Inmigration happens around the world since the ancient ice age, it refers to people who were born in one place, and later on, decide to live in another city. Even though migration happens across different types of countries, it is more usual that a person migrate from an "on development country" or "poor country" to a "developed country" or "rich country". The reasons why people migrates vary among money, culture, dreams, society, love, etc. and all of them despite their reasons are valid.