A Traveller is a person who travels, especially to distant lands by foot, bicycle, automobile, train, boat, bus, airplane, or other means and can be one way or round trip.

Reasons for traveling include recreation, tourism or vacationing, research travel, visiting people, volunteer travel for charity, migration to begin life somewhere else, religious pilgrimages and mission trips, business travel, trade, commuting, and other reasons, such as to obtain health care or waging or fleeing war.

According to the FAI guideline a total of 536 people from 38 countries have gone into space in non-winged rockets, the orbital space shuttle, or the sub-orbital scaled composites ‘SpaceShipOne’ rocket spaceplane.

Of the 536 people, 3 people completed only a sub-orbital flight, 533 people reached Earth orbit, 24 traveled beyond low Earth orbit and 12 walked on the Moon.