Austrailia is number two. I find that interesting. If I had time I’d like to analyze the criteria they used, but I suspect it is like the WHO list regarding quality of health care that puts the US way down the list.
The measures are given. If the US is way down the list due to healthcare, then the other measures should have pulled it up sufficiently to make the top 10 at least ( NOTE: we were number 1 in 1988 ):
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Material wellbeing as measured by GDP per head (in $, at 2006 constant PPPS)
Life expectancy at birth
Quality of family life, based primarily on divorce rates; the state of political freedoms; job security (measured by the unemployment rate)
Climate (measured by two variables: the average deviation of minimum and maximum monthly temperatures from 14 degrees Celsius; and the number of months in the year with less than 30mm rainfall)
Personal physical security ratings (based primarily on recorded homicide rates and ratings for risk from crime and terrorism)
Quality of community life (based on membership in social organisations);
Governance (measured by ratings for corruption)
Gender equality (measured by the share of seats in parliament held by women)