Hello how may I help you? help me with world records Sure thing! What record can I look up for you? who is the tallest man in the world? You want me to look up the tallest man in the world, is this correct? that is correct The tallest man in the world is Robert Wadlow! how tall is he? He was 8 feet and 11.1 inches! is he still growing? No. He has been dead for a while now.