Sex under the age of 25

Sex under the age of 25 is the largest national survey on sex and relationships among young people aged 12 to 25. The fourth edition will run from 2022 to 2024.

National survey

Sex under the age of 25 is conducted once every 5 years. We do this to measure trends and developments in the health and lifestyle of young people. Soa Aids Nederland and Rutgers conduct this survey on behalf of the Ministry of Health, Welfare and Sport and the RIVM (National Institute for Public Health and the Environment). We do this together with GGDs throughout the Netherlands and the Central Bureau for Statistics (CBS).

10.000 young people take part

Around 10,000 young people will be invited to take part in the national survey between October 2022 and February 2023:

  • Young people aged 12 to 16.5 complete the online questionnaire at school.
  • Young people aged between 16.5 and 24 will receive an invitation from the Central Bureau of Statistics to take part.

People aged 25 and over can receive an invitation to participate in the Monitor Sexual Health in the Netherlands.

Why is the research important?

The survey provides important insights into young people's sexual health, lifestyle and information needs. These figures underpin prevention, care, policy and information choices. The previous 2017 survey provided these recommendations.

Regional research

To collect their own regional figures, 7 GGDs are also inviting young people for Sex under the age 25. Do you live in this GGD region? Then you can receive an invitation from the GGD at home. More information can be found on the GGD website.    

  • GGD Fryslân
  • Gelderland-Midden
  • Hollands Midden
  • Limburg Noord
  • Rotterdam-Rijnmond
  • Zuid-Holland Zuid
  • Zuid-Limburg


Below are recent publications about Sex under the age of 25:


Questions about the study? Or would you like to be kept informed? - Send an email to You can also sign up for the newsletter published at least once a year about the study there (only in Dutch).