The ease with which an individual can travel to a different country relies on his or her passport.
Some countries are more open to allowing visitors than others.
For example, anyone with a passport can visit Cambodiawhich offers visas or visas on arrival to everyone.
Travel to Turkmenistanhowever, most will find it quite difficult. All passport holders must apply for a visa before departure.
The Passport index examines how hospitable each nation is, based on the number of nations that accept visa-free or visa-on-arrival.
Below is a map showing which countries are the least and most friendly to foreign visitors.
Source: Al Jazeera News
