Ravenstein, in his study of migration, suggested that there is an inverse relationship between the volume of migration and the distance between the source and destination. that is, the number of migrants as the distance they know they must travel increases.

Decrease

Explanation:

Migration: Human beings are moving for many decades. The migrant from one place to another place. Some people move from one place to another place for the purpose such as for study purposes, economy, work, etc. But some people migrant due to the reason of the violation of human rights, terrorism, some conflicts, and persecution. Most people move due to their adverse effects. Migrant can be any of the person who is moving across the international border or a state in their country from their birthplace. The migrant should have a legal permit, the purpose to visit and duration to stay in another country.

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