In addition, the issues of population are not only about the total numbers of people, but also about the age distribution of those people. Children and the elderly are usually economically ...

This dividend period is quite long, lasting five decades or more, but eventually lower fertility reduces the growth rate of the labor force, while continuing improvements in old-age mortality speed ...

The database contains data on four key indicators: the distribution of the population by marital status, the proportion currently married, the proportion ever married, and the singulate mean age ...

population size, density, age structure, fecundity (birth rates), mortality (death rates), and sex ratio (Dodge 2006). We introduce each of these in turn. Populations display distinctive behaviors ...

The population of Christians is on a decline in the United States and it has shown a 9 percentage points decline since 2014.

Americans are getting older: The median age of the US population has increased by roughly 3.5 years since 2000, according to the Census Bureau, and 2021 saw the largest upward shift in the ...

The distribution of individuals among ... parameters like survival and fecundity often depend on age or size. Stage-structured population models are a widely used tool to examine the importance ...

News: China raises retirement age as it battles slow economy Country announced the move as a way to deal with its ageing population of workers as the birth rate continues to fall More people are ...