Interdisciplinary studies that draw on long-term, global population projections often make limited use of projection results, due at least in part to the historically opaque nature of the projection process. We present a guide to such projections aimed at researchers and educators who would...

In Sanderson and Scherbov (2005) we introduced a new forward-looking definition of age and argued that its use, along with the traditional backward-looking concept of age, provides a more informative basis upon which to discuss population aging. Age is a measure of how many years a person has...

In this paper we present a detailed demographic analysis of the change of period fertility that occurred since 1930, based on individual retrospective data, collected in the most recent (five percent) microcensus of the Russian Federation from 1994. We assess the influence of external events on...

The micro census 1994 of the Russian Federation collected detailed marital histories for al respondents. This information made it possible to construct multistate marital tables for both male and female cohorts born since 1910 for the first time. Continuity and change in marital patterns over a...

We study bias, standard errors, and distributions of characteristics of life tables for small populations. Theoretical considerations and simulations show that statistical efficiency of different methods is, above all, affected by the population size. Yet it is also significantly affected by the...

Using demographic multi-state, cohort-component methods, we produce projections for 120 countries (covering 93% of the world population in 2005) by five-year age groups, sex, and four levels of educational attainment for the years 2005-2050. Taking into account differentials in fertility and...