A happy child grows into wealthy adult?

Happiness is the best investment for your child's future, as a new study has found that happy youngsters grow up to be wealthy adults.

The first in-depth investigation of whether youthful happiness leads to greater wealth in later life shows that, even allowing for other influences, happy adolescents are likely to earn more as adults.

Researchers who analysed data from 15,000 adolescents and young adults in the US, found that those who report higher 'positive affect' – a technical measure of happiness – or higher 'life satisfaction' grow up to earn significantly higher levels of income later in life.

The study led by Dr Jan-Emmanuel De Neve from the University College London (UCL) and Professor Andrew Oswald from University of Warwick found that happy individuals' greater wealth is due, in part, to the fact that happy people are more likely to get a degree, find work, and get promoted quicker than their gloomier counterparts.

The study shows that greater happiness has a big financial impact, for instance, that a one-point increase in life satisfaction (on a scale of 5) at the age of 22 is associated with almost USD 2,000 higher earnings per annum at the age of 29. This is on top of other influences on incomes.

The researchers paid careful attention to instances of siblings in the data, demonstrating that even in children growing up in the same family, happier youngsters tend to go on to earn higher levels of income.

Their results are robust to the inclusion of other important factors such as education, physical health, genetic variation, IQ, self-esteem, and current happiness.

The researchers also studied how happiness may influence income. Mediation tests reveal a direct effect as well as indirect effects that carry the influence from happiness to income.

Significant mediating pathways include obtaining a degree and a job, higher degrees of optimism and extraversion, and less neuroticism.

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