Wealth and happiness across the world

People think material prosperity predicts life evaluation and positive feeling.
The new HPI results show the extent to which 151 countries across the globe produce long, happy and sustainable lives for the people that live in them. The overall index scores rank countries based on their efficiency, how many long and happy lives each produces per unit of environmental output.
How do high-income Western countries compare with the countries that top the overall HPI rankings?

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