This paper has composed of 4 chapters which are as followed. Chapter one deals with introduction which explains reasons and background of research. Chapter two is entitled “a paradigm shit of people centered missions.” Chapter Three has put much time on priority missions. Chapter four has discussed on perspective of future missions. Chapter five deals with concluding thoughts of this paper. This paper has focused on a paradigm shift of people missions concept and priority missions. The writer has also spent time with searching and collecting data with current missions statistics. He also has emphasized on impact of unreached people concept which led into world church to get involved for world evangelization. From the introduction part, the author has attempted to explain the importance of this research. He gives legitimacy for this studies which is relevant to today’s world of missions-focused atmosphere. He also provides much statistics of current missions around world. The author emphasizes that the innovation of people concept missions has played vital role not only to Korean church, but also around the world. In Chapter two author has spent time with defining the term people concept missions which is derived from Matthew 28:19 that it’s portion was all the nations(ethne). The ethne stands for ethnic, culture, language, gentiles and outside people rather than nations or countries. Author explains that how 1974 the Lausanne congress for world Evangelization gave birth of people concept missions. Chapter two gives also explanation of what other missions agencies adopted proper use of people group and the unreached people group. In Chapter three the writer has provided of necessity of priority missions. the Least reached people group missions should be applied by nations, religions, people groups and the least untargeted people group. Priority mission strategy should be the last method to reach the lost with gospel. In last two chapters authors deals with much about proposals and outlook on future missions. He suggest that future mission strategy should be based up priority missions so that global christian world would accomplish within the period. Author hope that there are so many opportunities and potential when the world evangelical church sincerely take this obligations puting into practice.