SUMMARY
The main subject matter of the present research is Mpur’s people participation in nonformal education in Kebar District, Tambrauw Regency, West Papua Province. Geographically, Kebar District is located in a hinterland of Tambrauw Regency, West Papua Province with a vast area, making it difficult to access, and to supply facilities, information, and communication needed to improve human resource by a nonformal education of Arefet Community Learning Activity Center. The purpose of the research is to find out the people's participation in nonformal education and the factors that affect it. The research used a qualitative research method with data collection techniques of direct observations in the field, interview, and documentation. The data analysis technique used was an interactive analysis model, consisting of data reduction, data display, and conclusion drawing/verification. The results of this research on nonformal education revealed that people's participation in nonformal education was not optimal yet in its implementation. Meant by not optimal here is related to the participatory processes performed by Mpur Tribe people in Kebar District, Tambrauw Regency, affected by such factors as facility, culture, education, occupation, income, information and communication access and geographic location.