When Biden 2020 voters cast a ballot for someone besides Harris in 2024 were asked “Which one of the following issues was MOST important in deciding your vote?” they selected:
29% - Ending Israel’s violence in Gaza
24% - The economy
12% - Medicare and Social Security
11% - Immigration and border security
10% - Healthcare
9% - Abortion policy
5% - Don’t know
Here's a quote from the poll: