Analysing the evolution of imprisonment and community sanctions in Europe from 1990 to 2010 this article tests whether community sanctions have been used as alternatives to imprisonment or as supplementary sanctions. The results show that both the number of persons serving community sanctions and the number of inmates have continuously increased in almost all European countries during the period studied. A comparison with the evolution of crime rates shows that the latter cannot explain such trends and suggests that, instead of being alternatives to imprisonment, community sanctions have contributed to widening the net of the European criminal justice systems. The analyses also show a wide diversity in the use of community sanctions across Europe where, in 2010, the ratio between inmates and persons serving community sanctions varied from 2:1 to 1:3. In a comparative perspective, Finland, Norway and Switzerland seem to have found a reasonable balance between the use of imprisonment and community sanctions.

This article examines the evolution of prison populations in Western Europe from 1982 to 2011 and its relation with recorded crime trends in the region. Data are taken mainly from the Council of Europe Annual Penal Statistics in the case of prison statistics and the European Sourcebook of Crime and Criminal Justice Statistics in the case of police and conviction statistics, both complemented with the Nordic Criminal Statistics and Eurostat Crime Statistics.The results show that prison populations rates (stock) rose constantly until 2005 and seem relatively stable since then. On the contrary, the annual flow of entries into penal institutions has decreased almost continuously since 1987. This apparent paradox is explained by the fact that the average length of detention has steadily increased during the whole period under study. In brief, less people are sent to prison each year, but they remain in prison for longer periods of time. The upward trend in the average length of detention is related to the development of tough on crime policies across Western Europe and to the increase of drug offences and non-lethal violent crime until the mid-2000s. In that context, an analysis by offence shows similar trends in police, conviction, and prison statistics. These results falsify the hypothesis of total independence between crime trends and imprisonment rates. They also suggest that the deterrent effect of imprisonment has often been overestimated, and they cast a shadow on the validity of criminological theories that place property as the main cause of crime.

Cet article étudie la situation des étrangers détenus dans les prisons européennes ainsique son évolution entre 1989 et 2006. Les analyses sont basées sur des données issues desStatistiques Pénales Annuelles du Conseil de l’Europe (SPACE) qui portent sur les populations carcérales dans la presque totalité des pays européens. Elles s’intéressent notamment à la situation dans les États membres de l’Union Européenne (UE), tout en tenantcompte de la date de leur adhésion à l’UE, mais contiennent également des références àdes États non-membres. Après avoir comparé le nombre de détenus étrangers à traversl’Europe, nous analysons le rapport entre les données carcérales (pourcentage de détenus étrangers dans la totalité de la population carcérale et taux pour 100000 habitants)et des indicateurs démographiques pour chaque pays (pourcentage d’étrangers dans lapopulation carcérale en comparaison à celui des étrangers dans la population globale dechaque pays). Finalement, nous abordons le lien entre le nombre de détenus étrangers etdes indicateurs tels que le niveau économique et la situation géopolitique des pays.

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