THE RIDDLE by NIK KERSHAW has sold 315,000 copies in New Zealand and United Kingdom.
THE RIDDLE certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 New Zealand |
15,000 | 1x Platinum |
New Zealand Sales: 15,000
Certification / note: 1x Platinum
Certification Date / sales as of:
|
|
 United Kingdom |
300,000 | 1x Platinum | 28 December, 1984 |
United Kingdom Sales: 300,000
Certification / note: 1x Platinum
Certification Date / sales as of: 28 December, 1984
|
| Total sales | 315,000 | (in 2 countries) |
Total
Sales: 315,000
(in 2 countries)
|
Year-end chart performance for THE RIDDLE
| Chart 1984 | Rank | Sales |
| UK Albums (Music Week) |
42 | 190,000 |
| Chart 1985 | Rank | Sales |
 German Albums (Offizielle Top 100) |
61 | |
| New Zealand Albums (RMNZ) |
24 | |
| UK Albums (Music Week) |
96 | 110,000 |