the average American family has three children or less now Further Family Size Among Mothers the average American family has three children or less now Further Pew Research Further only 11% of women having just one child average has 2.4 children Pew Research Center Pew Research Further the average American family has three children or less now 2.4 children Further 2015 population survey analysis Pew Research having three or more children 2.4 children Pew Research will have 2.4 kids Pew Research Further almost doubled the average American family has three children or less now two children Further slowly shrinking Family Size Among Mothers Pew Research Center Further size of the average American Further 2.4 children Pew Research Further Pew Research Center Further more than one child Further Pew Research Center according to data from the Pew Research Center 2.4 kids four or more children are correlated Pew Research