The United States has the world's highest rate of children in detention, including more than 100,000 in immigration-related custody that violates international law, according toa United Nations study. Worldwide more than 7 million people under age 18 are held in jails and police custody

https://www.france24.com/en/20191119-us-has-world-s-highest-rate-of-children-in-detention-says-un