Fastest time to visit all sovereign countries (male)

Fastest time to visit all sovereign countries (male)
Who
Yili Liu
What
3:097 year(s):day(s)
Where
Not Applicable (Ann Arbor, Michigan, USA)
When
Age Restriction: Applications for this record title will only be accepted if the applicant is 16 years of age or over.
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.