Americans also like to wave off the roughly 1/3 of eligible voters who don’t vote at all as if they just forgot or were too lazy to vote or something. A lot of people are disillusioned with the whole thing, but the partisans are the loudest and the media mostly cares about them so it makes it sound like it’s 50/50.
According to the latest gallup data about 27% identify with each of the two major parties and about 43% as independent (of major parties).
They call me Dr. Worm, I’m not a real doctor but I am a real worm