The third annual World Happiness Report, which seeks to quantify happiness as a means of influencing governmental policy, ranked Sri Lanka at 132nd position with 4.271 points, 5 notches above the 137th place it got in the second edition published in 2013.

The report evaluated 158 countries and assigned a score on a scale of zero to 10 with 10 representing the best possible life and 0 the worst. It is based on Gallup World Poll data collected from people in more than 150 countries between 2012 and 2014.

The rankings were based on a number of factors, including real gross domestic product per capita, healthy life expectancy, social support systems and the perceived degree of corruption or lack thereof in government.

The 2015 Report ranked Switzerland at the top of the list, followed closely by Iceland, Denmark, Norway and Canada.

In South Asian region Pakistan ranked at 81st, India at 117th, Nepal at 121st and Bangladesh at 109th.