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Articles related to focusing on healthy aging, prevention, mobility, cognition, nutrition, independence, and caregiving support.

4 min

What is the Classification of Population by Age? A Guide to Age Structure

According to demographers, a population is most commonly divided into three major age groups: children and young adolescents (typically under 15), the working-age population (15–64), and the elderly (65 and older). This classification of population by age, known as age structure, is a foundational concept in demography for analyzing population dynamics and predicting future needs of a society.

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4 min

How Does Age Structure Affect Society? An In-Depth Look at Demographic Shifts

According to the World Health Organization, the number of people aged 60 and older will double by 2050, profoundly shifting global demographic landscapes. Understanding exactly **how does age structure affect society** is crucial for anticipating social needs, economic trends, and policy challenges, from schools to senior care.

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4 min

What is an example of a declining age structure?

According to the World Economic Forum, more than one in ten people in Japan were aged 80 or older as of 2023. This reflects the country's prominent declining age structure, a demographic phenomenon where the proportion of younger individuals shrinks relative to older, post-reproductive cohorts. This article explores key examples and the socio-economic factors driving this trend.

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6 min

How is population aging determined? A demographic deep dive

The global median age is steadily rising, a phenomenon known as population aging. But how is population aging determined, and what are the primary demographic forces behind this historic shift that impacts economies and social structures worldwide?

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3 min

What is the formula for the index of Ageing?

According to the United Nations, the number of older people is growing rapidly and by 2050 is projected to top 1 billion globally. To track this shift, a key demographic tool is the Index of Ageing, which directly addresses the question: What is the formula for the index of Ageing?

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