Which Cohort Is Currently Reaching Its Life Expectancy? Estimating and Interpreting Lagged Cohort Life Expectancy (LCLE) • Michel Guillot, University of Pennsylvania ; Collin F. Payne, University of Pennsylvania

The Probabilistic Life Table and Its Applications • Nan Li, United Nations ; Shripad Tuljapurkar, Stanford University

Population Momentum with Migration • Jonathan Tannen, Princeton University ; Thomas J. Espenshade, Princeton University

Robust Backward Population Projections Made Possible: An Implication from the Theory of Demographic Potential • Dalkhat M. Ediev, Vienna Institute of Demography