Hello how may I help you? Who is the tallest person in the world? Hi there! Do you mean the tallest living person today, or the tallest living person of all time? Tallest living person Got it! One moment while I process your request... Okay The tallest man living is Sultan Ksen (Turkey, b.10 December 1982) who measured 251 cm (8 ft 2.8 in) in Ankara, Turkey, on 08 February 2011. How old would that make him? One moment while your request is being processed... Sure I cannot seem to locate this information for you. Please try again later. Ok thanks