QUIET NIGHTS by DIANA KRALL has sold 193,500 copies in 8 countries. The album sold best in France (50,000 copies), Spain (40,000 copies) and Australia (35,000 copies).
QUIET NIGHTS certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
|  Australia | 35,000 | 1x Gold |  Australia Sales: 35,000 Certification / note: 1x Gold Certification Date / sales as of:  | |
|  Austria | 15,000 | 1x Gold | 11 September, 2014 |  Austria Sales: 15,000 Certification / note: 1x Gold Certification Date / sales as of: 11 September, 2014 | 
|  France | 50,000 | 1x Gold | 3 September, 2009 |  France Sales: 50,000 Certification / note: 1x Gold Certification Date / sales as of: 3 September, 2009 | 
|  Hungary | 6,000 | 1x Platinum | 2009 |  Hungary Sales: 6,000 Certification / note: 1x Platinum Certification Date / sales as of: 2009 | 
|  New Zealand | 7,500 | 1x Gold |  New Zealand Sales: 7,500 Certification / note: 1x Gold Certification Date / sales as of:  | |
|  Poland | 20,000 | 1x Platinum | 2009 |  Poland Sales: 20,000 Certification / note: 1x Platinum Certification Date / sales as of: 2009 | 
|  Portugal | 20,000 | 1x Platinum |  Portugal Sales: 20,000 Certification / note: 1x Platinum Certification Date / sales as of:  | |
|  Spain | 40,000 | 1x Gold | 2009 |  Spain Sales: 40,000 Certification / note: 1x Gold Certification Date / sales as of: 2009 | 
| Total sales | 193,500 | (in 8 countries) | Total Sales: 193,500 (in 8 countries) | 
Year-end chart performance for QUIET NIGHTS
| Chart 2009 | Rank | Sales | 
|  Belgian Albums (Ultratop Wallonia) | 67 | |
|  Canadian Albums (Billboard) | 21 | |
|  French Albums (SNEP) | 61 | |
|  Hungarian Albums (MAHASZ) | 14 | |
|  Polish Albums (ZPAV) | 35 | |
|  Portuguese Albums (AFP) | 9 | |
|  US Albums (Billboard 200) | 91 | |
|  US Albums (Soundscan) | 99 | 381,100 | 

