## Population Aging in Japan: Demographic Shock and Fiscal Sustainability

_IMF Working Papers, March 1, 2001_

## Source details

**Canonical URL:** [Population Aging in Japan: Demographic Shock and Fiscal Sustainability](https://www.imf.org/en/publications/wp/issues/2016/12/30/population-aging-in-japan-demographic-shock-and-fiscal-sustainability-4037)

## Other formats

- [Markdown version](/en/publications/wp/issues/2016/12/30/population-aging-in-japan-demographic-shock-and-fiscal-sustainability-4037/index.md)
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## Bibliographic details
- Authors: Martin Mühleisen, Hamid Faruqee
- Published: March 1, 2001
- Series: IMF Working Papers
- DOI: https://doi.org/10.5089/9781451845976.001

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### Summary and Objectives
- The paper develops a general equilibrium framework to examine the economic implications of population aging in Japan.
- Particular attention is paid to aggregate saving behavior, which is modeled on the basis of empirical age-earnings profiles using a life-cycle approach.
- The paper's objectives are to:
  - (i) estimate the output loss caused by demographic changes and assess the impact of aging on Japan's government finances; and
  - (ii) compare fiscal policy options with respect to their effects on output growth and economic welfare.

### Methodology
- General equilibrium framework tailored to population aging in Japan.
- Aggregate saving behavior modeled using empirical age-earnings profiles and a life-cycle earnings approach.
- Emphasis on integrating demographic change, earnings profiles, saving, and pension liability into fiscal and macroeconomic analysis.

### Key Findings and Projections
- The paper focuses on quantifying:
  - Output loss caused by demographic changes.
  - The impact of aging on Japan's government finances, including pension liability implications.
- Analysis compares fiscal policy options to evaluate effects on:
  - Output growth.
  - Economic welfare.

### Policy Analysis and Comparisons
- Fiscal policy options are evaluated within the general equilibrium framework for their relative effectiveness in:
  - Mitigating output losses from demographic change.
  - Managing fiscal sustainability in the face of rising pension liabilities and changing saving behavior.
- The paper assesses trade-offs between alternative fiscal measures with respect to growth and welfare outcomes.

### Subjects and Keywords
- Subjects: Aging, Demographic change, Financial institutions, Labor, Population and demographics, Securities, Wages
- Keywords: A. Age-earnings profile, age-earnings profile, aging, cyclical position, debt situation, Demographic change, earnings, earnings difference, fiscal policy, general equilibrium analysis, Global, Japan, Japan block, life-cycle earnings profile, pension liability, saving, Securities, Wages, WP

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## Content in this bundle

- **Japan:  Demographic Shock and Fiscal Sustainability - WP/01/40**
  - [Japan:  Demographic Shock and Fiscal Sustainability - WP/01/40 (Markdown version)](/-/media/websites/imf/imported-full-text-pdf/external/pubs/ft/wp/2001/_wp0140.pdf.md){rel="alternate" type="text/markdown"}
  - [Japan:  Demographic Shock and Fiscal Sustainability - WP/01/40 (PDF)](/-/media/websites/imf/imported-full-text-pdf/external/pubs/ft/wp/2001/_wp0140.pdf){rel="external" type="application/pdf"}

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_Source: https://www.imf.org/en/publications/wp/issues/2016/12/30/population-aging-in-japan-demographic-shock-and-fiscal-sustainability-4037_