"Prostitution Turns Child Exploitation
Sex for payment is so common in Nairobi, on the coast of Kenya, particularly in the vacation towns of Mombasa and Malindi, that the thirst for prostitution has led to the widespread exploitation of children. Kenya is now considered one of the worldwide hubs for child sex tourism.
In 2006, UNICEF released a report on child trafficking in Kenya revealing that up to 30 percent of teenage girls ages as young as 12 living on the coast were involved in casual sex for cash"
From this article.