Those are difficult questions. Are we talking about how "happy" people are? That's the goal for some people, and an official goal for Bhutan according to its co

Those are difficult questions. Are we talking about how "happy" people are? That's the goal for some people, and an official goal for Bhutan according to its constitution (https://en.wikipedia.org/wiki/Gross_National_Happiness https://en.wikipedia.org/wiki/Gross_National_Happiness). But I don't think we know very well how to measure it accurately. It has been claimed that the move from hunter-gathering to agriculture brought a lot of misery while improving efficiency according to economic measures.