Balawing, who just turned 18, is 23.5 inches tall, succeeding previous title holder Khagendra Thapa Magar from Nepal, who is 26 inches tall. A team from Guinness World Records made the announcement in the remote town of Sindangan, where Balawing lives, on his 18th birthday on Sunday. Claimants for the title must be at least 18 years old.