Demon Slayer: Kimetsu no Yaiba Infinity Castle – Akaza's Return has earned a global box office total of over $400 million as of mid-September 2025. In Japan alone, it grossed about ¥31.43 billion (approximately $213.4 million) after 50 days in theaters. The film set multiple box office records, including the highest opening weekend revenue and highest opening day revenue in Japan, where it earned over 7.3 billion yen (~$50 million) in the first four days. In North America, the movie had the biggest anime film opening weekend ever, earning around $70 million. It also made a strong impact in other international markets such as India, where it earned around ₹40-41 crore (about $5-5.1 million) in the opening weekend, and Korea and Taiwan with tens of millions in earnings respectively. Overall, the worldwide earnings have surpassed $400 million, making it one of the top-grossing anime movies and a major box office success globally.