How has migration affected the population of Europe

A wide range of migration data is collected and disseminated in Europe at national and, sometimes, subnational level. Institutional and legal frameworks have been developed by the European Union (EU) with the aim of ensuring that migration data are of high quality, comparable across countries as a result of harmonization (as established in the legal basis) and easily accessible. A continuous process of political dialogue is in place to ensure that the frameworks keep pace with increased demands for information and knowledge.

Explanation:

A lot of poverty happened that's pretty much it

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