According to Sony Music Canada, JANIS JOPLIN sold over 31,000,000 albums worldwide, including 18,166,667 in the United States and 160,000 in the United Kingdom. The best-selling album by JANIS JOPLIN is GREATEST HITS, which sold over 9,586,540 copies .
Contents: 
JANIS JOPLIN albums ranked by sales
1

Sales: 9,586,540
Rankings:
2

Sales: 4,611,000
Rankings:
3

Sales: 2,021,348
Rankings:
4

Sales: 1,070,393
Rankings:
5

Sales: 1,000,000
Rankings:
6

Sales: 559,600
Rankings:
7

Sales: 511,000
Rankings:
8

Sales: 172,037
Rankings:
9

Sales: 125,000
Rankings:
10

Sales: 42,000
Rankings:
11

Sales: 27,343
Rankings:
12

Sales: 11,920
Rankings:
13

Sales: 5,750
Rankings:
JANIS JOPLIN total sales by country
| Country | Sales | Albums counted | |
|  Austria | 75,000 | 2 |  Austria Sales: 75,000
                                     Albums counted: 2 | 
|  Canada | 802,000 | 5 |  Canada Sales: 802,000
                                     Albums counted: 5 | 
|  France | 100,000 | 1 |  France Sales: 100,000
                                     Albums counted: 1 | 
|  Italy | 50,000 | 1 |  Italy Sales: 50,000
                                     Albums counted: 1 | 
|  Japan | 190,420 | 8 |  Japan Sales: 190,420
                                     Albums counted: 8 | 
|  Netherlands | 50,000 | 1 |  Netherlands Sales: 50,000
                                     Albums counted: 1 | 
|  New Zealand | 7,500 | 1 |  New Zealand Sales: 7,500
                                     Albums counted: 1 | 
|  Norway | 50,000 | 1 |  Norway Sales: 50,000
                                     Albums counted: 1 | 
|  Switzerland | 25,000 | 1 |  Switzerland Sales: 25,000
                                     Albums counted: 1 | 
|  United Kingdom | 160,000 | 2 |  United Kingdom Sales: 160,000
                                     Albums counted: 2 | 
|  United States | 18,166,667 | 8 |  United States Sales: 18,166,667
                                     Albums counted: 8 | 
|  Yugoslavia | 67,344 | 3 |  Yugoslavia Sales: 67,344
                                     Albums counted: 3 | 
JANIS JOPLIN detailed sales by country
| Country | Album | Sales | Certification / source | |
|  Austria | THE VERY BEST OF | 25,000 | 1x Gold |  Austria Album: THE VERY BEST OF Sales: 25,000
                                     Certification / source: 1x Gold | 
|  Austria | GREATEST HITS | 50,000 | 1x Platinum |  Austria Album: GREATEST HITS Sales: 50,000
                                     Certification / source: 1x Platinum | 
|  Canada | COLLECTION | 42,000 | Soundscan |  Canada Album: COLLECTION Sales: 42,000
                                     Certification / source: Soundscan | 
|  Canada | JANIS IN CONCERT | 50,000 | 1x Gold |  Canada Album: JANIS IN CONCERT Sales: 50,000
                                     Certification / source: 1x Gold | 
|  Canada | GREATEST HITS | 260,000 | 1x Platinum |  Canada Album: GREATEST HITS Sales: 260,000
                                     Certification / source: 1x Platinum | 
|  Canada | I GOT DEM OL' KOSMIC BLUES AGAIN MAMA | 50,000 | 1x Gold |  Canada Album: I GOT DEM OL' KOSMIC BLUES AGAIN MAMA Sales: 50,000
                                     Certification / source: 1x Gold | 
|  Canada | PEARL | 400,000 | 4x Platinum |  Canada Album: PEARL Sales: 400,000
                                     Certification / source: 4x Platinum | 
|  France | GREATEST HITS | 100,000 | 1x Gold |  France Album: GREATEST HITS Sales: 100,000
                                     Certification / source: 1x Gold | 
|  Italy | GREATEST HITS | 50,000 | 1x Platinum (Sales since 2009) |  Italy Album: GREATEST HITS Sales: 50,000
                                     Certification / source: 1x Platinum (Sales since 2009) | 
|  Japan | GREATEST HITS | 1,540 | Oricon charts |  Japan Album: GREATEST HITS Sales: 1,540
                                     Certification / source: Oricon charts | 
|  Japan | PEARL | 151,000 | 1x Gold |  Japan Album: PEARL Sales: 151,000
                                     Certification / source: 1x Gold | 
|  Japan | JANIS | 5,370 | Oricon charts |  Japan Album: JANIS Sales: 5,370
                                     Certification / source: Oricon charts | 
|  Japan | 18 ESSENTIAL SONGS | 3,500 | Oricon charts |  Japan Album: 18 ESSENTIAL SONGS Sales: 3,500
                                     Certification / source: Oricon charts | 
|  Japan | STAR BOX | 5,750 | Oricon charts |  Japan Album: STAR BOX Sales: 5,750
                                     Certification / source: Oricon charts | 
|  Japan | JANIS IN CONCERT | 9,600 | Oricon charts |  Japan Album: JANIS IN CONCERT Sales: 9,600
                                     Certification / source: Oricon charts | 
|  Japan | CHEAP THRILLS | 1,740 | Oricon charts |  Japan Album: CHEAP THRILLS Sales: 1,740
                                     Certification / source: Oricon charts | 
|  Japan | THE GREAT JANIS | 11,920 | Oricon charts |  Japan Album: THE GREAT JANIS Sales: 11,920
                                     Certification / source: Oricon charts | 
|  Netherlands | THE VERY BEST OF | 50,000 | 1x Gold |  Netherlands Album: THE VERY BEST OF Sales: 50,000
                                     Certification / source: 1x Gold | 
|  New Zealand | 18 ESSENTIAL SONGS | 7,500 | 1x Gold |  New Zealand Album: 18 ESSENTIAL SONGS Sales: 7,500
                                     Certification / source: 1x Gold | 
|  Norway | THE VERY BEST OF | 50,000 | 1x Platinum |  Norway Album: THE VERY BEST OF Sales: 50,000
                                     Certification / source: 1x Platinum | 
|  Switzerland | GREATEST HITS | 25,000 | 1x Gold |  Switzerland Album: GREATEST HITS Sales: 25,000
                                     Certification / source: 1x Gold | 
|  United Kingdom | PEARL | 60,000 | 1x Silver |  United Kingdom Album: PEARL Sales: 60,000
                                     Certification / source: 1x Silver | 
|  United Kingdom | GREATEST HITS | 100,000 | 1x Gold |  United Kingdom Album: GREATEST HITS Sales: 100,000
                                     Certification / source: 1x Gold | 
|  United States | JANIS | 166,667 | 1x Gold |  United States Album: JANIS Sales: 166,667
                                     Certification / source: 1x Gold | 
|  United States | PEARL | 4,000,000 | 4x Platinum |  United States Album: PEARL Sales: 4,000,000
                                     Certification / source: 4x Platinum | 
|  United States | 18 ESSENTIAL SONGS | 500,000 | 1x Gold |  United States Album: 18 ESSENTIAL SONGS Sales: 500,000
                                     Certification / source: 1x Gold | 
|  United States | GREATEST HITS | 9,000,000 | 9x Platinum |  United States Album: GREATEST HITS Sales: 9,000,000
                                     Certification / source: 9x Platinum | 
|  United States | SUPER HITS | 1,000,000 | 1x Platinum |  United States Album: SUPER HITS Sales: 1,000,000
                                     Certification / source: 1x Platinum | 
|  United States | JANIS IN CONCERT | 500,000 | 1x Gold |  United States Album: JANIS IN CONCERT Sales: 500,000
                                     Certification / source: 1x Gold | 
|  United States | CHEAP THRILLS | 2,000,000 | 2x Platinum |  United States Album: CHEAP THRILLS Sales: 2,000,000
                                     Certification / source: 2x Platinum | 
|  United States | I GOT DEM OL' KOSMIC BLUES AGAIN MAMA | 1,000,000 | 1x Platinum |  United States Album: I GOT DEM OL' KOSMIC BLUES AGAIN MAMA Sales: 1,000,000
                                     Certification / source: 1x Platinum | 
|  Yugoslavia | I GOT DEM OL' KOSMIC BLUES AGAIN MAMA | 20,393 | Yugopapir |  Yugoslavia Album: I GOT DEM OL' KOSMIC BLUES AGAIN MAMA Sales: 20,393
                                     Certification / source: Yugopapir | 
|  Yugoslavia | FAREWELL SONG | 27,343 | Yugopapir |  Yugoslavia Album: FAREWELL SONG Sales: 27,343
                                     Certification / source: Yugopapir | 
|  Yugoslavia | CHEAP THRILLS | 19,608 | Yugopapir |  Yugoslavia Album: CHEAP THRILLS Sales: 19,608
                                     Certification / source: Yugopapir | 
