Approximately 10.5 percent of North Korea's population including migrant workers and human trafficking victims are categorized as modern slaves according to data by the Walk Free Foundation.

According to Walk Free's Global Slavery Index, nearly 36 million people are living in modern slavery across the globe - that's 0.5 percent of the world's population.

Those are just a couple of the stats covered in an infographic (below) from SalesIntel. The piece examines 20 key content insights modern marketers should know, and includes data related to video ...