22 (Member) States provided information on their practices regarding illegally working migrants, more precisely on whether this is considered a criminal offence and what possible sanctions they face. This query was launched by the British National Contact Point.

This EMN Policy Brief presents key data on the irregular movements of people across the EU external borders and within the European Union itself, whether as asylum-seekers or as migrants, over the past few years and including the first nine months of 2015.

This EMN Inform shows how movements of asylum-seekers, migrants and displaced persons to the EU have changed and evolved in 2015.

This EMN Inform summarises the main findings of the EMN Study "Dissemination of Information on Voluntary Return: how to reach irregular migrants not in contact with the authorities".

This EMN study analyses and compares the different approaches used by Member States to ensure irregular migrants are informed of options for return.

This report by the European Union Agency for Fundamental Rights aims to estimate the economic cost of providing timely access to healthcare for migrants in an irregular situation, compared with providing treatment only in emergency cases.

The European Parliament Think Tank has published a briefing presenting facts and figures about irregular immigration in the EU.

The Frontex Annual Risk Analysis (ARA) presents a European summary of trends and developments along the external borders of the Member States of the EU.

This Inform summarizes the main findings of the corresponding EMN study aimed at analyzing Member States’ use of entry bans and readmission agreements as the EU main policy measures to implement effective return policies

This focused study presents an analysis of (Member) States’ use of entry bans and readmission agreements and also identify good practices in this field, including possible synergies in the implementation of return and reintegration measures.

This policy brief, produced by the Migration Policy Centre, focuses on immigration to Europe via the Mediterranean and related issues such as smuggling, sea routes, Mare Nostrum and risks encountered by migrants. It also provides statistics and data.

This Inform summarizes the main findings of the corresponding EMN study aimed at analyzing Member States’ use of detention and alternatives to detention in the context of immigration policies

This focused study presents an analysis of (Member) States use of detention and alternatives to detention in the context of immigration policies and identifies similarities, differences and good practices in this field

The report, compiled under IOM’s Missing Migrants Project, indicates Europe is the world’s most dangerous destination for “irregular” migration, costing the lives of over 3,000 migrants this year.

The annual "activity report" 2013 of the Immigration Office is available.

This paper published in March 2014 examines the sanctions applied to counteract irregular migration.