Execution of Penal Sentences and Justice

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Detained adults

On 31 January 2021, 6 316 adults were detained in a penal institution in Switzerland

Penal institutions

On 31 January 2021, Switzerland's 92 penal institutions had 7 397 detention places, 85.4% of which were occupied.

At a glance

The annual survey on the detention of juveniles placed under juvenile law (SJS) and the annual survey of custodial sentences and the pre-trial detention of adults held in penal institutions (FHE) are conducted separately on the reference day (31 January). The statistics on the execution of sanctions (SVS) provide information on all persons admitted to and released from a penal institution, on the length of imprisonment of convicted adults, as well as on the sentences, in penal institutions. It also includes information on community service, on electronic monitoring as well as on persons under probation assistance.

Imprisonment on reference day
  2020 2021
Juveniles in secured accommodation 466
Total prison population

6 897

6 316

Prisons (in operation)



Number of detention places

7 373

7 397

Occupancy rate (in %)



Data updated (SJS): 09.10.2020
Data updated (FHE): 01.04.2021
Source: FSO - Reference day survey, juvenile detentions (SJS)
Source: FSO - Imprisonment statistics (FHE)

Further information



Press Releases

Statistical sources and concepts

On this topic

Detained adults

Incarcerations, releases and length of stay for detained adults

Community service, electronic monitoring and probation assistance

Enforcement of penalties in the form of community service or under electronic monitoring, as well as under probation assistance

Penal institutions

The catalogue and map of penal institutions contains information on addresses, history, functions, capacity and personnel resources


Federal Statistical Office Section Crime and Criminal Justice
Espace de l'Europe 10
CH-2010 Neuch√Ętel



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