What age is Robert when he is eligible for benefits based on his 62nd birthday?

When a person becomes eligible for Social Security benefits based on reaching age 62, it occurs exactly on their 62nd birthday. Therefore, Robert is eligible for benefits right when he turns 62 years old. The benefits can be claimed starting on the actual birthday, but one could also say he is eligible at any time thereafter, even if they choose to claim benefits a bit later, such as one month after. Thus, saying he is 62 years and 1 month old when he starts collecting doesn't accurately reflect the age he becomes eligible, since eligibility starts on his birthday.

To clarify, the other potential ages mentioned are not relevant because they either precede his eligibility or incorrectly represent when benefits can begin. Robert is not eligible at 63, as that is beyond the pivotal age, nor is he eligible at 61 years and 11 months, which falls short of his 62nd birthday. Thus, the correct interpretation is simply that he becomes eligible at the start of his 62nd year, which is his birthday itself.