age structure
[/eɪdʒ ˈstrʌktʃər/]
nounpl: age structures
estrutura etária
1. The distribution of a population by age groups, typically shown as a percentage of the total population
The age structure of Japan shows an aging population with fewer young people entering the workforce.
A estrutura etária do Japão mostra uma população envelhecida com menos jovens entrando no mercado de trabalho.
2. A demographic characteristic used to analyze population composition and predict future growth or decline
Demographers use age structure to forecast healthcare and pension system needs.
Os demógrafos usam a estrutura etária para prever as necessidades dos sistemas de saúde e previdenciário.
3. The composition of organisms by age classes in ecology and biology
The age structure of the forest population affects its ability to regenerate.
A estrutura etária da população florestal afeta sua capacidade de regeneração.
Age structure analysis is crucial in both Brazil and the USA for policy planning. In Brazil, rapidly declining birth rates have shifted focus from youth programs to elderly care. In the USA, the aging Baby Boomer generation has major implications for Social Security and Medicare. The term is standard in academic, government, and policy discussions in both countries.
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