMIALOWSKI AFP/Getty Images In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing U.S. Capitol police officer lead detained protesters out of the start of U.S. Supreme Court nominee Judge Brett Kavanaugh's Senate Judiciary Committee confirmation hearing on Capitol Hill in Washington, U.S., September 4, 2018. REUTERS/Joshua Roberts JOSHUA ROBERTS REUTERS In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing A protester is removed during a hearing of the Senate Judiciary Committee on the nomination of Brett Kavanaugh to the US Supreme Court September 4, 2018 in Washington, DC. - President Donald Trump's newest Supreme Court nominee Brett Kavanaugh is expected to face punishing questioning from Democrats this week over his endorsement of presidential immunity and his opposition to abortion. Some two dozen witnesses are lined up to argue for and against confirming Kavanaugh, who could swing the nine-member high court decidedly in conservatives' favor for years to come. Democrats have mobilized heavily to prevent his approval. (Photo by Brendan Smialowski / AFP)BRENDAN SMIALOWSKI/AFP/Getty Images BRENDAN SMIALOWSKI AFP/Getty Images In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing A protester is removed during a Senate Judiciary Committee confirmation hearing for U.S. Supreme Court nominee judge Brett Kavanaugh on Capitol Hill in Washington, U.S., September 4, 2018. REUTERS/Joshua Roberts JOSHUA ROBERTS REUTERS In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing A protester is removed during a hearing of the Senate Judiciary Committee on the nomination of Brett Kavanaugh to the US Supreme Court September 4, 2018 in Washington, DC. - President Donald Trump's newest Supreme Court nominee Brett Kavanaugh is expected to face punishing questioning from Democrats this week over his endorsement of presidential immunity and his opposition to abortion. Some two dozen witnesses are lined up to argue for and against confirming Kavanaugh, who could swing the nine-member high court decidedly in conservatives' favor for years to come. Democrats have mobilized heavily to prevent his approval. (Photo by Brendan Smialowski / AFP)BRENDAN SMIALOWSKI/AFP/Getty Images BRENDAN SMIALOWSKI AFP/Getty Images In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing epa06996576 A protester is removed as circuit judge Brett Kavanaugh appears before his Senate confirmation hearing to be an Associate Justice of the Supreme Court of the United States in the Hart Senate Office Building in Washington, DC, USA, 04 September 2018. President Trump nominated Kavanaugh to fill the seat of retiring justice Anthony Kennedy. If confirmed, Kavanaugh would give conservatives a five-member majority in the high court. EPA/JIM LO SCALZO JIM LO SCALZO EPA In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing epa06996814 Protesters inside the Hart Senate Office building under arrest as Brett Kavanaugh appears before his Senate confirmation hearing to be an Associate Justice of the Supreme Court of the United States in the Hart Senate Office Building in Washington, DC, USA, 04 September 2018. President Trump nominated Kavanaugh to fill the seat of retiring justice Anthony Kennedy. If confirmed, Kavanaugh would give conservatives a five-member majority in the high court. EPA/TASOS KATOPODIS TASOS KATOPODIS EPA In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing US Capitol Police arrest a protestor during the US Senate Judiciary Committee confirmation hearing for Judge Brett Kavanaugh to be an Associate Justice on the US Supreme Court, on Capitol Hill in Washington, DC, September 4, 2018. - President Donald Trump's newest Supreme Court nominee Brett Kavanaugh is expected to face punishing questioning from Democrats this week over his endorsement of presidential immunity and his opposition to abortion. Some two dozen witnesses are lined up to argue for and against confirming Kavanaugh, who could swing the nine-member high court decidedly in conservatives' favor for years to come. Democrats have mobilized heavily to prevent his approval. (Photo by SAUL LOEB / AFP)SAUL LOEB/AFP/Getty Images SAUL LOEB AFP/Getty Images In pictures: Chaos and fury at Brett Kavanaugh's confirmation hearing US Capitol Police arrest a protestor during the US Senate Judiciary Committee confirmation hearing for Judge Brett Kavanaugh to be an Associate Justice on the US Supreme Court, on Capitol Hill in Washington, DC, September 4, 2018. - President Donald Trump's newest Supreme Court nominee Brett Kavanaugh is expected to face punishing questioning from Democrats this week over his endorsement of presidential immunity and his opposition to abortion. (Photo by SAUL LOEB / AFP)SAUL LOEB/AFP/Getty Images SAUL LOEB AFP/Getty Images

The Reuters/Ipsos poll, which was conducted after the allegations were publicised, also found that 41 per cent of adults opposed Mr Kavanaugh for the Supreme Court.