American children were in the bottom third when ranking their own level of "life satisfaction".
Even the authors acknowledge that many people "still prefer to live in richer countries, even if this would result in a decreased level of life satisfaction".
This paper aims to investigate whether the arrival and the presence of grandchildren increases the level of life satisfaction of older people.
The concept of poverty is pretty old school – income, health, education – and fails to recognise the considerable progress made in measuring wellbeing – the level of life satisfaction people feel.
Meanwhile, despite an increase of nearly 5% in GDP between 2007 and 2014, the UK saw no change at all in the level of life satisfaction over the same period.
Nations with a GDP per head below $6,700 were 12% less likely to report the highest level of life satisfaction than countries with a figure of about $18,000.
Residents of the area, which includes much of the southern Yorkshire Dales, reported the highest level of life satisfaction and the lowest levels of anxiety – scoring 8.3, compared with a national average of 7.5.
The Boycott, Divestment and Sanctions movement, though noisy on some American campuses, has yet to make a dent in Israel's economy or its citizens' self-reported level of life satisfaction, among the highest in the world.
But to be a highly religious, prayerful African-American woman does not necessarily lead to higher level of life satisfaction and can have some boomerang effects, sometimes making black women more judgmental of themselves.
The improvement was equal to the level of life satisfaction of someone whose annual income was $13,000 more a year, said Jens Ludwig, a professor of public policy at the University of Chicago and the lead author of the study.
A score of 6 or more is defined as a positive level of life satisfaction.
