NOW AND ZEN by ROBERT PLANT has sold 3,100,000 copies in United Kingdom and United States.
NOW AND ZEN certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 United Kingdom |
100,000 | 1x Gold | 1 March, 1992 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 1 March, 1992
|
 United States |
3,000,000 | 3x Platinum | 7 September, 2001 |
United States Sales: 3,000,000
Certification / note: 3x Platinum
Certification Date / sales as of: 7 September, 2001
|
| Total sales | 3,100,000 | (in 2 countries) |
Total
Sales: 3,100,000
(in 2 countries)
|
Year-end chart performance for NOW AND ZEN
| Chart 1988 | Rank |
 Canadian Albums (RPM) |
19 |
| US Albums (Billboard 200) |
20 |