When answering this question, you can talk about the types of sports that are suitable for older people and why they are popular. Usually, older people prefer activities that are gentle on the body and help maintain health, such as walking, tai chi, swimming, and yoga. These sports are low-impact, help improve flexibility and balance, and are good for overall well-being. You can also mention that some older people enjoy group activities like dancing or playing badminton, as these are social as well as physical. Giving examples from your own country or community can make your answer more specific and natural.