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? Share | Related Content 401(k) Plans Are Not Just for Big Businesses Many small businesses are one person businesses. Acres of Diamonds In life it often happens that the answers to our most pressing questions are right in our own backyards. Healthcare Costs in Retirement Without a solid approach, health care expenses may add up quickly and potentially alter your spending.