Matt84 said:Compare that index not with per capita income but with literacy and internet access.
Ignorance is bliss, that should explain it
Seriously? Denmark, Canada, Norway -- the top three, all known for their low literacy rates? Argentina? Cuba? Venezuela? Costa Rica?
How many of the top 50 by well-being in that survey have low literacy rates? The survey shows exactly the opposite of what you're trying to say -- you could very well draw the conclusion from the results that educated populations are, in fact, more likely to be happier.