-Jennifer Earl, Professor of Sociology, University of Arizona, USA

1 Youth and Politics in Times of Increasing Inequalities, Marco Giugni and Maria Grasso.- Part I Socialization and Youth Political Participation.- 2 Class Against Democracy? Family Background, Education, and (Youth) Political Participation in Germany, Johannes Kiess.- 3 Youth's Socializing Spheres in Switzerland: Educational, Recreational, and Community Activities, Valentina Holecz, Eva Fernández G. G., and Marco Giugni.- 4 Disclosing Inequalities: Gender and Patterns of Political Participation Among the Italian Youth Anna Lavizzari and Martín Portos.- Part II Modes of Youth Participation.- 5 Between Indifference and Rejection of Politics: Mobilization of Youth in Post-contentious France, Henry P. Rammelt, Manlio Cinalli, and Didier Chabanet.- 6 Inequalities in Young Adults' Electoral and Non-institutionalised Modes of Political Participation in Greece: Similar or Diverse Patterns?, Stefania Kalogeraki.- 7 An Unequal Surge? UK Youth Participation in Political Organisations and the Role of Gender Inequalities, Katherine A. Smith.- 8 Knocking on the Public Sphere Door: Does Online Political Participation Make a Difference for Young People in Spain?, Anna Clua, Susana López-León, and Núria Ferran-Ferrer.- Part III The Mobilization of Youth Politics.- 9 The Concern About Environment and Climate Among Young Adults in Sweden, Katrin Uba.- 10 Inequalities Among Youth and Support for Right-Wing Populism in Poland, Marcin Sin¿czuch, Piotr Michalski, and Mariusz Piotrowski.