The purpose of this study is to assess the trend of Official Development Assistance and its impact on human development in sub Saharan African(SSA) countries. By the data Panel analysis, the aid effectiveness in all SSA countries on human development is positive but very low when one did not control for the country-specific effects and temporal effects. The analysis has also concluded a positive relationship between a good governance and human development in one hand, and between the Human development and... The study aimed then to analyze whether the official development assistance has impacted on human development during this last decade. By taking into account these las variables the analysis has then found that the temporal effects and country specific effects have negatively affected human development in SSA countries. By comparing the trends of these variables, the study argues a positive evolution of aid inflows and a positive evolution of human development in SSA countries.