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 largest proportion of detainees held at Guantanamo were Afghans, making up 29 percent, followed by Saudis, who accounted for 17 percent, along with Yemenis at 15 percent, Pakistanis at 9 percent, and Algerians at 3 percent.