The Democratic Party held its Nevada caucuses on the same day, while their South Carolina primary would only take place a week later on February 27.

[3][4] January 14, 2016 – North Charleston, South Carolina On December 8, 2015, it was announced that Fox Business Network would host an additional debate two days after the State of the Union address.

The earlier debate, which started at 6 p.m. EST, was again moderated by anchors Trish Regan and Sandra Smith.

[9] On January 11, 2016, seven candidates were revealed to have been invited to the prime-time debate: Jeb Bush, Ben Carson, Chris Christie, Ted Cruz, John Kasich, Marco Rubio, and Donald Trump.

The next questions asked Fiorina about the role of the US in the world, Santorum about the Iran deal, and Huckabee about the solution to Afghanistan's problems.

Rubio won the two urban counties of Richland and Charleston, both of which have a higher percentage of college-educated voters.