Nation January is National Slavery and Human Trafficking Prevention Month: What is it, and what are the signs? January 11, 2022Celina Tebor, USA TODAYComments Off on January is National Slavery and Human Trafficking Prevention Month: What is it, and what are the signs? The U.S. Department of State estimates as many as 24.9 million adults and children are trapped in some form of human trafficking around the world.