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Kamala Harris’s coalition is bigger than Biden’s — but less efficient

Can Kamala's broader coalition win the White House? Credit: Getty

September 27, 2024 - 1:00pm

Joe Biden’s withdrawal from the US presidential race in July saw an effective reset of the election, leading to renewed hopes for the Democrats’ chances of retaining the White House. Recent polling evidence indicates that Kamala Harris is a stronger electoral asset than Biden, but their supporters differ in important ways.

Crucially, Harris seems to have reunited the party, persuading swing voters that she can be trusted in power. Under Biden, the Democratic coalition was dwindling to include only the party faithful. The latest Focaldata polling has found that Harris’s biggest gains in approval compared to Biden are not with the strongly Democratic base, but with those who characterise themselves as “not very strong” or “lean” Democrats. She has gained a massive 28 points with the former group (Biden +44 approval versus Harris +73) and an even larger 36 points with the latter (+44 to +79).

Harris makes big gains with Democratic leaners
Change in net approval rating: Joe Biden vs. Kamala Harris

We also see that Harris has re-energised many young people towards the Democrats, particularly young women. While Biden’s presidency saw net negative ratings with 18-34 year olds, Harris has climbed to +27 with young men and +31 with young women, seeing a near 50-point jump with women under 25. The Harris team should still be worried, however, that she remains underwater and sees her smallest gains with voters aged 55+, who have the highest turnout across the age groups.

Likewise, the demographics with whom Harris sees her biggest gains tend to be less concentrated in swing states. Some of her biggest improvements on Biden’s scores are with Hispanic voters, for example, but the seven key swing states in this election are much less Hispanic than the nation as a whole — only about half as many eligible voters (8%) are of Hispanic or Latino origin compared to the rest of the country (15%). Swing state voters are also whiter than average (74% vs 71%), and are marginally more likely to be aged over 55. The Harris coalition therefore looks less efficient in electoral terms than Biden’s, with a younger, more female and more diverse outlook, perhaps landing somewhere between Hillary Clinton voters in 2016 and Barack Obama voters in 2012.

The most important issues to voters differ greatly by partisanship, but we see a surprisingly large difference in priorities between those who have a favourable view of the current Democratic nominee and her predecessor. Among Biden favourables, there is little separating the top three issues of inflation/cost of living (37%), abortion (36%) and democracy (33%). Among those with a favourable view of Harris, inflation climbs by double figures to 48%, abortion drops to 31%, and democracy falls by 12 points to just 21%, replaced in the top three by healthcare (26%).

Pro-Harris voters focus on 'bread and butter' issues
Change in top issues: Joe Biden vs Kamala Harris

These changes in salience are partly a function of the Harris electorate taking on board a larger share of Democratic leaners, whose policy priorities match the general public more than those of party activists, but they also highlight the task facing Harris in speaking to a broader audience as opposed to the hardcore Democratic base.

The Democratic coalition is less efficient than in 2020, and the voters giving Harris a hearing are much more focused on typical election issues. They are more concerned with inflation than abortion, and the precariousness of the healthcare system as opposed to the health of the nation’s democracy. The Harris-Walz ticket must give these voters a clear economic message tailored for working Americans. Grandiose claims about saving democracy from sinister forces may fall on deaf ears.


Patrick Flynn is a data journalist at Focaldata

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Caradog Wiliams
Caradog Wiliams
15 days ago

As the results are presented, the thing which hits you is that the new Democrat candidate is much less concerned about democracy than the old Democrat candidate, which is interesting.
Presumably, the poll gave a list of issue and asked for a ranking in importance rather than an absolute score.
Presented as a ranking, the results become meaningless. For example, abortion is less of an issue because she is a woman and would be more sympathetic to various concerns. Also, Biden had been President, an autocratic job, so that people might question his commitment to democracy but the new candidate has always been behind the front line where democracy is possible – if you don’t have to pull the trigger in a hurry you can have a discussion first.
Sorry but I remain cynical about polls.

Alex Lekas
Alex Lekas
15 days ago

The Dem coalition has always been the same: a loose mix of single-issue interest groups united by their common desire to have govt enforce their point of view. At one point, this was civil rights, gay rights, feminism, animal rights, environmentalism, and organized labor. It has since shifted to include Wall St, Silicon Valley, Big Media, academia, and Hollywood.
Grandiose claims about saving democracy from sinister forces may fall on deaf ears. —–>Such claims also fail before eyes that see you trying to keep an opponent off the ballot, then trying to imprison him, and now moving to hit teams.

Martin M
Martin M
12 days ago
Reply to  Alex Lekas

“Hit teams”? Really?