The CDC reports that the 2011 US birth rate hit a historic low, at 63.2 births per 1000 women aged 15.44.  The prior low was 63.6 in 1997.  The rate in 2010 was 64.1, down from a recent high of 69.3 in 2007.  This confirms the CDC’s earlier report in May of this year, and provides details on age, race and marital status of the new moms.

Results— The 2011 preliminary number of US births was 3,953,593, 1 percent less (or 45,793 fewer) births than in 2010; the general fertility rate (63.2 per 1,000 women age 15-44 years) declined to the lowest rate ever reported for the United States. The number of births declined for most race and Hispanic origin groups in 2011, whereas the rate declined only for Hispanic, non-Hispanic black and AIAN women. • The birth rate for teenagers 15-19 years fell 8 percent in 2011 (31.3 births per 1,000 teenagers 15-19 years), another record low, with rates declining for younger and older teenagers and for all race and Hispanic origin groups. • The birth rates for women in their twenties declined as well, to a historic low for women aged 20-24 (85.3 births per 1,000). • The birth rate for women in their early thirties was unchanged in 2011 but rose for women aged 35-39 and 40-44. • The birth rate for women in their late forties was unchanged in 2011. • The first birth rate in 2011 (25.4 births per 1,000) was the lowest ever recorded for the United States. • The birth rate, the number of births, and the percentage of births to unmarried women each declined for the third consecutive year. The birth rate was 46.1 birth per 1,000 unmarried women aged 15-44 and the percentage of births to unmarried women was 40.7.  (CDC, NVSR 61.5, October 2012)

The big birth rate declines we’ve seen since the recent high in 2007 (a 9% fall overall between 2007 and 2011) have been sharpest among teens 15-19 (a 25% drop over the four years) and to young women 20-24 (down 19%).   Both of those rates hit historic lows in 2011.

On the other hand, rates among women 25-29 have fallen 9% since 2007.   Rates among women 30-34 fell 4% between 2007 and 2010 and held steady in 2011.  Rates to women 35-39 also fell 4% between 2007 and 2010, but rose 3% in 2011. Rates to women 40-44 never fell: they’d been rising steadily since 1981, and rose another 7% between 2007 and 2011. 
Big changes to US birth timing, continuing the trend toward delaying motherhood that this blog has been tracking lo these several years.

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