Migration

Migration may refer to:

Human migration

• Human migration, a change in residence intended to be permanent

Historical migrations

• Historical migration, an overview
• Migration Period, also called Barbarian Invasions, occurring in Europe within the period of roughly AD 300-700
• Turkic migration, the migration of Turkic peoples across Asia, Europe and the Middle East between the 6th and 11th centuries
• Bantu migration, the migration of speakers of Bantu languages throughout sub-Saharan Africa
• Muslim conquests, by which Arabs migrated across Asia, Africa and Europe between 632 and 732
• Ostsiedlung, medieval eastward migration and settlement of Germans from modern day Western and Central Germany
• Mongol invasions, the great migrations of Mongol and Turkic tribes under Genghis Khan and his descendants during the 13th century
• Great Migration (Puritan), the two large migrations of Puritans from England to North America around 1630
• Great Serb Migrations, the two large migrations of Serbs in 1692 and 1737 from the Ottoman Empire to the Habsburg Monarchy
• Great Migration (African American), the movement of African Americans out of the Southern United States from 1914 to 1950
• Transatlantic migrations, the movement of settlers across the Atlantic Ocean to North and South America

Types of migration

• Emigration, leaving one's native country to live in another
• Immigration, arriving to live in a new country
• Chain migration, the mechanism by which foreign nationals are allowed to immigrate due to the acquired citizenship of an adult relative
• Forced migration, the coerced movement of a person or persons away from their home or home region
• Free migration, a belief that people should be able to migrate to whatever country they choose, free of substantial barriers
• Illegal immigration, immigration that defies the laws of the arrival country
• Mass migrations, the movement of a large group of people from one geographical area to another
• Political migration, a migration motivated primarily by political interests
• Rural-urban migration, the moving of people from rural areas into cities
• Seasonal human migration, common among agricultural workers
• The activity of nomads, communities that continually move from one place to another

there could be resons for this e.g tempature or bad living condiitions.

Animal migration

Most animal migrations involve seasonal movements to an area for breeding.

• Bird migration
  • Reverse migration, a phenomenon in bird migration
• Fish migration
• Insect migration
• Diel vertical migration, a daily migration undertaken by some ocean organisms

Other migrations

Science

• Cell migration, in biology
• Planetary migration, in astronomy
• Geophysical migration, in geophysics

Computers

• System migration, moving computer programs from one platform to another
• Data migration, moving information between data storage devices
• Process migration, in computer programming

Fictional

• Great Migrations (Greyhawk), a concept in the Dungeons & Dragons roleplaying game

Body Modification

• Piercing migration, a process that occurs when a body piercing moves from its initial location