Internal migration

Internal migration tends to be travel for education and for economic improvement or because of a natural disaster or civil disturbance,[1] though a study based on the full formal economy of the United States found that the median post-move rise in income was only 1%.

A general trend of movement from rural to urban areas, in a process described as urbanisation, has also produced a form of internal migration.

In the United States, the Office of Refugee Resettlement, a program of the U.S. Department of Health and Human Services's Administration for Children and Families, is tasked with managing the secondary migration of resettled refugees.

[7] Secondary migration has been hypothesised as one of the driving forces behind the distribution of resettled refugees in the United States.

Goldade et al.[11] employed geographical bounds and political afliation of communities, in addition to utilizing network structures.

The impact from volcanic eruption of Mount Nyiragongo has caused domestic migration in Democratic Republic of the Congo population.