From what I can find after a brief search, there's this one [0] that claims 63% for men, 34% for women, and [1] there's a a generally known toxicity around dating these days that makes these numbers entirely believable. I don't pretend to have a large enough network of acquaintances to make a good guess, but hardly anyone I know isn't single, and I know maybe two or three religious types that are actually married.
As for gen Z men being especially undesirable, there's well... [2].
[0] https://www.pewresearch.org/short-reads/2023/02/08/for-valen...
[1] https://old.reddit.com/r/GenZ/comments/1eo9bzj/interesting_b...
[2] https://www.ft.com/content/29fd9b5c-2f35-41bf-9d4c-994db4e12...