Some 50% of Biden supporters in the poll described their vote as being "against Donald Trump and his policies," compared to 38% who said they would be voting "to support Joe Biden and his policies."
Twelve percent of Biden's supporters said they were unsure which reason better explained their pick.
Among Trump's supporters, 40% said they would be voting against Biden and 42% said they would vote for Trump to support the Republican and his policies.
The new Reuters/Ipsos poll showed significant support for independent candidate Robert F. Kennedy Jr, an anti-vaccine activist and scion of a storied political family.
In a hypothetical three-way contest, 30% of poll respondents picked Biden, 32% picked Trump and 20% selected Kennedy.
Persons:
Joe Biden, Jonathan Ernst, Donald Trump, Biden, Trump, Republican Trump, Biden's, Michael Ceraso, Barack Obama's, Jesse Ferguson, Democratic Hillary Clinton's, Robert F, Kennedy Jr, Kennedy, Jason Lange, James Oliphant, Nandita Bose, Scott Malone, Daniel Wallis
Organizations:
REUTERS, Rights, Democratic, Reuters, Republican, Biden, Trump, Democrats, U.S ., Thomson
Locations:
Tioga, Philadelphia , Pennsylvania, U.S, Georgia, North Carolina