🚜ap human geography review

Dependency Ratio Model

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

The Dependency Ratio Model is a demographic tool used to measure the proportion of dependents (young and elderly individuals) compared to the working-age population (typically those aged 15-64). This model helps illustrate the economic burden on productive individuals, highlighting how aging populations can impact a country's economy and social services. Understanding this ratio is crucial in analyzing shifts in population structures, especially as societies face increasing numbers of elderly citizens.

5 Must Know Facts For Your Next Test

  1. A higher dependency ratio indicates a greater economic burden on the working-age population, especially in countries with significant aging populations.
  2. Countries with low fertility rates and longer life expectancy are seeing an increase in their dependency ratios, leading to concerns about healthcare and pension systems.
  3. The dependency ratio can influence government policy decisions, particularly in areas like healthcare funding, retirement age, and immigration policies.
  4. As the baby boomer generation ages, many countries are facing unprecedented increases in their dependency ratios, raising alarms about sustainability.
  5. The Dependency Ratio Model not only reflects demographic trends but also has significant implications for economic growth and workforce sustainability.

Review Questions

  • How does the Dependency Ratio Model help in understanding the economic implications of aging populations?
    • The Dependency Ratio Model provides insights into the balance between the working-age population and dependents. As the ratio increases due to more elderly individuals relative to workers, it signals potential challenges for economic productivity and social services. This understanding helps policymakers address issues like healthcare costs, pension sustainability, and workforce dynamics as they adapt to changing demographics.
  • Discuss the relationship between fertility rates and the Dependency Ratio Model in the context of aging populations.
    • Fertility rates play a critical role in shaping the Dependency Ratio Model. As fertility rates decline, fewer young individuals enter the workforce over time, which can lead to a higher dependency ratio if the elderly population continues to grow. This relationship highlights how countries must manage their social and economic policies to balance out the impacts of lower birth rates while supporting an aging demographic.
  • Evaluate potential strategies that governments might implement to manage high dependency ratios resulting from aging populations.
    • To address high dependency ratios caused by aging populations, governments could implement various strategies such as raising the retirement age to keep older adults in the workforce longer. Additionally, promoting higher birth rates through family-friendly policies or increasing immigration can help bolster the working-age population. Investments in technology and automation may also alleviate some economic pressures by enhancing productivity without relying solely on human labor. These approaches can help balance the economic burden associated with rising numbers of dependents.

"Dependency Ratio Model" also found in: