Domestic Box Office For Jan 21, 2010
| TD | YD | Release | Distributor | Daily | %± YD | %± LW | Theaters | Avg | To Date | Days |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Avatar | Twentieth Century Fox | $3,945,213 | +4% | -16% | 3,285 | $1,200 | $516,797,418 | 35 |
| 2 | 2 | The Book of Eli | Warner Bros. | $2,044,218 | +0.5% | - | 3,111 | $657 | $45,003,223 | 7 |
| 3 | 4 | It's Complicated | Universal Pictures | $774,865 | +7.3% | -27.2% | 2,670 | $290 | $92,460,060 | 28 |
| 4 | 3 | The Lovely Bones | DreamWorks | $764,707 | +4.1% | +18,597% | 2,563 | $298 | $22,824,441 | 42 |
| 5 | 5 | Sherlock Holmes | Warner Bros. | $727,237 | +5.6% | -39.6% | 3,173 | $229 | $184,448,783 | 28 |
| 6 | 6 | Up in the Air | Paramount Pictures | $480,458 | +6.2% | -25.1% | 2,107 | $228 | $65,343,526 | 49 |
| 7 | 7 | The Blind Side | Warner Bros. | $474,098 | +15.8% | -21.9% | 2,408 | $196 | $229,512,266 | 63 |
| 8 | 9 | Alvin and the Chipmunks: The Squeakquel | Twentieth Century Fox | $410,308 | +7.1% | -36.3% | 3,296 | $124 | $197,736,844 | 30 |
| 9 | 10 | Leap Year | Universal Pictures | $401,965 | +10.3% | -36% | 2,512 | $160 | $19,966,185 | 14 |
| 10 | 8 | Daybreakers | Lionsgate | $387,727 | -1% | -53.1% | 2,523 | $153 | $26,545,295 | 14 |
| 11 | 11 | The Spy Next Door | Lionsgate | $312,656 | +5% | - | 2,924 | $106 | $13,960,115 | 7 |
| 12 | 12 | Youth in Revolt | - | $244,207 | +2.6% | -49.6% | 1,873 | $130 | $13,449,905 | 14 |
| 13 | 13 | The Princess and the Frog | Walt Disney Studios Motion Pictures | $142,443 | +16.2% | -45.1% | 1,777 | $80 | $97,955,233 | 58 |
| 14 | 14 | The Young Victoria | Apparition | $111,273 | +8.2% | -23.5% | 418 | $266 | $6,631,366 | 35 |
| 15 | 15 | A Single Man | The Weinstein Company | $92,756 | +4.4% | +127.8% | 219 | $423 | $3,749,020 | 42 |
| 16 | 19 | The Twilight Saga: New Moon | Summit Entertainment | $81,959 | +16.9% | -45.8% | 724 | $113 | $292,661,450 | 63 |
| 17 | 16 | Nine | The Weinstein Company | $80,074 | -0.6% | -55.9% | 422 | $189 | $18,538,149 | 35 |
| 18 | 18 | Invictus | Warner Bros. | $78,392 | +8.3% | -54.3% | 602 | $130 | $35,389,564 | 42 |
| 19 | 17 | Crazy Heart | Fox Searchlight Pictures | $73,373 | -0.7% | +57.7% | 47 | $1,561 | $2,512,475 | 37 |
| 20 | 20 | Did You Hear About the Morgans? | Sony Pictures Releasing | $36,075 | +16.9% | -74.5% | 521 | $69 | $29,453,912 | 35 |
| 21 | 21 | Precious | Lionsgate | $34,314 | +12.6% | -37.7% | 228 | $150 | $44,931,106 | 77 |
| 22 | 23 | The Road | - | $18,657 | +25.4% | -47.1% | 145 | $128 | $7,692,078 | 58 |
| 23 | 24 | Fantastic Mr. Fox | Twentieth Century Fox | $14,545 | +4.5% | -84.8% | 196 | $74 | $20,048,981 | 70 |
| 24 | 25 | Brothers | Lionsgate | $13,737 | +2.9% | -64.8% | 174 | $78 | $28,544,157 | 49 |
| 25 | 22 | 3 Idiots | Reliance Big Pictures | $13,459 | -12.8% | -50.4% | 120 | $112 | $6,148,048 | 30 |
| 26 | 26 | Ninja Assassin | Warner Bros. | $12,288 | +1% | +50.7% | 206 | $59 | $37,848,160 | 58 |
| 27 | 28 | Couples Retreat | Universal Pictures | $9,305 | +10.1% | -32.8% | 169 | $55 | $108,958,060 | 105 |
| 28 | 27 | Under the Sea 3D | Warner Bros. | $8,924 | -22.4% | -26.1% | 28 | $318 | $19,705,121 | 343 |
| 29 | 29 | The Men Who Stare at Goats | Overture Films | $7,947 | +7.4% | -50% | 142 | $55 | $32,326,955 | 77 |
| 30 | 30 | Where the Wild Things Are | Warner Bros. | $6,328 | -5.5% | -54.6% | 185 | $34 | $77,034,393 | 98 |
| 31 | 31 | Law Abiding Citizen | Overture Films | $6,192 | +2% | -53% | 125 | $49 | $73,247,311 | 98 |
| 32 | 33 | The Boondock Saints II: All Saints Day | Apparition | $3,910 | +4.3% | -56.8% | 50 | $78 | $10,161,557 | 84 |
| 33 | 32 | Chance Pe Dance | UTV Motion Pictures | $3,878 | -32.7% | - | 68 | $57 | $147,570 | 7 |
| 34 | 34 | Me and Orson Welles | Freestyle Releasing | $2,976 | -0.1% | -38.8% | 20 | $148 | $1,078,816 | 58 |
| 35 | 35 | Astro Boy | Summit Entertainment | $1,106 | +49.7% | -68.6% | 54 | $20 | $19,551,067 | 91 |
| 36 | 36 | Paranormal Activity | Paramount Pictures | $563 | +29.7% | -77.2% | 52 | $10 | $107,918,810 | 119 |
| 37 | 37 | 44 Inch Chest 2010 Re-release | Image Entertainment | $282 | -6.3% | - | 1 | $282 | $6,220 | 7 |
| 38 | 39 | Mystery Team | Roadside Attractions | $104 | +166.7% | - | 1 | $104 | $55,725 | 147 |
| 39 | 38 | The Slammin' Salmon | Anchor Bay Films | $54 | -55.7% | -62% | 1 | $54 | $41,255 | 42 |
| 40 | 40 | The September Issue | Roadside Attractions | $31 | -13.9% | -54.4% | 2 | $15 | $3,818,653 | 147 |
| 41 | - | That Evening Sun | Freestyle Releasing | $10 | - | - | 1 | $10 | $48,513 | 77 |