&gt;This report does not seem to quantify the happiness among different groups of populations within regions of countries surveyed.<p>From their FAQ [0]:<p>Q: Is this sample size really big enough to calculate rankings?<p>A: A sample size of 2,000 to 3,000 is large enough to give a fairly good estimate at the national level. It is not large 
enough to give precision for sub-populations, which is why in Chapter 3 we use data from all available surveys, from 2005 through 2014, to provide samples of sufficient size for our splits by age and gender.<p>As for manipulating the data yourself:<p>Q: Can I download any of the data used in the Report?<p>A: The online data appendices show how the data are constructed, and include the main national and regional averages underlying the figures and tables in Chapter 2 and 3. Those wishing access to more detailed data from the Gallup World Poll should contact Gallup directly:<p>Joy Murphy<p>Joy_Murphy@gallup.com<p>+1-202-715-3131<p>And the data appendix that they reference [1].<p>[0] <a href="http:&#x2F;&#x2F;worldhappiness.report&#x2F;wp-content&#x2F;uploads&#x2F;sites&#x2F;2&#x2F;2015&#x2F;04&#x2F;Ch2FAQ_final.pdf" rel="nofollow">http:&#x2F;&#x2F;worldhappiness.report&#x2F;wp-content&#x2F;uploads&#x2F;sites&#x2F;2&#x2F;2015...</a><p>[1] <a href="http:&#x2F;&#x2F;worldhappiness.report&#x2F;wp-content&#x2F;uploads&#x2F;sites&#x2F;2&#x2F;2015&#x2F;04&#x2F;StatisticalAppendixWHR3-April-16-2015.pdf" rel="nofollow">http:&#x2F;&#x2F;worldhappiness.report&#x2F;wp-content&#x2F;uploads&#x2F;sites&#x2F;2&#x2F;2015...</a>