Of all detainees at Guantanamo, Afghans were the largest group (29 percent), followed by Saudi Arabians (17 percent), Yemenis (15 percent), Pakistanis (9 percent), and Algerians (3 percent).
The majority of individuals held at Guantanamo were from Afghanistan, accounting for 29 percent, followed by Saudis, who comprised 17 percent, along with Yemenis making up 15 percent, Pakistanis 9 percent, and Algerians 3 percent.