I think the guy who made this is MGTOW. I'm not sure, but it kind of seems like it. Basically, it shows what we already know, but it a more clear way. You can maybe share this with any women who are interested in learning why men are MGTOW rather than shaming them. The data clearly shows that by 30, the first "man deserts" appear that aren't just statistical anomalies. As you progress the bar with a tightened age range, we can clearly see that every city becomes a "man desert".

This suggests that at around 30, men start to date down to the 25 or younger category... as men get to be 45, they may reach down to 25-35. It gets worse for women as they age and it clearly shows. This data does not include dating, so it's a bit inaccurate, but still shows valuable information.

It would be nice to see what percentage of the younger men are actually off the market, though, and not just single. We don't really know how many of the younger men are either incels, MGTOW, or just players that will never settle, even if they do manage to get a woman pregnant.

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http://jonathansoma.com/singles/#10/10/2/0