Good magazine provides a graphic on modern human trafficking. From Benjamin Skinner's article:

Slavery exists today on an unprecedented scale. In Africa, tens of thousands are chattel slaves, seized in war or tucked away for generations. Across Europe, Asia, and the Americas, traffickers have forced as many as 2 million into prostitution or labor. In South Asia, which has the highest concentration of slaves on the planet, nearly 10 million languish in bondage, unable to leave their captors until they pay off “debts,” legal fictions that in many cases are generations old.

Few in the developed world have a grasp of the enormity of modern-day slavery. Fewer still are doing anything to combat it.

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