Just days before the United Nations' first International Day of the Girl, Archbishop Desmond Tutu, chair of The Elders humanitarian organization, spoke to USA TODAY Opinion about the group's efforts to end child marriage worldwide.
"A family reaps far greater benefits if girls stay in school: for every year in primary school, the capacity of a girl grows by 20%!"
In the time it has taken to read this article 4 girls under the age of 18 have been married
Each year, 12 million girls are married before the age of 18
That is 23 girls every minute
Nearly 1 every 3 seconds