Topic 2.9: Aging Populations

Causes (SPS-2.C.1) and Consequences (SPS-2.C.2)

1. Why do populations age? (Causes)

Adjust the sliders to see how Birth Rate and Life Expectancy determine age structure.

2.1

Fewer babies = Percentage of elderly rises.

75

Better medicine = People stay in the population longer.

Result: Stable Population

Population Portrait

👶 Youth (0-14)
🧑‍💼 Working (15-64)
👴 Elderly (65+)

2. The Dependency Ratio

Can the workers support the retirees?

🧑‍🔧
Workers
50%
👴
Retirees
15%
🗳️

Political: "Grey Power"

Elderly people vote at higher rates. Politics shifts to focus on pensions and healthcare rather than education or innovation.

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Economic: Labor Shortage

Fewer workers entering the economy. Requires Pronatalist policies or increased Immigration (Guest Workers) to fill jobs.

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Social: Sandwich Generation

Middle-aged adults are squeezed, having to care for their aging parents (increasing life expectancy) and their own children simultaneously.

3. Geographic Scenarios (Predict Outcomes)