The GOP debate last night on CNN, moderated by John King, drew 4.734 million Total Viewers and 1.358 million A25-54 viewers, according to Nielsen final data. The Mesa, Arizona face-off was the least-watched debate on CNN since November and the 13th-ranked of the 19 debates measured by Nielsen.

As this is likely the final primary debate, ABC will come out the winner for having the most-watched debate of this GOP cycle in December. NBC had the most-watched in younger viewers last month. and Fox News’s debate on Dec. 15 was the most-watched debate on cable.

Debate Network Total Viewers A25-54 Feb. 22 CNN 4,734,000 1,358,000 Jan. 26 CNN 5,357,000 1,741,000 Jan. 23 NBC 7,125,000 2,588,000 Jan. 19 CNN 5,022,000 1,717,000 Jan. 16 Fox News 5,475,000 1,573,000 Jan. 8 NBC/MSNBC 4,715,000 1,649,000 Jan. 7 ABC 6,250,000 1,730,000 Dec. 15 Fox News 6,713,000 1,865,000 Dec. 10 ABC 7,630,000 2,100,000 Nov. 22 CNN 3,599,000 1,041,000 Nov. 12 CBS 5,480,000 1,520,000 Nov. 9 CNBC 3,332,000 993,000 Oct. 18 CNN 5,468,000 1,651,000 Oct. 11 Bloomberg NA NA Sept. 22 Fox News 6,107,000 1,701,000 Sept. 12 CNN 3,600,000 1,100,000 Sept. 7 MSNBC 5,411,000 1,728,000 Aug. 11 Fox News 5,053,000 1,430,000 June 13 CNN 3,162,000 918,000 May 5 Fox News 3,258,000 854,000

Comments