Demographic causes of Migration:
1. In demographic sense, the population composition like age and sex, over population and under population are the major causes of migration.
2. It is well known fact that adults are more migratory than any other age-groups.
3. Women mostly migrate after their marriage.
4. Generally over population is considered as a push factor and under population to be Pull factor in the context of migration.
Political cause of Migration:
1. Various political causes like colonization, wars, government policies etc. have always been playing important role in human migration from time to time.
2. Wars have been one of the significant causes of migration since ancient time.
