Most retirement plans assume a clean runway to a target date. Life rarely delivers that. A Centre for Retirement Research study found that 37% of retirees leave the workforce before their original timeline and most of those exits are involuntary.
Health is the biggest driver. Workers in poor initial health, or who worsen before their planned date, are far more likely to stop early. Sedentary jobs, diabetes, heart disease—these can make physically or mentally demanding roles impossible. Disability benefits can replace some income but the process is slow. Many people end up retiring years before they intended.
Job loss follows. Older workers are often first to be let go due to higher salaries and seniority. Finding a new job with comparable pay is hard. Unemployment can last long. When the search stalls, early retirement becomes the practical option.
Family responsibilities matter too. Parents moving in with adult children, spouses retiring early, or a need to care for a partner or relative all push people out. Hiring full-time care is often not financially viable, so leaving work becomes the default solution. Studies show that if a parent moves into your home, you are significantly more likely to retire early. Same if your spouse retires before their planned date.
Divorce and wealth shocks also play a role. Divorce destabilizes finances and shifts priorities. A windfall or inheritance can suddenly make leaving work viable. A minority of early retirees choose to leave early because they are financially prepared and want travel, starting a business or volunteering. Most are reacting.
Career dissatisfaction is sometimes overstated. A toxic job can make leaving feel like the only choice, but it is often better to find a more fulfilling role before making a permanent exit. Job-to-job mobility can help, but only if the new job is less stressful, requires fewer hours or pays more.
The financial hit is real. Claiming Social Security before full retirement age can cut lifelong benefits by up to 30%. Working longer builds your nest egg and delays claiming. Early retirement is often a response to pressure: health, family, layoff, caregiving, benefits. It is reaction, not a primary goal.

