Migrant sex work
Sex work and sex trafficking conflation is also a heavily debated legal topic. Several scholars argue that existing legal provisions aimed at combating human trafficking, such as the U.S. Trafficking Victims Protection Act and the 2000 United Nations Protocol to Prevent, Suppress and Punish Trafficking in Persons, especially Women and Children, do not adequately account for the variety of sex worker conditions and contexts, voluntary or involuntary. For instance, Filipina hostesses who migrate to Japan to work as entertainers must give up their legal documents to their recruiters during the migration process. While the law considers the process of giving up a passport to a third party intermediary as a condition of human trafficking, several scholars, activists, and the sex workers themselves do not regard this to be human trafficking, particularly when individuals consent to this component of the migration process.
Trafficking of children
The Optional Protocol on the Sale of Children, Child Prostitution and Child Pornography is a protocol of the Convention on the Rights of the Child, formally adopted by the United Nations in 2000. Essentially, this protocol formally requires states to prohibit the sale of children, child prostitution, and child pornography. According to the International Labour Organization, sexual exploitation of children includes all of the following practices and activities: 
Though measuring the extent of this practice is difficult due to its criminal and covert nature, the International Labour Organization estimates that there are as many as 1.8 million children sexually trafficked worldwide, while UNICEF's 2006 State of the World's Children Report reports this number to be 2 million. The International Labour Organization has found that girls involved in other forms of child labour - such as domestic service or street vending - are at the highest risk of being pulled into commercial child sex trafficking. Likewise, Kendall and Funk justifies how “young girls age 12 and under are malleable and more easily trained into their prospective roles as prostitutes, and because virginity is highly prized by certain consumers willing to pay a premium” (31).A variety of sources, including the I.L.O, and scholars Erin Kunze and D.M. Hughes, also contend that the increased use and availability of the Internet has served as a major resource for traffickers, ultimately increasing the incidence of child sex trafficking. In fact, in 2009, Illinois Sheriff Thomas J. Dart sued the owners of Craigslist, a popular online classifieds website, for its "allowance" and "facilitation" of prostitution, particularly in children. In response to public and legal pressure, Craigslist has since blocked all access to its "Adult Services" section.