Answer: Senior citizens (65 years and older) = psychographic.
Step-by-step explanation:
Psychographic segmentation is simply segmentation that is based on the psychological characteristics of the consumer such as lifestyles, personality, social class etc while Demographics is the study based on factors like sex, age, and race.
Base on the above explanation, "Senior citizens (65 years and older) = psychographic" is the answer. It should be noted that this is demographic related and not psychological.