Maraaz 
The 3 percent increase in the workforce of high-income countries contributes to the gross domestic product globally. It is that it can contribute 356 billion dollars by 2025.
United Nations Development Program in its report on immigrants and their opportunities. Drew attention to the contribution of regular migration to development and economic recovery.
Forced migration doubled in the last 10 years to 79 million people. The report stated that combating the causes of migration is necessary for development. It was stated that the contribution of immigrants to the workforce is essential for economic recovery.
Economic growth of well-managed human mobility, reducing inequalities. The report pointed out that it will contribute to connecting different societies. Although only 3.5 percent of the world’s population are immigrants, it was stated that immigrants contributed 9 percent to global GDP in 2015.
In the report, according to the International Monetary Fund and World Bank research. One percent increase in immigrant population will increase per capita income by two percent. The 3 percent increase in the workforce of high-income countries.
