With 20 years of service credit, you can apply for early retirement regardless of your age. For the full retirement benefit, you must be 62 years old at retirement or, if you have 30 years of credited service, you may retire as early as age 55.Faculty or academic staff who voluntarily retire from the University with at least 90 days prior written notice are eligible for early retirement benefits. How much will I receive in a monthly pension if I retire? A Retirement Estimate Request form may be downloaded at wcers. Exceptions to this general statement include the rules about calculating the amount of an Early Retirement Pension and other rules implemented under the. Retire with full benefits at age 55 with 30 or more years of service. Retire with full benefits at any age with 35 or more years of service. Wayne State University is pleased to announce the voluntary 2020. When considering early retirement, it is important to understand that starting retirement benefits early will reduce your benefit.