The Gross Income of a colony is the Unrecognized icon name GC3 Raw Production Icon.png Raw Production modified by the effects of wealth improvements, such as the Unrecognized icon name GC3 Saving Stat Icon.png Colonial Bank or the Unrecognized icon name GC3 Saving Stat Icon.png Financial Capital. The sum of the Unrecognized icon name GC3 Saving Stat Icon.png Gross Income of every colony is the Unrecognized icon name GC3 Saving Stat Icon.png GDP of the civilization.

Generation

The most bonuses to Unrecognized icon name GC3 Saving Stat Icon.png Gross Income come from Improvements, including the Unrecognized icon name GC3 Saving Stat Icon.png Colonial Bank, Unrecognized icon name GC3 Saving Stat Icon.png Market Center, Unrecognized icon name GC3 Saving Stat Icon.png Financial Sector, Unrecognized icon name GC3 Saving Stat Icon.png Galactic Stock Exchange, Unrecognized icon name GC3 Saving Stat Icon.png Financial Capital, Unrecognized icon name GC3 Saving Stat Icon.png Iridium Store, Unrecognized icon name GC3 Saving Stat Icon.png Galactic Showcase and many trade resources.

Other bonus sources include:

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