You have to take "rates of homosexuality" with a huge amount of skepticism considering it was often illegal until recently and could even get you killed. You ha

You have to take "rates of homosexuality" with a huge amount of skepticism considering it was often illegal until recently and could even get you killed. You have to assume any data from the 70s or earlier is severely under-reported. Any research into the subject was also taboo, frowned upon, or even actively discouraged, or outright disallowed.