Donald Trump opens three-point lead over Kamala Harris in final Daily Mail poll before Election Day --Former president could be in line for a shock win in the popular vote | 31 Oct 2024 | Donald Trump has overtaken Kamala Harris in the final DailyMail.com/J.L. Partners national poll before Election Day, with the former president holding a three-point lead over the vice president. Both candidates have shored up their bases, but Trump has done better at picking up support from independents and undecided voters in the final push, according to the data. The poll of 1,000 likely voters, which has margin of error of plus or minus 3.1 percent, shows that Trump is trending up, with the support of 49 percent to Harris's 46 percent.