THE TONIGHT SHOW Has Most-Watched Week in Ratings Since May

The Tonight Show Starring Jimmy Fallon" has delivered a dominant demographic win in late-night ratings for Sept. 17-21, taking the week versus its ABC and CBS timeslot competition in key every key demographic - adults, men and women 18-34, 18-49 and 25-54, according to "live plus same day" figures from Nielsen Media Research.

"Tonight" generated its most watched week in 11 weeks, averaging 2.356 million viewers, best for the show since May 21-25 (2.364 million). In adults 18-49, Fallon's 0.50 rating made this his top average, excluding weeks of primetime NFL lead-ins, since that same May 21-25 week (0.52).

For the week, Tonight delivered a +43% margin of victory over Colbert (0.50 vs. 0.35), "Tonight's" biggest advantage for a week with no NBC NFL boost and mostly original telecasts since Feb. 26-March 2 (+47%).

Versus Kimmel, "Tonight's" margin was +56% (0.50 vs. 0.32), Fallon's biggest over a mostly original week of Kimmel excluding weeks of NFL or Olympic boosts, in 14 months (since the week of July 17-21, 2017, +59%).

Last week at 12:35 a.m. ET, "Late Night with Seth Meyers" outperformed "The Late Late Show with James Corden" in every key ratings category - adults, men and women 18-34, 18-49 and 25-54, plus total viewers. For their head-to-head half-hour, "Late Night" also beat ABC's "Nightline" in all key measures.

Excluding weeks of NFL lead-ins, it was "Late Night's" most-watched week (1.325 million persons) since May 21-25 (1.327 million). In 18-49, Meyers' 0.31 tied his best rating for a non-NFL week since March 19-23 (0.33).

LATE-NIGHT WEEKLY AVERAGES
(According to viewing figures from Nielsen Media Research for the week of Sept. 17-21. Ratings reflect "live plus same day" data unless otherwise noted. Season-to-date figures are averages of "live plus seven day" data except for the two most recent weeks, which are "live plus same day.")

ADULTS 18-49

11:35 p.m.-12:35 a.m. ET
NBC "Tonight" 0.50 rating, 4 share
CBS "Late Show," 0.35/3 *
ABC "Kimmel," 0.32/2 *

12:35-1:05 a.m. ET
ABC "Nightline," 0.22/2 *

12:35-1:35 a.m. ET
NBC "Late Night," 0.31/3 *
CBS "Late Late Show," 0.19/2 *

1:35-2:05 a.m. ET
NBC "Last Call," 0.19/2 *

TOTAL VIEWERS

11:35 p.m.-12:35 a.m. ET
NBC "Tonight," 2.356 million viewers
CBS "Late Show," 2.836 million viewers *
ABC "Kimmel," 1.730 million viewers *

12:35-1:05 a.m. ET
ABC "Nightline," 1.183 million viewers *

12:35-1:35 a.m. ET
NBC "Late Night," 1.325 million viewers *
CBS "The Late Late Show," 1.195 million viewers *

1:35-2:05 a.m. ET
NBC "Last Call," 0.741 million viewers *

* Monday's ABC and CBS programming is excluded from these averages. Friday's "Late Night," "Late Late Show" and "Last Call" were encores.

SEASON AVERAGES

ADULTS 18-49

11:35 p.m.-12:35 a.m. ET
NBC "Tonight" 0.61 rating, 4 share
CBS "Late Show," 0.56/4
ABC "Kimmel," 0.45/3

12:35-1:05 a.m. ET
ABC "Nightline," 0.28/2

12:35-1:35 a.m. ET
NBC "Late Night," 0.36/3
CBS "The Late Late Show," 0.26/2

1:35-2:05 a.m. ET
NBC "Last Call," 0.21/2

TOTAL VIEWERS

11:35 p.m.-12:35 a.m. ET
NBC "Tonight," 2.569 million viewers
CBS "Late Show," 3.748 million viewers
ABC "Kimmel," 2.174 million viewers

12:35-1:05 a.m. ET
ABC "Nightline," 1.339 million viewers

12:35-1:35 a.m. ET
NBC "Late Night," 1.507 million viewers
CBS "The Late Late Show," 1.353 million viewers

1:35-2:05 a.m. ET
NBC "Last Call," 0.785 million viewers

SELECTED CABLE RESULTS, WEEK OF SEPT. 17-21

NATIONAL ADULT 18-49 RATING

Comedy Central, 11-11:30 p.m., "The Daily Show," 0.21 **

TBS, 11 p.m.-midnight, "Conan," 0.10

Adult Swim, 11:30 p.m.-12:30 a.m. ET, 0.53
Adult Swim, 12:30-1:30 a.m. ET, 0.41

Each adult 18-49 rating point equals 1.29 million viewers.

TOTAL VIEWERS

Comedy Central, 11-11:30 p.m., "The Daily Show," 0.711 million **

TBS, 11 p.m.-midnight, "Conan," 0.255 million

Adult Swim, 11:30 p.m.-12:30 a.m. ET, 1.087 million
Adult Swim, 12:30-1:30 a.m. ET, 0.808 million

** Monday's "Daily Show" was preempted and Tuesday's was an encore.

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