| A | B |
| the net migration from urban to rural areas in more developed countries | counterurbanization |
| migration from a location | emigration |
| permanent movement, usually compelled by cultural factors | forced migration |
| migration to a new location | immigration |
| permanent movement within a particular country | internal migration |
| permanent movement from one country to another | international migration |
| permanent movement from one region of a country to another | interregional migration |
| permanent movement within one region of a country | intraregional migration |
| a person who moves from one region, place, or country to another | migrant |
| a change in the movement pattern in a society that results from industrialization, population growth, and other social and economic changes that also produce the demographic transition | migration transition |
| permanent movement undertaken by choice | voluntary migration |
| an element that influences people to move to a new location | pull factor |
| an element that influences people to leave where they live | push factor |
| people who are forced to leave their home nation out of fear of persecution | refugee |
| people who are forced to leave their home nation out of fear of persecution but have not left the country | internally displaced person |
| someone who has come to another country with the hope of being seen as persecuted | asylum seeker |
| someone who moved to a developed country in Europe from a developing country in Europe or Africa to get a higher paying job | guest worker |
| laws that place limits on the number of people who can migrate to a country each year | quotas |
| an environmental or cultural feature that hampers migration | intervening obstacle |
| the loss of a lot of highly talented people because they left the country | brain drain |
| the term preferred by groups that advocate for iniviual rights for people who enter the country without the proper paperwork to do so | undocumented immigrant |
| the term preferred by groups that favor tougher restrictions on immigration for people who enter the country without the proper paperwork to do so | illegal alien |
| the area of a river that is periodically subject to being under water | flood plain |
| people moving to a specific area because family members or people of the same ethnicity already live there | chain migration |
| the term preferred by academic observers for people who enter the country without the proper paperwork to do so | unauthorized immigrant |