The Three-fifths Compromise was a compromise reached among state delegates during the 1787 United States Constitutional Convention. Delegates disputed whether and how slaves would be counted when determining a state's total population, as this number would determine a state's number of seats in the House of Representatives and how much it would pay in taxes. The compromise counted three out of every five slaves as people...
In the US Constitution, the Three-fifths Compromise is part of Article 1, Section 2, Clause 3:
Representatives and direct Taxes shall be apportioned among the several States which may be included within this Union, according to their respective Numbers, which shall be determined by adding to the whole Number of free Persons, including those bound to Service for a Term of Years, and excluding Indians not taxed, three fifths of all other Persons [italics added].[2]