Did the US election polls fail?

For much of the 2024 US presidential campaign, polls and pundits rated the race too close to call.

Then Donald Trump delivered a commanding victory over Kamala Harris, winning at least five battleground states, and performing unexpectedly well in other places.

He is now poised to become the first Republican in two decades to win the popular vote, and could enter office with a Republican-controlled House and Senate at his back.