I have never been able to find statistics on childless women and men. How many don't have children by their early 50's? (yes I know that men can have children at any age) The only people I come across in their 50's say they have kids (I only ever came across 1 person who didn't).

And an even more interesting statistic would be how many of them are childless not from their own choice? (this will only apply to men, unless the woman has a medical reason)

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The only thing I could find was almost 50% of 25-44 year old women will be single, childless and never married by 2030 https://www.morganstanley.com/ideas/womens-impact-on-the-economy but it doesn't cover the age range I'm looking for.