Japanese Box Office For December 2004
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Howl's Moving Castle | $36,780,509 | 450 | $190,000,000 | Nov 20 | Toho |
| 2 | The Incredibles | $14,689,543 | 690 | $49,967,205 | Dec 4 | Buena Vista International |
| 3 | Be with You | $8,270,580 | 255 | $44,567,672 | Oct 30 | Toho |
| 4 | The Polar Express | $4,007,298 | 415 | $9,893,258 | Nov 27 | Warner Bros. |
| 5 | Everybody Has Secrets | $3,880,099 | 159 | $4,888,679 | Nov 27 | Toshiba Entertainment |
| 6 | Godzilla: Final Wars | $3,822,189 | 287 | $9,133,840 | Dec 4 | Toho |
| 7 | Windstruck | $2,252,475 | 297 | $17,773,061 | Dec 11 | Warner Bros. |
| 8 | Collateral | $2,144,707 | 391 | $19,839,525 | Oct 30 | United International Pictures |
| 9 | Sky Captain and the World of Tomorrow | $1,517,337 | 216 | $2,111,175 | Nov 27 | Gaga |
| 10 | The Hidden Blade | $938,893 | 286 | $8,004,304 | Oct 30 | Shochiku |
| 11 | Blood and Bones | $581,091 | 211 | $4,370,922 | Nov 6 | Shochiku |
| 12 | Lady Joker | $430,625 | 229 | $430,625 | Dec 11 | Toei Company |
