social security online define closely approaching advanced age
(d) Person closely approaching advanced age. If you are closely approaching advanced age (age 50-54), we will consider that your age along with a severe impairment(s) and limited work experience may seriously affect your ability to adjust to other work. (e) Person of advanced age. We consider that at advanced age (age 55 or older), age significantly affects a person's ability to adjust to other work. We have special rules for persons of advanced age and for persons in this category who are closely approaching retirement age (age 60 or older).