Purpose of this research is to investigate the factors that effect on the Agricultural GDP in Pakistan by taking updated data set. In the study, I investigate the Agricultural GDP (AGR_GDP) and all the factors which may have impact on this agricultural output during the time period of 1980-2016. The study made estimation using data taken from Agricultural Statistics, Economy Survey of Pakistan, Metrological department and world development indicator (WDI).The study employed Cobb Douglas production function, Johansen test of co-integration and OLS to analyze the data set in order to check the longrun relationship among the variables .The study also used ADF test to confirm the level of the data stationarity. The study reached on this conclusion that the factors like agricultural credit, agricultural labor, and agricultural capital formation effects the agricultural GDP, i.e. expansion of FIB occurs due to agricultural credit, it has direct relationship. However temperature effects it negatively so due to climate change it is projected that production that occurs from the land of agriculture. Supervisor:- Dr. Muhammad Jehangir Khan