What is Migration? Migrations are all population movements which imply a temporary or permanent change of address.
Causes of Migration
*Natural Causes
For example:The displacement of population after an earthquake
*Social Causes
For example: People have always emigrated due to religious,political and especially econonic factors (hope for better salaries)
Types of Migration
*As for Duration: There are temporary migrations
Temporary
When people return to their point of origin after a certain time
Permanent
When people stay permanently in their destination
* As for cause: Forced Migrations and free or voluntary Migrations
Forced Migrations
Have taken place throught history, Is estimated that are more than 20 million refugees
Free or Voluntary Migration
Usually represent people seraching for better living conditions
*As for Distance:There are external or international migrations and internal and national Migrations
Nowadays, migratory movements brought about by economic reasons are the most common, therefore than 80% of immigrants originally como from Third Worlds Countries
