American Idol Notches Highest Ratings of Season 21; The Masked Singer Season 9 Ends Steady
The penultimate episode of American Idol’s twenty-first season delivered the program’s strongest performance this season in the all-important 18–49 demographic. Airing during the ratings week of May 14–20, the Sunday edition drew the best demo rating the show has seen all season, while also posting solid total viewers. That peak contrasts sharply with the Monday clip show, which registered the season’s lowest numbers—a familiar outcome for clip-heavy episodes that typically fail to attract larger audiences.
The scheduling context likely contributed to the fluctuation. ABC placed the clip show directly after Jeopardy Masters, which was the night’s highest-rated program (0.66 in the 18–49 demo with 5.8 million viewers). Despite that strong lead-in, American Idol surrendered nearly half of Jeopardy Masters’ audience before the clip show began, underscoring the limited pull of retrospective or highlight formats.
Over on NBC, The Voice returned to live broadcasts for the first time this season and earned a 0.55 rating in the 18–49 demo—tying with FOX’s 9-1-1 for the second-highest demo rating of the night. The Voice also came close to Jeopardy Masters in total viewers that evening, and its demo performance represented the program’s best showing since late March. With both American Idol and The Voice heading into their season finales, the competition for viewer attention remains intense as networks close out their spring schedules.
Meanwhile, The Masked Singer season nine reached its finale on FOX and finished the run with steady numbers. The season included several episodes that matched or exceeded recent averages, and the finale sustained reasonable viewership compared with earlier weeks.
ratings via showbuzzdaily.com
American Idol Season 21 Ratings
| Air Date | 18-49 Demo | Viewers |
| Sun Feb 19 | 0.61 | 5.3M |
| Sun Feb 26 | 0.73 | 5.2M |
| Sun Mar 5 | 0.72 | 5.6M |
| Sun Mar 12 | 0.60 | 3.3M |
| Sun Mar 19 | 0.59 | 4.8M |
| Sun Mar 26 | 0.65 | 5.3M |
| Sun Apr 2 | 0.65 | 5.1M |
| Mon Apr 3 | 0.53 | 4.4M |
| Sun Apr 9 | 0.51 | 4.6M |
| Mon Apr 10 | 0.56 | 4.5M |
| Sun Apr 16 | 0.64 | 5.4M |
| Mon Apr 17 | 0.53 | 4.4M |
| Sun Apr 23 | 0.68 | 5.3M |
| Mon Apr 24 | 0.61 | 4.9M |
| Sun Apr 30 | 0.74 | 5.9M |
| Mon May 1 | 0.58 | 5.4M |
| Sun May 7 | 0.77 | 6.1M |
| Sun May 14 | 0.92 | 6.3M |
| Mon May 15 | 0.33 | 2.7M |
The Voice Season 23 Ratings
| Air Date | 18-49 Demo | Viewers |
| Mon Mar 6 | 0.69 | 6.4M |
| Tue Mar 7 | 0.50 | 5.1M |
| Mon Mar 13 | 0.74 | 7M |
| Tue Mar 14 | 0.50 | 5M |
| Mon Mar 20 | 0.64 | 6.5M |
| Tue Mar 21 | 0.46 | 5.3M |
| Mon Mar 29 | 0.60 | 6.3M |
| Tue Mar 30 | 0.50 | 5.2M |
| Mon Apr 3 | 0.54 | 5.4M |
| Tue Apr 4 | 0.43 | 4.4M |
| Mon Apr 10 | 0.44 | 4M |
| Mon Apr 17 | 0.45 | 5.4M |
| Mon Apr 24 | 0.47 | 5.2M |
| Mon May 1 | 0.42 | 4.9M |
| Mon May 8 | 0.50 | 5.5M |
| Mon May 15 | 0.55 | 5.6M |
The Masked Singer Season 9 Ratings
| Air Date | 18-49 Demo | Viewers |
| Wed Feb 15 | 0.63 | 3.7M |
| Wed Feb 22 | 0.61 | 3.8M |
| Wed Mar 1 | 0.55 | 3.7M |
| Wed Mar 8 | 0.65 | 4M |
| Wed Mar 15 | 0.68 | 4M |
| Wed Mar 22 | 0.54 | 3.68M |
| Wed Mar 29 | 0.65 | 3.9M |
| Wed Apr 5 | 0.60 | 3.7M |
| Wed Apr 12 | 0.51 | 3.8M |
| Wed Apr 19 | 0.48 | 3.4M |
| Wed Apr 26 | 0.53 | 3.4M |
| Wed May 3 | 0.52 | 5.9M |
| Wed May 10 | 0.49 | 3.5M |
| Wed May 1 | 0.55 (Finale) | 3.7M |
Across these shows, a few clear patterns emerge: live broadcasts and season milestones tend to lift demo ratings, while clip-based or recap episodes typically see diminished returns. Network scheduling and strong lead-ins—like evening quiz shows or competing scripted programs—also shape how much audience carryover occurs. As spring moves toward summer, look for how finales and special events influence the networks’ ability to hold younger adult viewers in the 18–49 bracket, a key measure that advertisers watch closely.