Migration changes the population of a place, therefore, the distribution of the population is uneven in India. Many migrants are completely illiterate and uneducated, therefore, they are not only unfit for most jobs, but also lack basic knowledge and life skills.

global migration. noun [ U ] ECONOMICS. a situation in which people go to live in foreign countries, especially in order to find work: Most global migration is from developing countries to developed ones.

International migration probably will increase during the next decades because migration drivers, including economic pressures, changing age structures, population growth, rapid urbanization, and environmental stress, are likely to persist and intensify.

Who is a migrant? The UN Migration Agency, International Organization for Migration (IOM), defines a migrant as any person who is moving or has moved across an international border or within a State away from his/her habitual place of residence, regardless of: the person's legal status.