'''Income''' is money earned, generally through [[labor]] or [[investment]]. In the United States, income is generally calculated and related in dollars/year.
'''Income''' is money earned, generally through [[labor]] or [[investment]]. In the United States, income is generally calculated and related in dollars/year.
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Income level also carries with it social stratification effects: The more money you make, the more people making more money you get to socialize with.