The area of interest pertains to understanding how socio-economic (GDP, schooling, income composition), health (immunization rates, adult mortality, HIV/AIDS prevalence), and lifestyle (alcohol consumption, BMI) factors explain life expectancy among and between countries. In this project we have considered data from year 2000-2015 for 179 countries for further analysis and it consists of 21 columns and 2864 rows. For more information read the paper