• Today, more than 600 million girls live in the developing world.
• More than one-quarter of the population in Asia, Latin America, the Caribbean, and sub-Saharan Africa are girls and young women ages 10 to 24.
• The total global population of girls ages 10 to 24—already the largest in history—is expected to peak in the next decade.
• Approximately one-quarter of girls in developing countries are not in school.
• Out of the world’s 130 million out-of-school youth, 70 percent are girls.
• One girl in seven in developing countries marries before age 15. 38 percent marry before age 18.
• One-quarter to one-half of girls in developing countries become mothers before age 18; 14 million girls aged 15 to 19 give birth in developing countries each year.
• 75 percent of 15- to 24-year-olds living with HIV in Africa are female, up from 62 percent in 2001.
• When a girl in the developing world receives seven or more years of education, she marries four years later and has 2.2 fewer children.
• An extra year of primary school boosts girls’ eventual wages by 10 to 20 percent. An extra year of secondary school: 15 to 25 percent.
• Research in developing countries has shown a consistent relationship between better infant and child health and higher levels of schooling among mothers.
• When women and girls earn income, they reinvest 90 percent of it into their families, as compared to only 30 to 40 percent for a man.
Source: The Girl Effect