Retirement planning is the process of determining how much money an individual needs to save in order to live comfortably during their retirement years. This research area involves studying various factors that can impact retirement savings, such as inflation, investment returns, longevity, and health care costs. Researchers in this field examine different retirement savings and investment strategies, as well as ways to maximize Social Security benefits and other retirement income sources. The goal of retirement planning research is to help individuals make informed decisions about their retirement savings and ensure they have enough financial security to maintain their desired lifestyle in retirement.