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GAPs DATA REPOSITORY

Stock of Irregular Migrants

Stock of Irregular Migrants data contains statistics mainly on the Third Country Nationals found to be illegally present in the country in question.

Select Countries:

2015201620172018201920202021202220232024
Original Data:
Data Entry Teams

Alternative Data for Stock of Irregular Migrants

Data repository combines data from multiple sources in terms of level of sources (e.g. national or European) and source of the data (official data/census, report, input of administrative documents in different levels, media outlets etc.). In case of existing multiple and/or conflicting data collected from different sources, you will see below an extra table showing the data that differs from the primary data added to the first table.

Select Countries:

201520162017201820192020202120222023
Original Data:
Data Entry Teams
The primary source is the available Eurostat data. If there is no available data or any relevant category for those non-EU countries, the numbers refer to any available open national data which corresponds to number of "foreign nationals" subject to the removal.
The detailed explanation for the available data:
  • • For the EU countries: The statistics officially refer to "third country nationals found to be illegally present". Third country nationals who are detected by Member States' authorities and have been determined to be illegally present under national laws relating to immigration (see Art. 2.1 (r) and 5.1(b) of the Council Regulation (EC) no 862/2007). This category relates to persons who have been found to have entered illegally (for example by avoiding immigration controls or by employing a fraudulent document) and those who may have entered legitimately but have subsequently remained on an illegal basis (for example by overstaying their permission to remain or by taking unauthorized employment).
    According to the Eurostat data description, only persons who are apprehended or otherwise come to the attention of national immigration authorities are recorded in these statistics. These are not intended to be a measure of the total number of persons who are present in the country on an unauthorised basis.
  • • For countries not in the Schengen area: The numbers may be officially referred as irregular migrants, illegal migrants or apprehended migrants. The exact numbers or the proxies about stock of irregular migrants can be accessed through monthly/annual formal reports/statistics about migrants who are apprehended or come to the attention of national immigration authorities. The numbers are also found (during press releases or speeches) in the web sources of relevant directorates and ministries or border enforcement.
    Please check the raw data for the exact source.