Recent polls have shown a tightening race, with Clinton's once-comfortable lead narrowing sharply. The latest Reuters/Ipsos poll gives Clinton a 4-point lead, 41% to Trump's 37%, among likely voters.
According to a Bloomberg poll, Trump and Clinton were tied at 46% in a head-to-head race, while Trump led by 43% to 41% if the other two primary candidates, Gary Johnson from the Libertine Party and Green Party’s Jill Stein, were included.