| Austria | |
| Number of foreigners detained | Male: 4,060 Female: 192 Total: 4,252 |
| Percentage of the total prison population | 50.2 |
| Belgium | |
| Number of foreigners detained | Male: 4,417 Female: 169 Total: 4,586 |
| Percentage of the total prison population | 44.2 |
| Bulgaria | |
| Number of foreigners detained | Male: 293 Female: 8 Total: 301 |
| Percentage of the total prison population | 4.3 |
| Croatia | |
| Number of foreigners detained | Male: 365 Female: 16 Total: 381 |
| Percentage of the total prison population | 10.8 |
| Cyprus | |
| Number of foreigners detained | Male: 246 Female: 14 Total: 260 |
| Percentage of the total prison population | 43.3 |
| Czech Republic | |
| Number of foreigners detained | Male: 1,453 Female: 91 Total: 1,544 |
| Percentage of the total prison population | 8 |
| Denmark | |
| Number of foreigners detained | Male: 1,041 Female: 60 Total: 1,101 |
| Percentage of the total prison population | 28.2 |
| Estonia | |
| Number of foreigners detained | Male: 749 Female: 31 Total: 780 |
| Percentage of the total prison population | 33.3 |
| Finland | |
| Number of foreigners detained | Male: 356 Female: 22 Total: 378 |
| Percentage of the total prison population | 15.8 |
| France | |
| Number of foreigners detained | Male: 14,926 Female: 496 Total: 15,422 |
| Percentage of the total prison population | 24.6 |
| Germany | |
| Number of foreigners detained | Male: 14,503 Female: 579 Total: 15,082 |
| Percentage of the total prison population | 25.5 |
| Greece | |
| Number of foreigners detained | Male: 6,609 Female: 175 Total: 6,784 |
| Percentage of the total prison population | 59.8 |
| Hungary | |
| Number of foreigners detained | Male: 1,003 Female: 33 Total: 1,036 |
| Percentage of the total prison population | 5.9 |
| Ireland | |
| Number of foreigners detained | Male: 541 Female: 23 Total: 564 |
| Percentage of the total prison population | 15.1 |
| Italy | |
| Number of foreigners detained | Male: 16,118 Female: 755 Total: 16,873 |
| Percentage of the total prison population | 31.6 |
| Latvia | |
| Number of foreigners detained | Male: 39 Female: 6 Total: 45 |
| Percentage of the total prison population | 1.5 |
| Lithuania | |
| Number of foreigners detained | Male: 102 Female: 0 Total: 102 |
| Percentage of the total prison population | 1.9 |
| Luxembourg | |
| Number of foreigners detained | Male: 390 Female: 17 Total: 407 |
| Percentage of the total prison population | 73 |
| Malta | |
| Number of foreigners detained | |
| Percentage of the total prison population | 55.7* |
| Netherlands | |
| Number of foreigners detained | Male: 2,094 Female: 100 Total: 2,194 |
| Percentage of the total prison population | 23.3 |
| Norway | |
| Number of foreigners detained | Male: 715 Female: 35 Total: 750 |
| Percentage of the total prison population | 24.6 |
| Poland | |
| Number of foreigners detained | Male: 1,202 Female: 65 Total: 1,267 |
| Percentage of the total prison population | 1.9 |
| Portugal | |
| Number of foreigners detained | Male: 1,590 Female: 174 Total: 1,764 |
| Percentage of the total prison population | 15.4 |
| Romania | |
| Number of foreigners detained | Male: 221 Female: 6 Total: 227 |
| Percentage of the total prison population | 1 |
| Slovakia | |
| Number of foreigners detained | Male: 207 Female: 13 Total: 220 |
| Percentage of the total prison population | 2.1 |
| Slovenia | |
| Number of foreigners detained | Male: 346 Female: 13 Total: 359 |
| Percentage of the total prison population | 31.6 |
| Spain | |
| Number of foreigners detained | Male: 14,853 Female: 1,086 Total: 15,939 |
| Percentage of the total prison population | 28.9 |
| Sweden | |
| Number of foreigners detained | Male: NA Female: NA Total: 1,321* |
| Percentage of the total prison population | 22.1* |
| Switzerland | |
| Number of foreigners detained | Male: NA Female: NA Total: 4,469 |
| Percentage of the total prison population | 70.7 |
| UK: England and Wales | |
| Number of foreigners detained | Male: 9,222 Female: 564 Total: 9,786 |
| Percentage of the total prison population | 12.5 |
| UK: Northern Ireland | |
| Number of foreigners detained | Male: 143 Female: 5 Total: 148 |
| Percentage of the total prison population | 10.5 |
| UK: Scotland | |
| Number of foreigners detained | Male: NA Female: NA Total: 317* |
| Percentage of the total prison population | 3.9* |
| Total Number of foreigners detained | 108,659 |
Source: Aebi, M. F., Cocco, E., Molnar, L. & Tiago, M. M., (2022). SPACE I – 2021 – Council of Europe Annual Penal Statistics: Prison populations. Strasbourg: Council of Europe.
Reference date for Croatia, Poland, and UK (England and Wales): 31st December 2020 (instead of 31st January 2021).
Reference date for Estonia and Latvia: 1st January 2020 (instead of 31st January 2021).
Reference date for Lithuania and Portugal: 1st January 2021 (instead of 31st Januay 2021).
Reference date for Sweden: 1st October 2020 (instead of 31st January 2021).
*Malta, percentage of foreign prisoners retrieved from World Prison Brief (reference date: February 2021). No other data available.
*Sweden, total and percentage of foreign prisoners retrieved from Prisonwatch (reference date: 2020). Data regarding gender of foreign prisoners are Not Available (NA).
*UK: Scotland, total and percentage of foreign prisoners retrieved from Prisonwatch (reference date: 2020). Data regarding gender of foreign prisoners are Not Available (NA).