- Yili Liu
- Not Applicable (Ann Arbor, Michigan, USA)
The fastest time to visit all 194 United Nations member countries is 3 years 3 months and 6 days and was achieved by Yili Liu (USA) between 23 September 2007 and 29 December 2010. The countries were visited in 26 separate trips. All the journeys were travelled using public transport, mostly by aeroplane but some bus and train journeys also.