• Current detainee census: 166, from 23 countries.

• Youngest: 26 or 27, Hassan bin Attash of Yemen.

• Oldest captive: 65, Saifullah Paracha of Pakistan.

• Captives now designated for indefinite detention, without charge or trial: 46.

• Pentagon forces assigned to detention operations: 1,950, as of June 20 -- fewer than 300 of them civilians and the overwhelming majority of troops from the U.S. Army. Navy prison hospital staff numbers around 137.

• Total number of residents at Guantanamo on Feb. 20, 2013, by Navy base estimates: 6,171.

• Cost to house one detainee a year at prison camps: $800,000 by Obama administration July 2011 estimate.

• Detainees who died in the camps: Nine. Two Saudis and a Yemeni were found dead Camp 1 June 10, 2006 in what the Southern Command calls suicides by hanging; another Saudi, was found dead in Camp 5 in May 30, 2007 in what the Southern Command calls a suicide by hanging; an Afghan man at the detention center hospital in Dec. 30, 2007 in what the Southern Command said was colon cancer; a Yemeni man in the psychiatric ward June 1, 2009 in what the Southern Command called suicide, strangled by the elastic band from underwear, according to a military autopsy; an Afghan man designated for indefinite detention collapsed Feb. 1, 2011 in a cellblock after working out on an exercise machine in Camp 6 in what the Southern Command called a heart attack; and an Afghan man was found hanging from a bedsheet in a Camp 6 recreation yard on May 17, 2011 in what the the Southern Command called suicide. On Sept. 10, 2012 the military disclosed that another detainee was found dead in his Camp 5 cell two days earlier, on Sept. 8, 2012, in what Southern Command said was a suicide by overdose of drugs complicated by acute pneumonia.

• Captives in camps with prosthetics: Five as of Sept. 13, 2011.

• Size of Navy base: 45 square miles, straddling Guantánamo Bay, from prison camp to air strip.

• Prison camp commanders since 2002 opening: 12 admirals and generals.

• Captives who arrived Jan. 11, 2002, to inaugurate Camp X-Ray: 20

• Last known arrival: Muhammed Rahim al Afghani, described as a high-level al Qaeda captive, on March 14, 2008.

• Last detainee departure: Yemeni Adnan Latif in September 2012, who was found dead in a cell on Sept. 8 in what pathologists described as a suicide. His remains were stored at a U.S. base in Germany until his December 2012 repatriation to his homeland.

• Last live detainee departure: Two Uighur Muslim men to El Salvador on April 18, 2012, more than three years after a U.S. District Court ordered their release. They had been held at a separate detention compound with three other Uighur Muslim men, still there.

• Last convict departure: Canadian Omar Khadr, who pleaded guilty to war crimes in 2010 in exchange for a maximum eight-year prison sentence to be partially served in Canada, on Sept. 29, 2012.

• International Committee of the Red Cross visits to the detention center since it opened Jan. 11, 2002: 93.

• Daily calorie offering to each detainee: 4,500 according to a 9/12/2011 media briefing.

• Nations that have resettled cleared detainees who are not their citizens: 17: Albania, Belgium, Bermuda, Bulgaria, Cape Verde, El Salvador, France, Georgia, Germany, Hungary, Ireland, Latvia, Palau, Portugal, Slovakia, Spain, Switzerland.