According to Guinness World Records, as of 2014, Sultan Kösen from Turkey is the tallest living person in the world since 2009. Sultan Kösen is 8 feet 3 inches tall according to the last measurement done by Guinness World Records on Feb. 8, 2011.
Sultan Kösen is a farmer from Turkey, and his height is a result of a tumor that affected his pituitary gland. He took over the title of the tallest living man from Bao Xishun, who has a height of 7 feet 9 inches. The tallest man ever to have lived on record was Robert Wadlow, who stood at 8 feet 11.1 inches.