Car Accident, Complicated pregnancy, Cancer, Stroke, Back Injury. What will happen to your income if you become disabled? Nearly 50% of all individuals 35 or younger will be disabled for 90 days or longer prior to age 65. Approximately 30% of all people age 35 - 65 will suffer a disability for at least 90 days, and about 1 in 7 can expect to become disabled for 5 years or more.