Irregular migration refers to the situation where a person enters, stays in, or leaves the territory of a country without the necessary legal basis or authorization. It is migration that occurs in violation of the laws of the country.

Preventing illegal immigration and combating human smuggling are central to the reform of European asylum and migration management, which will enter into force in 2026.Read more about the asylum and migration management reform

Migration routes at the EU's external borders

  • Eastern Mediterranean migration route
  • Central Mediterranean migration route
  • Western Mediterranean and Atlantic migration route
  • Western Balkan migration route
  • EU eastern border migration route
  • Border between the EU and the United Kingdom

Migration is illegal if a foreigner enters, stays or works in a country without a legal basis. Facilitating illegal migration, such as assisting illegal border crossing (smuggling), employing a foreigner who is in the country without a legal basis, and human trafficking, i.e. forcing a person to work or engage in other activities (begging, prostitution) through violence or fraud, are also prohibited and punishable. Illegal immigration also occurs when a foreigner crosses the state border with an invalid and/or forged document/visa.