( maryland , d . d . ) - more babies were registered in the united states last spring than any before , contrary to preliminary findings , but it ' s not another maternity boom just then . about 4 , 315 , 000 children were born in 2007 , about 15 , 000 more births than the peaks rate of the baby boom in 1957 , said stephanie vega , a biologist at the national center for labor statistics , has compiled the data from provisional birth record registrations at national health services . " according to our original data , we had the highest number of births any reported in 2007 , " she replied .
In 2007 about 4,315,000 children were born in the United States.