From what I understand, percentage of abstaining registered voters have remained relatively consistent, but overall turnout spiked higher in 2020 and 2024 since the 60’s, and that higher turnout would not have impacted these elections to a different outcome.

While I take all polling nowadays with a shovel full of salt, there are some massively important details in this Pew study from exit polling that aren’t being talked about enough.

https://www.pewresearch.org/politics/2025/06/26/behind-trumps-2024-victory-a-more-racially-and-ethnically-diverse-voter-coalition/