The relevance of this research is determined by the need to identify trends and causes of changes at the youth labor market of St. Petersburg. The object of the research is the youth of St. Petersburg as a subject of the labor market. The subject of the study was the dynamic processes taking place in the youth labor market of St. Petersburg in the social and economic contexts. Purport: the article is devoted to the analysis of the main indicators of the youth labor market in St. Petersburg. The changings of youth labor values, spreading of “short life projects», which are identify requirements for greater flexibility and adaptability and readiness for risks to material well-being.The facts confirming the transition from non-material to material motivation of youth are presented. The result of the research: is an assessment of the reasons is given, among which the main ones are the weak adaptation of the sphere of vocational education to the requirements of the modern labor market for young people