[47282847]

There are three biological sexes: male, female, and inter. The latter is rare but exists.

https://en.wikipedia.org/wiki/Intersex

[CamperBob2]

Yep, a good reminder that fixed natural categories are another thing that we like to invent (and when we feel it necessary, impose by force), where they seldom exist in reality.

[ratg13]

2% of the world population doesn't sound like a lot, but you're still talking about 150 million people or half the population of the USA