Haha, it's interesting. I'm a lesbian, never had an interest in kids. My brother is straight, never been interested in kids. My sister is a lesbian and has had two kids (so far?). It's just interesting to see what different people see as the barriers/reasons for not having kids (not having a dig, it's genuinely interesting!)
That's where it would be fascinating to see the statistics laid out for so many things side by side; how many more LGBTQ people are having families than in the past, same with infertile people, single people (more rare but it happens!) and then the ways that it's decreased too elsewhere. There are groups who are having more kids than ever before - because it's more accessible (IVF) and then obviously groups that aren't.
Then of course the way that life expectancy has increased which is where the balance gets tricky and the numbers are important.
I'm also curious if 4-5 kid families are still more common in any western countries than others. I'm in Australia and agree that they're rare here now. I'd see 2 as the norm though I'm going to jump down a rabbit hole now 😅 🐇