10 Things You Didn't Know About Mothers

It has been said time and again that the most underpaid and unappreciated job is motherhood. I can't say that I disagree. For most, moms are there for us through thick and thin and can always be counted on to save our sorry rears when we screw up.

Number of mothers in the world: 

Number of American mothers on Facebook: 

Amount spent annually on Mother's Day cards: 

Number of woman in the United States that have given birth in the past 12 months: 

First American celebration of Mother's Day: 

Number of births in the United States in 2012: 

Country with the highest children born per woman: Niger: 

Average number of children born per woman in the United States: 

The mean age of mother's first birth in the United States: 

First mother in space: 

Labels: holiday, moms, Mother's Day, women