-In 2011, for every 1,000 women between 15 and 44, there was an average of 63.2 births. This is nearly half the birth rate during the height of the Baby Boom years in 1957, and the lowest birth rate since this type of data started being collected in 1920.
-From 2007 to 2010, overall births dropped 7%. During this time, births among US women dropped by 5%, births among immigrants dropped by 13%, and births among Mexican immigrants dropped by 23%.
-In 2010, first generation immigrants accounted for 23% of childbirths despite these immigrants only comprising 13% of the US population.
-Of US born women who gave birth in 2010, 11% were teens and 42% were unmarried — an increase in both areas.
-Of first generation immigrant women who gave birth in 2010, 5% were teens and 36% were unmarried.
-Of first generation immigrant women who gave girth in 2010, 21% were 35 or older.
-Of US women who gave birth in 2010, 13% were 35 or older.
-Pew researchers theorize that the recent drop in the birth rate is due to the recession.
-Pew researchers predict that by 2050, immigrants arriving since 2005 and their descendants will account for 82% of US population growth.
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