According to study released by Australian NGO Walk Free Foundation, there are 29.8 million people living as slaves in the world as of 2013. The foundation defined slaves as people who are in forced labor conditions, victims of human trafficking, children who were bought and sold, and women forced into marriage.
India has the most slaves in the world, with the number of slaves in the country reported to be between 13.3 million and 14.7 million people. China had the second most slaves, with 2.8 million to 3.1 million people living in slave-like conditions. Pakistan had the third most, with 2 to 2.2 million slaves.
Source: Krishnadev Calamur, “India, China Top List Of Nations With Most Slaves,” NPR, October 17, 2013, and Alexander Smith, “30 million people still live in slavery, human rights group says,” NBC News, October 17, 2013.