SIZE ISN'T EVERYTHING by BEE GEES has sold 100,000 copies in United Kingdom.
SIZE ISN'T EVERYTHING certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 United Kingdom |
100,000 | 1x Gold | 1 December, 1993 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 1 December, 1993
|
| Total sales | 100,000 | (in 1 country) |
Total
Sales: 100,000
(in 1 country)
|
Year-end chart performance for SIZE ISN'T EVERYTHING
| Chart 2017 | Rank |
 Belgian Music DVD (Ultratop Flanders) |
26 |
| Belgian Music DVD (Ultratop Wallonia) |
16 |
 Dutch Music DVD (Dutch Charts) |
21 |
 Swedish Music DVD (Sverigetopplistan) |
10 |
| Chart 2019 | Rank |
| Swedish Music DVD (Sverigetopplistan) |
91 |
| Chart 2020 | Rank |
 Portuguese Music DVD (AFP) |
173 |