This is the only reason!!!
When a person from any other culture besides AA and West Indian hears that someone had a kid, they ask when the person got married.
Black men, whether they are marriage minded or not, are able to separate marriage from children so there's no rush to get married if you want to have a child or if you accidentally get someone pregnant. You don't have to have a child with "the one".
I guess the question is: why is that?
I think that in times past, a lot of it stemmed from not feeling like "true" men... leaders, heads of households etc.
I know some people view black men as the most "masculine" men, but I think even bm realize that their relative lack of being able to provide for (at least relative to the amount that their potential spouse, bw, can bring to the table) makes them feel like less of a provider/ protector and less likely to want to get married.
As much as these men complain about gold-diggers and not being captain-save-a-hoe, I think the natural instinct is for a man to want to provide and protect and when they know they can't really do that (financially, physically, emotionally or otherwise), they shy away from marriage.
Because of historical reasons, the black community has really blurred gender roles. As much as many of us don't support feminism, our women:man earning ratio is waaay above other races, we are seen as emotionally strong, we have to be stable for our families etc. Where does that leave room for husbands?
I am not blaming bw, I know we had to be strong out of necessity. I'm just saying that this merging of gender roles may make men less inclined to want to get married and assume the role of head of household, knowing he will never fully fit the role.
All that was passed down to where now, it has just become a cultural norm that bm don't have to get married.