Why was the slum upgrading project in Kibera, Kenya, facing resistance? This study uses both qualitative and quantitative methods in data collection to reveal that politics revolving around the interests of local politicians, slum dwellers and business operators as well as external players such as NGOs hamper successful implementation of the slum upgrading project Kenya Slum Upgrading Program in Kibera. The key obstacles include poverty, corruption, tribalism, political interpretation of the project aims, bureaucracy, slum oriented businesses (kadogo economy) as well as NGO activity and youth unemployment.