Originally Posted by Old_Toot
Where did these numbers come from ?


The CDC mostly. They are a bit out of date...births to single mothers have dropped some in the last few years along with overall birth rates.

Here is a 2018 summary

The chart below uses 2015 CDC data.

[Linked Image from i.ibb.co]

And this one shows some historical rates, mostly CDC data the NCHS used.

[Linked Image from i.ibb.co]