A Dissertation Submitted in partial fulfilment of the requirements for the award of Master of Business Administration (MBA) in Corporate Management of the Mzumbe University.The main study of this dissertation was to assess the impacts of Tourism activities on socio-economic livelihood of communities. The study involved Mikumi National Park in Morogoro and Bagamoyo coastal regions respectively. A cross sectional study design was employed to collect data, the specific objectives that guided the research were, the assessment of respondents socio-economic activities, assessing challenges facing the performance of tourism activities in Mikumi national park and Bagamoyo district and evaluation of measures needed to be taken to improve the performance of tourism activities in two respective areas. The methodologies employed during the collection of data were interview, observation and documentary review, face to face interviews were done with 120 people aged 18 years and above living near Mikumi national park and Bagamoyo. Data Management was done using Epidata software, and data analysis was done using both Microsoft excel and stata software version 11.0 (statcorp, Texas, USA). Results from the Correlation analysis revealed that, the three factors (employment, income generation and government taxes) correlated with community livelihood benefits; it was revealed that, the above mentioned socio-economic factors were positive and significant at the 0.01 level (2-tailed). Results of ANOVA test revealed that there is a significant difference in the overall community livelihood improvement basing on the socio-economic dimensions. In this respective; employment creation(0.300) carried heaviest weight for overall livelihood improvement of the community followed by income generation(0.277) and government taxes come third with (0.266). The study thus conclude, tourism activities have improved livelihood of the people in the area, through employment and income generation, and supporting local government revenue, and in some occasion sharing benefits through social responsibility, like buildings schools, dispensary. Based on results, the study recommends that; hotels investors need to empower local staffs through training, aiming in enabling them in getting senior employment position, there is a need of purchasing local inputs from those areas, this will boost standard of living for the local community in the area.