Abstract
Migration is conceived as human mobility from one place to another preferable place. The migration is broadly divided into two main streams. First one is voluntary migration that is migration by choice and second one is involuntary migration which caused by forced to leave the land of inheritance. This article explains the major causes of involuntary migration and its related different terms used around the world such as Refugees, Asylum Seekers, Internally Displaced Persons (IDPs), Development Displaces, environmental and Disasters Displaces, Smuggled People and Trafficked People. The Study reveals that major contribution of migration induced by conflicts and violence 28.8 million people in 2012 and during the five years (from 2008 to 2012) 143.9 million people migrated due to natural disasters, this figure taken from 125 countries. In addition, people are uprooted on the name of development projects which contributes 250 million in 1990s and also the figure highlighted that every year 15 million people migrated globally in the 21st century. The largest development displaces are reported from India (60 million people) and China (40 million people).
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