The Trump administration recently transferred immigration detainees from countries in Africa, Asia, Europe and the Caribbean to detention facilities at Guantanamo Bay.

In this June 7, 2014, file photo, the entrance to Camp 5 and Camp 6 at the U.S. military's Guantanamo Bay detention center, at Guantanamo Bay Naval Base, Cuba. (AP Photo/Ben Fox, File) ...

Of the total listed, more than a quarter — 218 — were Afghans. A total of 131 Saudis also passed through the prison gates at Guantanamo Bay Naval Base.