Many Organization for Economic Cooperation and Development (OECD) nations have aging populations, with substantial fractions of their populations exceeding 55. As more of this population retires and people live longer on average, a corresponding number of younger people will have to move into the workforce to maintain a steady share of the working population for the entire nation. This working-age population has to produce not only for themselves, but also for others, including the elderly and children. In this context, immigration can play a role, especially if the immigrants are of prime working and/or childbearing ... (full story)