Past surveys indicate that 30 to 35 percent of all prostitutes in the Mekong sub-region of Southeast Asia are between 12 and 17 years of age.
Thailand’s Health System Research Institute reports that children in prostitution make up 40% of prostitutes in Thailand.
The United Nations Children's Fund (UNICEF) and the United Nations Population Fund (UNFPA) estimate that 2 million children are exploited in prostitution or pornography every year.
An estimated 12,000 Nepalese children, mainly girls, are trafficked for sexual commercial exploitation each year within Nepal or to brothels in India and other countries.
Some 84 % of girls in prostitution interviewed in Tanzania reported having been battered, raped or tortured by police officers and sungu sungu (local community guards). At least 60% had no permanent place to live. Some of these girls started out as child domestic workers.
UNICEF estimates that there are 60,000 child prostitutes in the Philippines and many of the 200 brothels in the notorious Angeles City offer children for sex.
In Brazil, UNICEF estimates that there are 250,000 children working in the child prostitution industry.
In El Salvador, one-third of the sexually exploited children between 14 and 17 years of age are boys. The median age for entering into prostitution among all children interviewed was 13 years. They worked on average five days per week, although nearly 10% reported that they worked seven days a week.
In Malaysia, an estimated 150 children enter the child sex trade each year.
In Vietnam, family poverty, low family education and family dysfunction were found to be primary causes for CSEC. Sixteen per cent of the children interviewed were illiterate, 38 % had only primary-level schooling. Sixty-six per cent said that tuition and school fees were beyond the means of their families.
In Sri Lanka, children often become the prey of sexual exploiters through friends and relatives. The prevalence of boys in prostitution here is strongly related to foreign tourism.