Births by Sex Ratio

The Question:

What is the ratio of males to females at birth in the U.S.?

The Answer:

According to the CIA World Factbook, as of 2011, there are 1,047 males born per 1,000 females.

Here is a link to our Live Births by Sex and Sex Ratio chart. See how this data has fluctuated since 1983.

-The Fact Monster

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