The manga industry that's rooted in Japan has grown tremendously over the years and has now become a global phenomenon. Despite that, most manga sales still come from the home country. Every year, fans get a list of the most sold manga, including both new and old series, which helps them gauge which series is on the rise and what experiences a drop-off. Not all manga series are equally popular, and only a few have established themselves as legendary, with impressive sales figures to back them up.

While 2026 is nearing its end, we finally have the full figures for Japanese manga sales of 2025, which were revealed fully earlier this month. To no one's surprise, Japan's highest-selling manga of all time, One Piece, established itself as the number one bestseller of the year. One Piece is set to continue on this trend in 2026 and possibly 2027.

Manga sales are the most effective way to assess how a series is doing in Japan. The most accurate numbers concerning these sales come to us directly from Oricon. Oricon Inc. was founded in 1999, and it remains, even today, the most reliable source to acquire the average number of sales of manga series over any set period of time.

2026's end is already around the corner. However, for the most accurate manga sales numbers, it often takes a while to get the final score. That is why on October 22, 2026, Oricon released its official numbers concerning the best-selling series in Japan in the year 2025.

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