Demographic parameters and population growth rates vary among populations of the same species. Such variation can be extensive, as shown by a comparison of nine published studies of black-legged ...

Cross-sectional data, such as Census statistics, enable the re-enactment of household lifecourse through the construction of the household composition matrix, a tabulation of persons in households by ...

To development economist Lant Pritchett, "population decline" is a mild way to describe what could be a global demographic crisis. "The reaction is often 'ho-hum' as the rates [of population decline] ...

Our approach to generational analysis has evolved to incorporate new considerations. Learn more about how we currently report on generations, and read tips for consuming generations research.