Global estimates of human trafficking range from 600,000 to four million victims each year with the majority being victims of sex trafficking. This strikingly large range belies the difficulty in gathering, defining, and accountability of sex-trafficking data. Victims of sex trafficking may be forced into pornography, prostitution for the military or militia, spousal prostitution, and prostitution for the sex-tourism industry. In response to the problem of sex trafficking, many nations hav...