Hoornweg, D., & Pope, K. (2016, September 24). Population predictions. Environment and Urbanization, 29(1), 195–216. doi:10.1177/0956247816663557

Abstract: This article projects populations to 2100 for the world’s larger cities. Three socioeconomic scenarios with various levels of sustainability and global cooperation are evaluated, and individual “best fit” projections made for each city using global urbanization forecasts.

Walters, W. H. (2016, August 17). Later-life migration in the United States: A review of recent research. Journal of Planning Literature, 17(1), 37–66. doi:10.1177/088541220201700103

Abstract: This article describes and evaluates 232 studies dealing with migration theory and methods, the determinants of later-life mobility, patterns of migration, destination choice, consequences of migration, local and regional development, seasonal migration, return migration, and related topics.