The APCJJ brings together juvenile justice stakeholders from all countries in the region, and its multi-disciplinary approach is reflected in its composition:
- The Academic section,which is composed of Doctors, Professors, Academics, Universities, Faculties and/or Departments representing disciplines such as criminology, criminal law, international Human Rights Law, psychology, etc.
- The NGO section, which is made up of national and local NGOs working with young offenders on the ground and on a daily basis.
- The Public Administration section, which gathers Ministries or Departments of Justice and other governmental agencies and entities in charge of youth justice policies.
- the The Judiciary section composed of judiciary professionals, such as judges, prosecutors and judicial staff, in contact with children and young adults.
Moreover, the APCJJ includes the ASEAN Subcommittee.