The baby bust does not appear to be going anywhere anytime soon with 2015 tying with 2013 for the lowest fertility rate on record. Wall Street Journal staffer Josh Zumbrun takes a look at the trends behind this historically low rate. (subscription required.)

Zumbrun points out that the bust is apparent but not comparable to the size of the bust between the 1960s and 1970s. He also notes that the total number of births from 2015 was just under 4 million, the record numbers are 4.32 million in 2007 and 4.3 million in 1957. The biggest change is when women are choosing to have children:

As recently as 40 years ago, women throughout their 20s had 2.5 times the births of women in their early 30s. Today, women in their early 30s have more children than women in their early 20s, and if current trends continue, they could have the most children of all in a few years.

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