World slave trade at 45.8 million, U.S. has 57,700
Source: 2016 Global Slavery Index released by Walk Free Foundation. World map of today's slave trade by country.
N. Korea, Uzbekistan, Cambodia, India, and Qatar have the largest slave populations in the world.
The map below starts at first minute, five seconds (1:05) of four minute video (3:52)
Kristie Lu Stout breaks down the 2016 Global Slavery Index with Matthew Friedman of the Mekong Club, a non-profit organization that fights slavery




