Similar title to Lutz, W. ORCID: https://orcid.org/0000-0001-7975-8145, Sanderson, W.C., Scherbov, S. ORCID: https://orcid.org/0000-0002-0881-1073, & K.C., S. (2008). Demographic and Human-Capital Trends in Eastern Europe and Sub-Saharan Africa. Washington: Migration Policy Institute.