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

Oct 24, 2025

5 min

What is the main cause of the high elderly dependency ratio in many countries around the world?

Globally, 1 in 10 people were aged 65 or older in 2021, a figure projected to rise to 1 in 6 by 2050. This major demographic shift directly answers the question: what is the main cause of the high elderly dependency ratio in many countries around the world?

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Oct 24, 2025

4 min

Why is the population age increasing in developed countries?

According to the United Nations, the global median age is expected to increase from 30 years in 2021 to 36 years in 2050, with aging most pronounced in high-income nations. This major demographic shift answers the question: why is the population age increasing in developed countries? It's largely driven by a combination of falling fertility rates, longer lifespans, and historical demographic movements like the baby boom.

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