The objectives of this paper aimed to present an impact of the problem with the elderly population of Thailand, by using the structure of the population and synthesize it with the pattern of welfare for the elderly population. The results of this research found that: "Welfare Mix" was a problematic form and a diverse need of the elderly under different societies, cultures, traditions, values and economics, by a well - connected system so it is a special social capital. In the Thai society with the cooperation of all sectors, the agency government, private sector, local administration, volunteer organizations, NGOs and community organizations with an effort to work together by sharing knowledge and studying the basis of relations showing partnership by hosting together to complete the services from the government thoroughly and equally. Elderly society is a challenge for all parties that must consider a serious cooperation in order to support the national mechanism, and push the welfare of the elderly achievement that would lead to social development goals for people of all ages for sustainability.