Private income is either: Many people with a private income of the second type are comfortably or well off and may not need a job for additional income.
People in such a position can have other pursuits, e.g., as a philanthropist, or in the past as a gentleman scientist, artist, clergyman or writer.
Today among America's 146,000 highest income households, those making more than $1.6 million per year, 31% of all income was derived from investments.
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