2024 US presidential polls: Harris taps into near-record levels of enthusiasm

Find out who's up and who's down in the latest US presidential election opinion polls

Kamala Harris's entry into the presidential race has given a shot in the arm to Democratic voters, who are now expressing near-record enthusiasm levels, fresh polling data shows.

While the figures from Gallup indicate rising enthusiasm among all voters - including Republicans - over the past five months, comparative figures show a much steeper increase among Democrats - indicating that Harris's replacement of Joe Biden as presidential candidate is the likely driving factor.