Differences among people's self-reported happiness levels are most strongly related to

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Research shows that genetic factors play a significant role in determining individual differences in subjective well-being or happiness levels. In fact, genetic factors may explain up to 50% of the variations in happiness levels across individuals. Gender, age, and physical attractiveness differences are also associated with subjective well-being but not as strongly as genetic factors.

Differences Among People's Self-Reported Happiness Levels Are Most Strongly Related