NOW THAT'S WHAT I CALL MUSIC! 56 by NOW SERIES (UK) has sold 1,500,000 copies in United Kingdom.
NOW THAT'S WHAT I CALL MUSIC! 56 certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 United Kingdom |
1,500,000 | 5x Platinum | 23 April, 2004 |
United Kingdom Sales: 1,500,000
Certification / note: 5x Platinum
Certification Date / sales as of: 23 April, 2004
|
| Total sales | 1,500,000 | (in 1 country) |
Total
Sales: 1,500,000
(in 1 country)
|
Year-end chart performance for NOW THAT'S WHAT I CALL MUSIC! 56
| Chart 2003 | Rank | Sales |
 Irish Albums (IRMA) |
6 | |
| UK Albums |
4 | 1,130,000 |