The social security system of Nanjing is shaping up. The participation scope of pension, unemployment insurance, medical care insurance, work-related injury insurance and maternity insurance is rising. Nanjing leads in community building and services. Community service facilities, apartment for the aged, activity center for the aged and various service points are complete with police, medical and healthcare services available in the living quarters. Nanjing boasts excellent security conditions with sound prevention and control systems, and the lowest incidence of crime among similar cities in China. “Safety Nanjing” is well recognized in China.