Citizens over 65 years old account for 9.7% of city populationThe number of people in Seoul older than 65 has surpassed 1 million, Seoul Metropolitan Government said Wednesday. The number of infants and youths, on the other hand, declined. According to its report, the number of senior citizens marked 1,002,770 as of Dec. 31 last year, a 6.3 percent jump from the previous year’s 942,946. Over-65s n