Wait, millions of people have gone through gender reassignment? Like, that seems really high.
Another "leader" - Iran. Muslim authorities are strongly contra for homosexualism but gender correction is a right thing
Hijras/Transgender are still relegated to an inferior status and it is still treated as a "mental illness" in Iran legally speaking.
But, then again, if you are a closeted gay man in a very traditionalist household in a conservative town and from a lower class background, you could either remain closeted your whole life, openly come out and get lynched, or choose to transition and then "only" get shunned and stigmatized.