Will it be Kamala Harris or Donald Trump? Here’s what each needs to win the US election

While there is no clear favourite to win, there are several critical factors that will driving voters’ decisions on Election Day. This is what to watch.

Marcus Thomas delivers voting machines to polling places in New Orleans, in advance of Tuesday's presidential election, Monday, Nov. 4, 2024. (AP Photo/Gerald Herbert)

As the US goes to the polls, the presidential race is deadlocked. The polls are exceptionally close across the country and in all the swing states – Pennsylvania, Michigan, Wisconsin in the industrial midwest; Nevada and Arizona in the west; and Georgia and North Carolina in the south.

The final New York Times/Siena poll shows Democratic Vice President Kamala Harris leading by a very small margin or tied with Republican former President Donald Trump in all the swing states. The exception is Arizona, where Trump leads by a few percentage points.