Hello how may I help you? I have a little trivia question to ask I can answer trivia questions, what would you like to find out? Who's the tallest person in the world For the query "Tallest person," would you like to know the current tallest person, or the tallest person of all time? Current tallest The current tallest human being is Sultan Kosen, who is 8 ft. 2.8 in. How old is he Sultan Kosen is currently 35 years old. Thanks! Anytime!