Background The dataset undertaken for analysis is regarding the life expectancy of 193 countries for a period of 16 years (2000-2015) along with the factors impacting it. The factors are mainly classified broadly into four categories namely immunization, mortality, economic and social. The purpose of this report is to examine how these 20 explanatory variable contribute to the life expectancy. The link to the dataset : https: //www.kaggle.com/datasets/kumarajarshi/life-expectancy-who