In 2020, the third volume of Spy × Family had received an initial print run of 400,000 copies. Along with Kingdom, it had an initial print run of 1 million copies, with its sixth volume in 2021. In May 2021, Spy × Family had reached 10 million copies in circulation and increased to 11 million copies by the next month. With 537,558 copies sold in its first week, volume six became the series' second consecutive volume to debut at number one on Oricon's weekly list of the best-selling manga. Volume six was among the top 30 best-selling manga volumes of 2021 according to Oricon. By November 2021, the manga had over 12.5 million copies in circulation. It was the eighth best-selling manga in 2021, with over 4.9 million copies sold within that year. The series was ranked tenth on Rakuten's Top 20 Best Selling Digital Manga of 2020 and 16th in 2021.
