Investment is the key issue for economic development in any developing economy. The study makes effort to explore the impact of different factors on investment in Bangladesh. It also examines the climate which is dramatically changing over time in developing world and so, assessing the climate for investment is inevitable. In this study, we have tried to show the interdependencies between macroeconomic factors and total investment in Bangladesh and also have identified the performance of public and private sector growth for several years. It has considered the performance and activities of government and non government institutions. Government inefficiency and corruption, structural adjustment and political unrest, GDP growth, inflation, trade openness, institutional policies and facilities are the considerable factors of the study that affect investment climate positively or negatively. Finally this study shows that investment climate largely depend on economic and non economic factors though available investible fund.