1. United Nations Volunteers (UNV). 2022 State of the World’s Volunteerism Report: Building Equal and Inclusive Societies. Germany: Bonn; 2021
2. United Nations Volunteers (UNV). Youth and Volunteerism Knowledge Portal. 2020. Available at: Youth and Volunteering | Knowledge Portal on Volunteerism (unv.org)
3. European Commission (EC). Press release - The Commission steps up action for high quality and inclusive youth volunteering. 2022a. Available at: https://ec.europa.eu/commission/presscorner/detail/en/ip_22_284
4. AmeriCorps. Key Findings from the 2019 Current Population Survey: Civic Engagement and Volunteering Supplement. Washington, DC: AmeriCorps, Office of Research and Evaluation; 2021
5. Australian Institute of Health and Welfare (AIHW). 2021. Available at https://www.aihw.gov.au/reports/australias-welfare/volunteers