The Walking Dead: Dead City debuts as the biggest cable drama of 2023, but falls short of the millions of live viewers The Walking Dead used to have. Once the most-watched cable drama in terms of live viewers, The Walking Dead touted 17.29 million live viewers during season 5, episode 1, the best-performing episode of the franchise. However, The Walking Dead's viewership has dwindled since then, with the series finale drawing 2.27 million live viewers.
https://screenrant.com/walking-dead-dead-city-premiere-ratings-comparison/