I was reading an article in the New York Times on voter turnout titled Huge Turnout Is Expected In 2020. So, which party would benefit? I found something peculiar about how age affects voter turnout. I grabbed a screenshot of it on my phone.
It shows that Trump's approval was significantly lower among those who voted under 45, tied for those from 45 to 70 or so, and somewhat higher among those over 70. (I consider this reliable given how reliably partisan Trump approval is for predicting the presidential vote choice.)
I say "benefits Republicans" because of Trump's approval being higher among young nonvoters (or at least 2018 nonvoters) than voters, and young people are underrepresented especially in midterms.
Note: the article that this page is derived from is here. I am asking this because I am writing an article on the subject.