The Long Run: Women and Retirement For women, retirement strategy is a long race. It’s helpful to know the route. Share | Related Content 18 Years’ Worth of Days The average retirement lasts for 18 years, with many lasting even longer. Will you fill your post-retirement days with purpose? Social Security: Maximizing Benefits There are other ways to maximize Social Security benefits, in addition to waiting to claim them. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals.