This is the introduction and summary to the fourth phase of an ongoing project on Social Security Programs and Retirement Around the World. The first phase described the retirement incentives inherent in plan provisions and documented the strong relationship across countries between social...

This is the introduction to and summary of Phase III of an international research project to study the relationship between social security provisions and retirement. The project relies on the work of a large group of economists in 12 countries who conduct the analysis for each of their...

The single most important long run fiscal issue facing the developed world is the aging of its populations. In virtually every developed country, there will be a steep increase in the ratio of the elderly to the working age population over the first half of the 21st century. The purpose of our...

The populations in all industrialized countries are aging rapidly and life life expectancies are increasing. Yet older workers are leaving the labor force at younger and younger ages. In some countries, the labor force participation rates of 60 to 64 year old men have fallen by 75% over the past...

Social Security Programs and Retirement around the World represents the second stage of an ongoing research project studying the relationship between social security and labor. In the first volume, Jonathan Gruber and David A. Wise revealed enormous disincentives to continued work at older ages...

Many countries have social security systems that are currently financially unsustainable. Economists and policy makers have long studied this problem and identified two key causes. First, as declining birth rates raise the share of older persons in the population, the ratio of retirees to...

The future of Social Security is troubled, both in the United States and in most other developed countries with aging populations. As improvements in health care and changes in life styles enable retirees to live longer than ever before, the stress on national budgets will increase...