The topic of the study is especially relevant because of the non-standard form of employment (NFE) ‘volunteering’ has acquired across the global. Similarly, NFE ‘voluntourism’ has recently been acquiring the form of a social movement and the development of mechanisms for public administration of these activities is far from complete. The aim of the article is to summarise the world experience of the project approach of public authorities to youth policy and the introduction of NFE of youth ‘volunteering’, as well as to analyse the experience of the micro-project approach of public authorities in Mariupol, Ukraine. The study is based on a comprehensive and systematic approach to public management of youth employment and uses methods to describe, summarise, analyse and synthesise the results of observations and experiments. The generalisation of the world experience of the project approach of public authorities to the introduction of non-standard forms of youth employment ‘volunteering’ and ‘voluntourism’ and the modern experience of its use is supported by UNESCO, which allows expanding its scope. It established that experience of the project approach of public authorities on creation of NFE ‘volunteering’ in the city of Mariupol, Ukraine, can be considered as innovative technology of information education. Thus, the project approach of public authorities with the use of NFE ‘volunteering’ and ‘voluntourism’ plays a specific useful role in professional and life situations of young people and allows them to perform social functions of professional, community and personal goals and competencies.