The youngest person to fly solo around the world is James Anthony Tan (Malaysia, b. 4 June 1991), who flew a 1980 Cessna P210N from 28 March to 14 May 2013. James completed the "1Malaysia Around the World" circumnavigation in Kuala Lumpur, Malaysia, aged 21 years 344 days.
James completed his circumnavigation in 48 days, covering 38,025 km (23,627.59 miles) and stopping in 19 countries.
Comments below may relate to previous holders of this record.