The recruitment, harboring, transportation, provision, or obtaining of a person for the purpose of a commercial sex act where such an act is induced by force, fraud, or coercion, or in which the person induced to perform such act has not attained 18 years of age. 
Trafficking is estimated to be a $150,000,000,000 USD per year industry, affecting 161 countries. 
There are more than 30 million slaves in the world today.  It's estimated 4.5 million people are trafficked for sexual exploitation annually.
98% percent of trafficked sexually exploited victims are women and girls. 
The Metropolitan police in the UK estimates that trafficked women forced into prostitution see between 20 to 30 men a day, which would mean at least 7,300 contacts if forced to work every day of the year. 
Over 5,000 women and children have been trafficked from the Philippines, Russia and Eastern Europe and are forced into prostitution in bars servicing the U.S. Military in South Korea. 
Up to an estimated 300,000 American children are at risk for trafficking annually within the USA. 
Traffickers recruit women and children through deceptive means including falsified employment advertisements for domestic workers, waitresses and other low-skilled work and may be as close to home as a relative to the victim.