How hard is it to find people over 30 who have never had a relationship?

So I have some friends who are seeking marriageable prospects and are virgins aged 23-25 (mostly female) looking for males 30+ but their no.1 requirement is that the boy should be a virgin and never has had a relationship.

Is this rare to find? I think the main thing is they do not want a man who has been with everyone and most definitely will not be with just anyone.

How hard is it to find people over 30 who have never had a relationship?
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