Woineshet Zebene Negash of Ethiopia was abducted, raped and forced to sign a marriage contract when she was just 13. Now, 15 years later, her rights have been upheld.
You read the stories in our #15Girls series and posed some really good questions. (Wish we'd thought of them first.) Here are answers from our correspondents.
Do the world's mothers give birth to more boys than girls — or vice versa? What country has the top percentage of women in political power? Test your knowledge on the state of the world's girls.