age structure


Also found in: Medical.

age structure

[′āj ‚strək·chər]
(anthropology)
Categorization of the population of communities or countries by age groups, allowing demographers to make projections of the growth or decline of the particular population.
References in periodicals archive ?
As regards age structure, an average of 43 years is recorded for civil servants and those aged under 25 represent a rate of 13.
Their topics include the history and importance of age and growth information, validating annual and daily increments in calcified structures and verification of age estimates, sampling for age and growth estimation, fin rays and spines, age structure, and growth models and statistical inference.
After early studies found that the size distribution and age structure of the population were unique, managers in 1986 imposed a 4-fish bag limit, with only one over 27 inches.
Long gun seasons throughout the rut, liberal buck bag limits and liberal antlerless tags all make for shrinking herds and very poor buck age structure in Virginia.
This edition concerns itself with the various aspects of global demographic change and its importance for the production of technical textiles and its associated industries, looking at the age structure of the population, the quantitative relationship between men and women, the birth and mortality rates, etc.
The concept of "demographic change" refers to a population's age structure adjusting to changes in living situations (Linz and Stula, 2010).
From October 2013 to April 2014, the age structure of the Tundra Swan was surveyed by point count method at 45 survey sites of Poyang Lake.
Institutions need to adapt quickly to the changing age structure.
Our increasingly older age structure will also slow labour force growth," Cullum said in a statement.
According to James (2008), this phenomenon occurs with a falling birth rate and the consequent shift in the age structure of the population towards the adult working age.
The value of Ex (average survival probability among larval stages on successive metamorphosis) was calculated by formula Lx-(1/2(dx)), representing the age structure.
Asif Wazir said the opportunity depends on many important decisions that have to be taken immediately to determine whether the changes in age structure contribute to a dividend or a disaster.

Full browser ?