Demographic transition is a set of changes in reproductive behaviour that are experienced as a society is transformed from a traditional pre-industrial state to a highly developed, modernized structure. The transformation is the substitution of slow growth achieved with low fertility and...

We project the effects of declining smoking and increasing obesity on mortality in the United States over the period 2010-2040. Data on cohort behavioral histories are integrated into these projections. Future distributions of body mass indices are projected using transition matrices applied to...

Life expectancy in the United States fares poorly in international comparisons, primarily because of high mortality rates above age 50. Its low ranking is often blamed on a poor performance by the health care system rather than on behavioral or social factors. This paper presents evidence on the...

This paper reviews the major social and demographic forces influencing American fertility levels with the aim of predicting changes during the next three decades. Increases in the Hispanic population and in educational attainment are expected to have modest and offsetting effects on fertility...

This paper estimates child mortality by race and nativity for the U.S. as a whole and the Death Registration Area based on the public use micro- samples of the 1900 and 1910 censuses. We compare indirect estimates to mortality rates and parameters based on published census and vital statistics...