That was a pretty good overview of the marriage market. There are more complications, e.g. gender-role expectations are changing on both sides, and some trends (e.g. obesity) are making people less marriageable.

The marriage market has segments, e.g. the situation for black women is far more dire, as documented and discussed here:

http://imfwp.law.stanford.edu

Here's one partial solution: reduce the number of years we spend in education. Surely education could be performed more efficiently? A doctor in the US needs at least 8 years of university on top of 12 years of schooling.