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Longstanding collaborative project to try and obtain comparable data across countries by using standardised questionnaires. Surveys began in 1987 and are carried out approximately every 5 years. The initial focus on European countries has been extended to include other nations. Data in SPSS format
Originally focused on European countries, but now based at Northeastern University in the US and including a wider range of countries. At intervals of several years (or more) ISRD collects data on juvenile delinquency and victimization from comparable samples. It uses a standardized self-report survey conducted among students aged 12-16, randomly selected from schools in two medium or large cities.