'Modern slavery' most common in North Korea and Eritrea: study
North Korea, Eritrea and Mauritania have the highest prevalence of modern slavery in the world, according to the 2023 Global Slavery Index published Wednesday, which noted a "worsening" situation globally since its last survey five years earlier.. By this benchmark, reclusive and authoritarian North Korea has the highest prevalence of modern slavery (104.6 per 1,000 population), according to the report.