As of the current reporting, the official television viewership rankings for Japanese animation for the week of July 28 to August 3, 2025, have not yet been publicly released by Video Research, the primary source for such data in Japan’s Kanto region. These rankings are typically compiled and published with a slight delay.
However, a look at the previous week’s performance (July 21-27, 2025) provides insight into the consistently strong contenders in the Japanese TV anime landscape. Additionally, early summer 2025 streaming trends offer a glimpse into broader audience engagement beyond traditional broadcast figures.
Top Anime on Japanese Television (July 21-27, 2025)
The official Japanese animation TV rankings for the week of July 21-27, 2025, based on average household ratings in the Kanto region, saw long-running staples continue to dominate, with new and ongoing series also making their mark. These ratings reflect live television viewership and do not account for later recordings or streaming.
| Rank | Title | Station | Date | Time | Length | Average Household Rating |
| :— | :— | :— | :— | :— | :— | :— |
| 1. | Sazae-san | Fuji TV | July 27 (Sun) | 18:30 | 30 min. | 5.9% |
| 2. | Detective Conan | NTV | July 26 (Sat) | 18:00 | 30 min. | 4.9% |
| 3. | Chibi Maruko-chan | Fuji TV | July 27 (Sun) | 18:00 | 30 min. | 4.2% |
| 4. | You and Idol Precure♪ | TV Asahi | July 27 (Sun) | 08:30 | 30 min. | 2.8% |
| 5. | One Piece | Fuji TV | July 27 (Sun) | 23:15 | 30 min. | 2.7% |
| 6. | Yaiba: Samurai Legend | NTV | July 26 (Sat) | 17:30 | 30 min. | 2.5% |
| 7. | Gachiakuta | TBS | July 27 (Sun) | 23:30 | 30 min. | 2.4% |
| 8. | Marco Polo’s Adventures | NHK | July 26 (Sat) | 05:10 | 28 min. | 2.4% |
| 9. | Doraemon | TV Asahi | July 26 (Sat) | 17:00 | 30 min. | 2.2% |
| 10. | Hell Teacher: Jigoku Sensei Nube | TV Asahi | July 23 (Wed) | 23:45 | 30 min. | 2.0% |
Please note that “Anpan,” a live-action Renzoku Terebi Shōsetsu (Serialized TV Novel), consistently earns high ratings, such as 17.0% on July 25 at 8:00 a.m., but is a live-action drama and not included in the animation ranking.
Enduring Popularity of Long-Running Series
The consistent presence of titles like Sazae-san, Detective Conan, and Chibi Maruko-chan at the top of the weekly rankings underscores their deeply ingrained cultural significance and broad appeal across generations in Japan. These series are broadcast during prime viewing slots and have been on air for decades, securing a loyal viewership.
Summer 2025 Anime Season: Streaming Trends and Notable Mentions
While official broadcast ratings for July 28 – August 3 are pending, early analyses of streaming popularity for the Summer 2025 anime season provide additional context to current anime trends. Streaming services often capture a different segment of the audience, including younger demographics and those who prefer on-demand viewing.
Niconico, a popular Japanese streaming service, released its “Initial Velocity” ranking for the Summer 2025 season based on views, comments, and overall access since July 14, 2025.,
Niconico’s Summer 2025 “Initial Velocity” Ranking (as of July 20, 2025)
- Takopi’s Original Sin,
- Dandadan,
- My Dress-Up Darling Season 2,
- Bad Girl,
- Secrets of the Silent Witch,
- Hell Teacher Nube (2025),
- Ruri Rocks,
- Detectives These Days Are Crazy!,
- Puniru Is a Kawaii Slime Season 2,
- 9- Ruler’s Crown,
This list highlights newer series and highly anticipated sequels that are generating significant buzz and engagement among streaming audiences. Takopi’s Original Sin, a new adaptation, notably took the top spot, demonstrating its immediate impact.,
Other highly anticipated anime for the Summer 2025 season include Solo Leveling Season 2, Kaiju No. 8 Season 2, and Blue Box, indicating a diverse range of genres captivating viewers. Long-standing global hits like One Piece continue to perform strongly, with its 21st season reaching new peaks in fandom.
Methodology of TV Ratings
It is important to note that the television ratings reported by Video Research are an estimate of the percentage of the population watching a given program, based on data from a survey of households in Japan’s Kanto region. These ratings do not account for recordings that viewers watch at a later time. Streaming viewership, as seen with Niconico’s rankings, offers a complementary perspective on anime popularity, capturing the digital engagement.