People are moving from one place to another since ancient period, which is a continuous international phenomenon resulted due to complex mechanism, involving social, economic, psychological, political, institutional and other determinants. Migration is a form of geographical or spatial mobility, which involves a change of usual residence of a person between clearly defined geographical units. A person who crosses the boundary of own country or places of country is called an out-migrant. Emigration refers to movement out of a particular territory in connection with the international migration. On the basis of assumed causes influencing human movement, international migration can be broadly categorised into two groups: voluntary and involuntary. This article concentrates on voluntary international migration in Nepal although in many cases, the difference between voluntary and involuntary movements may be unclear