Current detainee census: 162, from 23 countries.
Youngest: 27 or 28, Hassan bin Attash of Yemen.
Oldest captive: 66, Saifullah Paracha of Pakistan.
Captives now designated for indefinite detention, without charge or trial: 46.
Captives approved for transfer or repatriation to their homelands, some with conditions, since January 2010, if not earlier: 82.
Pentagon forces assigned to detention operations: A total of 2127, as of Nov. 6, 2013 -- fewer than 300 of them civilians, mostly contractors, and the overwhelming majority of troops from the U.S. Army. Navy prison hospital staff numbers around 137.
Total number of residents at Guantánamo 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. $2.7 million per prisoner in a summer of 2013 Congressional Democrat crunch based on Defense Department figures.
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 cell block 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 bed sheet 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 prostheses: 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: 13 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 transfer: Algerians Djamel Ameziane and Belkacem Bensayah on Dec. 5, 2013, despite their objections to repatriation.
Last detainee resettlement: 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: 98. (As of Oct. 24, 2013)