1. Search "I" for Italy. The Internetization of Migration • Francesco Billari, Bocconi University; Ridhi Kashyap, University of Oxford; Luca Maria Pesando, New York University Abu Dhabi; Valentina Rotondi , University of Oxford; Manuela Stranges, Università della Calabria; Francois-Charles Wolff, University of Nantes.

2. China and India’s International Migration within the Asia Pacific Region: Insights from Indirect Estimation for the Period 2000 to 2015 • Jasmine Ha, Australian National University; James Raymer , Australian National University; Qing Guan, Australian National University.

3. Poland’s Turn from a Sending to a Receiving Migration Regime: The Impact on Population Ageing • Anna Janicka , University of Warsaw; Agnieszka Fihel, Institut national d'etudes démographiques / ICMigrations; Marek Okolski, University of Warsaw.

4. Unauthorized Immigrants in Europe and the U.S.: Trends, Characteristics and Methods • Jeffrey S. Passel , Pew Research Center; Phillip Connor, Pew Research Center.

5. Following a Trail of Breadcrumbs: Using Digital Traces to Improve Migration Estimates • Francesco Rampazzo , University of Oxford; Jakub Bijak, University of Southampton; Agnese Vitali, University of Trento; Ingmar Weber, Qatar Computing Research Institute; Emilio Zagheni, Max Planck Institute for Demographic Research (MPIDR).