The cable news landscape experienced a notable shift during the week of September 14, 2026, according to the latest Nielsen big data and panel measurements released by TVNewser. While Fox News managed to retain its overall position as the most-watched cable news network in the country, it was the only major network to suffer week-to-week declines across every measured category and daypart. In contrast, both MS NOW and CNN capitalized on strong audience engagement, posting solid gains in total viewers and the key demographic of adults aged 25 to 54 during both primetime and total day viewing.
MS NOW emerged as the standout performer of the week, staging a robust comeback characterized by impressive double-digit growth across the board. The network’s momentum was strong enough to secure several notable victories, including a primetime demo win over Fox News in the 8 p.m. to 11 p.m. ET block on Thursday, September 17. Furthermore, MS NOW surpassed CNN in the total day demographic rankings to capture the second-place position, underscoring a period of heightened viewer interest and sustained engagement for the network’s programming lineup.
The Nielsen data highlights a dynamic period for cable news viewership, driven by shifting audience habits and standout individual broadcasts. While Fox News continues to command the largest overall audience share, the widening appeal and growth trajectories of MS NOW and CNN point to a highly competitive environment as networks vie for viewers throughout the primetime hours and across the entire broadcast day.
Network Performance Breakdown
Fox News remained firmly entrenched as the No. 1 cable news network for the week of September 14, maintaining its lead in total viewers despite facing widespread declines. During the primetime hours of 8 p.m. to 11 p.m. ET, Fox News averaged 1.618 million total viewers alongside 147,000 viewers in the coveted 25-54 demographic. However, these figures represented a downturn compared to the previous week, which began on September 7, with total viewers slipping by 9 percent and the demographic audience dropping by 10 percent.
A similar trend appeared during the total day measurements, where Fox News averaged 1.064 million total viewers and 104,000 adults aged 25 to 54. This performance marked a 5 percent decrease in total viewers and a 1 percent decline in the demographic compared to the network’s averages from the prior week. Across all basic cable networks, Fox News held onto second place in total primetime viewership, though it experienced a slide in the primetime demographic rankings, moving from second place down to fourth place. For total day viewing, however, Fox News successfully defended its position at the top of the chart for total viewers and secured second place in the total day demographic among all basic cable offerings.
MS NOW capitalized heavily on the shifting landscape, putting up remarkable growth numbers for the week. During primetime, the network averaged 914,000 total viewers and 81,000 viewers in the 25-54 demographic. This represented a substantial surge of 33 percent in total viewers and a 47 percent increase in the demographic compared to its performance the previous week. MS NOW maintained its upward trajectory across total day viewing as well, averaging 568,000 total viewers and 54,000 demographic viewers. These figures translated to a 16 percent increase in total viewers and a 26 percent jump in the demographic compared to the prior week’s baseline. Among all basic cable networks, MS NOW retained its third-place standing in total primetime viewers and finished 13th in the primetime demographic. For total day metrics, MS NOW maintained third place in total viewers while climbing to ninth place in the demographic category among all cable networks.
CNN also enjoyed a positive week, registering consistent gains in both primetime and total day slots. The network averaged 552,000 total primetime viewers and 88,000 viewers in the 25-54 demographic, marking a 13 percent increase in total viewers and a 14 percent boost in the demographic compared to the prior week. During total day viewing, CNN pulled in 375,000 total viewers and 53,000 demographic viewers, reflecting a 7 percent growth in total viewers and an 8 percent increase in the demographic category. In the broader context of all basic cable networks, CNN reclaimed the fourth-place position in total viewers and finished 11th in the demographic during primetime. For total day metrics, CNN held steady at No. 4 in total viewers and landed in the 10th position for the demographic.
Programming Highlights and Top Shows
Individual program performances for the week of September 14 reflected the broader network trends, with Fox News capturing the vast majority of the top spots among cable news broadcasts, while MS NOW and CNN secured key placements with specific flagship programs.
Fox News dominated the list of the most-watched cable news shows, claiming 12 out of the top 15 spots. The network’s late-afternoon powerhouse, The Five, aired at 5 p.m. ET and led all cable news programming by drawing an average of 2.772 million total viewers. The Five also claimed the top position in the adults 25-54 demographic, pulling in an average of 270,000 viewers in that category. Overall, Fox News held 13 of the 15 top spots in the demographic rankings for the week.
MS NOW secured three distinct positions on the total viewer chart, led by The Rachel Maddow Show. The Monday, September 14 airing of the 9 p.m. ET program drew 1.483 million total viewers, landing at No. 8 overall and securing the title of the most-watched program during the 9 p.m. hour on that night. In addition, the broadcast performed strongly in the demographic, averaging 130,000 viewers to finish in 11th place.
Other notable MS NOW programs appearing on the weekly charts included The Last Word with Lawrence O’Donnell, which airs weeknights at 10 p.m. ET and secured the No. 14 spot with 1.195 million total viewers. Rounding out MS NOW’s chart appearances was The Briefing with Jen Psaki, airing Tuesday through Friday at 9 p.m. ET, which captured the No. 15 position by averaging 1.119 million total viewers.
CNN also found representation on the competitive demographic chart with CNN NewsNight, hosted by Abby Phillip. Airing five nights a week at 10 p.m. ET, the program secured the 14th position in the adults 25-54 demographic by averaging 117,000 viewers.
The Nielsen big data and panel metrics for the week underscore a period of intense competition and fluctuating viewer interest across the cable news ecosystem. While Fox News continues to maintain its substantial baseline audience and overall numerical supremacy, the double-digit gains achieved by MS NOW and the steady growth demonstrated by CNN signal a shifting dynamic in how audiences are tuning into news programming across primetime and total day schedules.
