Primaries being held on Tuesday could push Trump over the line.
Neither candidate is viewed as more popular than unpopular, recent polling has consistently shown, with more people disapproving of both than approving.
Around two thirds of voters disapproved of his handling of immigration and the Middle Eastern conflict, the ABC/Ipsos poll found.
However, political scientists have suggested Biden's base will hold their nose over the issue when faced with the prospect of a Trump victory.
Former president and 2024 presidential hopeful Donald Trump seen after speaking at a campaign event in Rome, Georgia, on March 9, 2024.
Recent polling suggests the Republican candidate continues to be viewed unfavorably by a... Former president and 2024 presidential hopeful Donald Trump seen after speaking at a campaign event in Rome, Georgia, on March 9, 2024.
Recent polling suggests the Republican candidate continues to be viewed unfavorably by a majority of voters. »