A damning United Nations report says that 7 million children are being held in a kind of detention.

They are deprived of their liberty worldwide, from children imprisoned on the U.S.-Mexico border to the missing children of ISIS fighters.

The Global Study on Children Deprived of Liberty says that at least 410,000 of those children are detained in jails, detentions, prisons, where violence is “endemic.”

The study also found that the number of children detained in detention in the context of armed conflict has dramatically risen.

The global study was published in November, on the 30th anniversary of the Convention on the Rights of the Child, the landmark international treaty affirming the world’s commitment to protecting children.

It is the most ratified U.N. Treaty in history — the United States is one of the only countries that hasn’t ratified the convention.

Democracy Now! is joined by Manfred Nowak, lead author of the U.N. Global Study on Children Deprived of liberty.

Nowak is also a human rights lawyer and U.N. independent expert. He served as the U.N. Special Rapporteur on Torture from 2004 to 2010.

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