1- Robert Wadlow United States 2.72 m Tallest person in recorded history confirmed by Guinness World Records 2- John Rogan United States 2.68 m Second tallest male in recorded history. Weighed only 175 lb (79 kg). Unable to stand due to ankylosis 3- John F. Carroll United States 2.63 m 2.44 m (8 ft 0 in) standing height, 2.64 m (8 ft 7¾ in) assuming normal spinal curvature 4- Leonid Stadnyk Ukraine 2.57 m The tallest living person, though not officially recognized by Guinness World Records because he refuses to be measured according to their standards. 5- Väinö Myllyrinne Finland 2.51 m Recognized as the tallest living person from 1940 to his death in 1963. Said to have been 2.51 m in his thirties. 6- Edouard Beaupré Canada 2.51 m Tallest strongman as well as tallest wrestler in history. 7- Sultan Kösen Turkey 2.51 m The tallest living person since September 17, 2009, as determined by Guinness World Records. 8- Vikas Uppal India 2.49 m Was not officially measured by Guinness 9- Don Koehler United States 2.49 m Tallest in world for most of 1970s. Had twin sister who was 1.75 m (5 ft 9) tall 10- Bernard Coyne United States 2.49 m Coyne's World War I draft registration card, dated 29 August his height as 8 feet, although he had reached a height of 8 feet 2 inches (2.49 m) by the time of his death. Possibly reached up to 8 ft 4 in (2.54 m) 11- Patrick Cotter O'Brien Ireland 2.46 m Tallest person recorded at the time and the first in medical history to stand at a verified height of eight feet (2.44 m). Remains examined in 1972 and height verified. 12- Brahim Takioullah Morocco 2.46 m Possesses the world's largest feet at 1 ft 3 in (38 cm). 13- Morteza Mehrzad Iran 2.46 m Tallest man in Iran. 14- Julius Koch Germany 2.46 m Probably never the world's tallest person due to his life coinciding with that of John Rogan. Skeleton preserved in the Museum of Natural History in Mons, Belgium. 15- Gabriel Estêvão Monjane Mozambique 2.46 m Guinness World Records listed him as tallest man from 1988 to 1990. 16- Suleiman Ali Nashnush Libya 2.45 m Libyan who may have been the tallest basketball player. 17- Jean-Joseph Brice France 2.45 m Le Géant des Vosges Ramonchamp - France—Height controversy 18- Anton de Franckenpoint Germany 2.44 m Lived during Thirty Years' War; skeleton later measured at 8 ft 0 in (244 cm). 19- Zhang Juncai China 2.42 m Tallest living Chinese person. 20- Suparwono Indonesia 2.42 m Tallest Indonesian. Officially measured (lying down and in the standing position) by the Indonesian Record Museum (MURI) in December 2009.