Republican candidates took to their podiums on Tuesday night to debate foreign policy issues in the last GOP debate of 2015, hosted by CNN. The race to the presidential elections in 2016 is far from over, however, and the top candidates are set to return to the debate stage in less than a month for a debate hosted by Fox Business on Jan. 14.

Set in North Charleston, South Carolina, the debate will be the second one moderated by Fox Business. The first GOP debate moderated by the network in November was watched by 13.5 million viewers, according statistics published online by Fox Business. 

The debate is set to cover economic issues, such as public debt, job markets as well as the candidates' tax plans. In the November Fox Business debate, nearly all of the candidates said they would not support raising the minimum wage while many disagreed on how best to reform the tax system.

Sen. Ted Cruz, R-Texas, said he wanted to reform the tax code and even get rid of the IRS. "There are more words in the IRS tax code then there are in the Bible," he said.

The GOP race is a crowded one, with 13 candidates vying for voter support. Real estate mogul Donald Trump has maintained a far lead, with Cruz and former neurosurgeon Ben Carson fighting for second place.

Trump grew his lead on Monday just before Tuesday’s debate, hitting 41 percent support, according to a Monmouth University poll. The business tycoon’s closest rival was Cruz, at 14 percent support.

The first Republican primary is set to take place in Iowa on Feb. 1, less than one month after the Fox Business debate. The New Hampshire primary follows close on its heels, slated for Feb. 9.