# List of 2020 box office number-one films in Japan

The following is a list of 2020 box office number-one films in Japan by week. When the number-one film in gross is not the same as the number-one film in admissions, both are listed.
| Week # | Date | Film | Gross | Notes |
| 1 | January 5, 2020 | Frozen II | US$4,590,139 | |
| 2 | January 12, 2020 | Frozen II | US$3,149,947 | |
| 3 | January 19, 2020 | Kaiji: Final Game | US$2,042,951 | |
| 4 | January 26, 2020 | Cats | US$2,398,741 | |
| 5 | February 2, 2020 | AI Amok | US$2,460,545 | |
| 6 | February 9, 2020 | Wotakoi: Love is Hard for Otaku | US$2,090,206 | |
| 7 | February 16, 2020 | Parasite | US$3,384,292 | |
| 8 | February 23, 2020 | Parasite | US$2,635,990 | |
| 9 | March 1, 2020 | Parasite | US$1,539,797 | |
| 10 | March 8, 2020 | Fukushima 50 | US$1,353,701 | |
| 11 | March 15, 2020 | Fukushima 50 | US$1,002,781 | |
| 12 | March 22, 2020 | Not Quite Dead Yet | US$773,912 | |
| Japanese cinemas closed and box office reporting suspended due to the COVID-19 pandemic |||||
| 20 | May 17, 2020 | Parasite | US$9,829 | |
| 21 | May 24, 2020 | The Real Exorcist | US$585,297 | |
| 22 | May 31, 2020 | The Real Exorcist | US$608,414 | |
| 23 | June 7, 2020 | The Real Exorcist | US$726,547 | |
| 24 | June 14, 2020 | The Real Exorcist | US$397,115 | |
| 25 | June 21, 2020 | Dolittle | US$1,058,837 | |
| 26 | June 28, 2020 | Dolittle | US$727,340 | |
| 27 | July 5, 2020 | Spirited Away | US$866,088 | |
| 28 | July 12, 2020 | Spirited Away | US$811,615 | |
| 29 | July 19, 2020 | From Today, It's My Turn the Movie! | US$5,892,004 | |
| 30 | July 26, 2020 | From Today, It's My Turn the Movie! | US$4,657,800 | |
| 31 | August 2, 2020 | From Today, It's My Turn the Movie! | US$2,592,200 | |
| 32 | August 9, 2020 | Doraemon: Nobita's New Dinosaur | US$3,879,000 | |
| 33 | August 16, 2020 | Fate/stay night: Heaven's Feel III. spring song | US$4,461,300 | |
| 34 | August 23, 2020 | Threads: Our Tapestry of Love | US$2,197,800 | |
| 35 | August 30, 2020 | Stigmatized Properties | US$3,362,500 | |
| 36 | September 6, 2020 | Stigmatized Properties | US$2,407,000 | |
| 37 | September 13, 2020 | Crayon Shin-chan: Crash! Rakuga Kingdom and Almost Four Heroes | US$2,478,000 | |
| 38 | September 20, 2020 | Tenet | US$3,112,000 | |
| 39 | September 27, 2020 | Tenet | US$2,332,800 | |
| 40 | October 4, 2020 | Tenet | US$1,988,000 | In gross |
| 40 | October 4, 2020 | The Asadas | US$1,628,400 | In attendance |
| 41 | October 11, 2020 | Tenet | US$1,610,900 | |
| 42 | October 18, 2020 | Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train | US$31,832,300 | |
| 43 | October 25, 2020 | Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train | US$28,994,300 | |
| 44 | November 1, 2020 | Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train | US$23,851,600 | |
| 45 | November 8, 2020 | Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train | US$17,055,100 | |
| 46 | November 15, 2020 | Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train | US$14,564,700 | |
| 47 | November 22, 2020 | Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train | US$9,879,600 | |
| 47 | November 29, 2020 | Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train | US$9,667,900 | |
| 48 | December 6, 2020 | Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train | US$6,302,600 | |
| 49 | December 13, 2020 | Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train | US$9,038,300 | |
| 50 | December 20, 2020 | Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train | US$3,766,200 | |
| 51 | December 27, 2020 | Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train | US$8,777,200 | |

## Highest-grossing films

Highest-grossing films of 2020 in Japan :
| Rank | Title | Gross |
| 1 | Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train | ¥36.55 billion ($342.31 million) |
| 2 | Star Wars: The Rise of Skywalker | ¥7.32 billion ($68.56 million) |
| 3 | From Today, It's My Turn the Movie! | ¥5.37 billion ($50.29 million) |
| 4 | Parasite | ¥4.74 billion ($44.39 million) |
| 5 | The Confidence Man JP: Episode of the Princess | ¥3.84 billion ($35.96 million) |
| 6 | Doraemon: Nobita's New Dinosaur | ¥3.35 billion ($31.37 million) |
| 7 | Tenet | ¥2.73 billion ($25.57 million) |
| 8 | Stigmatized Properties | ¥2.34 billion ($21.92 million) |
| 9 | Threads: Our Tapestry of Love | ¥2.27 billion ($21.26 million) |
| 10 | Violet Evergarden: The Movie | ¥2.13 billion ($19.95 million) |