There Are More Slaves in the World Than Ever – These Countries Have the MostThere Are More Slaves in the World Than Ever – These Countries Have the MostThis post may contain links from our sponsors and affiliates, and Flywheel Publishing may receive compensation for actions taken through them. In some cases, slavery is sponsored by the government (as it is in the two countries where modern slavery is most prevalent). However, modern slavery has reached alarming levels, with an estimated 50 million people worldwide impacted, according to Walk Free. This article is countdown-style, so the country with the highest prevalence of modern slaves will be at the bottom. Legacy of Hereditary SlaveryHomoCosmicos / iStock via Getty ImagesWhile no longer legally slaves, modern slaves in Mauritania are kept in slavery through generational poverty, limited access to education, and weak legal enforcement.