Opening of a selection procedure at the Department of Statistical Sciences "Paolo Fortunati" of the University of Bologna for 4 Postdoc positions in Demography and Social Statistics (GSD 13/STAT-03 - SSD STAT-03/A) in the framework of the FIS2 project 'Social Uncertainty and Fertility' (SO-UNFER). The research activity will focus on contemporary fertility and family dynamics, analysing the role of new forms of uncertainty through the analysis of survey and register data and the application of advanced statistical techniques.