Mikaela Aquino
After replacing Joe Biden on the Democratic ticket, Kamala Harris is leading in most battleground states.
Harris has a 2.7 point lead over Donald Trump in the latest national poll average.
Harris is leading in six of the seven battleground states, while Trump is ahead in Nevada.
Polling in swing states varies, but Harris has gained momentum since joining the race.
A YouGov/Economist poll has Harris at 46% and Trump at 44%, with her support steady since she introduced Tim Walz as her running mate.
Trump has strong support among male voters, the 45-64 age group, and white voters without a college degree.
Harris holds well among young voters, female voters, and black voters, with a +68 point lead among black voters.
Harris faces a "personality difference" compared to Trump, whom some voters see as a stronger leader.
The selection of Tim Walz as Harris's running mate has received a generally positive response, with a +5 approval rating.
Trump's running mate J.D. Vance has the worst approval rating of any vice presidential candidate in history, creating division among Republican voters.