Similar title to Sanderson, W.C., Scherbov, S. ORCID: https://orcid.org/0000-0002-0881-1073, O'Neill, B.C., & Lutz, W. ORCID: https://orcid.org/0000-0001-7975-8145 (2003). Conditional Probabilistic Population Forecasting. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-03-052