I think this is really interesting and it shows that Trump 2020 is actually REALLY impressive for a failed candidate and people overlook that at their own peril.
I definitely agree with this, and I strongly believe Trump is the strongest 2024 candidate on the Republican side, though of course it is very early.
I also find it a bit saddening that even with Turnout being as high as it was, Joe Biden still did not get more votes than "Did not vote".
I have read that in 2000 a lot of people saw the parties as being "Tweedledee and Tweedledum", and that lines up with what you have here.
Interesting that McCain did better than Bush on this metric; I knew 2008 was a high turnout election but I didn't know it was that high. On that front, it seems that turnout matters way more than your % when it comes to this. Does that line up with what you saw?
It is a bit surprising that Trump 2016 is so low; with him turning out so many non-voters I would have expected him to be higher up. Though maybe that was more of a 2020 thing?
In any case, excellent job Mikado, really interesting stuff!