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Projecting Social Security earnings: past is prologue
Social Security Bulletin
|January 1, 1997
Summary
This study forecasts lifetime Social Security earnings for individuals retiring in the 21st century. It uses regression models with Survey of Income and Program Participation data to predict future earnings and inform policy.
Area of Science:
- Economics
- Social Policy
- Demographics
Background:
- Accurate lifetime earnings projections are crucial for Social Security benefits, trust fund solvency, and understanding elderly economic resources.
- Policy changes within Social Security necessitate reliable forecasting models.
Purpose of the Study:
- To project lifetime Social Security earnings until retirement for individuals born between 1931 and 1955.
- To provide a basis for evaluating the impact of Social Security policy modifications.
Main Methods:
- Utilized data from the Survey of Income and Program Participation (SIPP) matched with Social Security earnings records (1951-1993).
- Developed and tested gender-specific multiple regression models for 10-year earnings intervals using the 1984 SIPP panel.
- Projected unobserved Social Security earnings from 1994 through retirement using established models.
Main Results:
- Identified strong predictive relationships for mean indexed monthly earnings within the 1984-1993 period.
- Successfully forecasted future earnings by integrating projected data with historical earnings records.
Conclusions:
- The developed models provide a robust method for forecasting lifetime Social Security earnings.
- These projections are vital for informed Social Security policy analysis and financial planning for the elderly population.