NOW THAT'S WHAT I CALL MUSIC! 50 by NOW SERIES (UK) has sold 1,800,000 copies in United Kingdom.
NOW THAT'S WHAT I CALL MUSIC! 50 certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 United Kingdom |
1,800,000 | 6x Platinum | 1 February,2002 |
United Kingdom Sales: 1,800,000
Certification / note: 6x Platinum
Certification Date / sales as of: 1 February,2002
|
| Total sales | 1,800,000 | (in 1 country) |
Total
Sales: 1,800,000
(in 1 country)
|
Year-end chart performance for NOW THAT'S WHAT I CALL MUSIC! 50
| Chart 2001 | Rank | Sales |
 Irish Albums (IRMA) |
4 | |
| UK Albums |
3 | 1,210,000 |