THE BEST OF by RADIOHEAD has sold 499,812 copies in 7 countries. The album sold best in United Kingdom (300,000 copies), France (100,000 copies) and Italy (50,000 copies).
THE BEST OF certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Belgium |
15,000 | 1x Gold | 2009 |
Belgium Sales: 15,000
Certification / note: 1x Gold
Certification Date / sales as of: 2009
|
 France |
100,000 | 1x Platinum | 4 September, 2013 |
France Sales: 100,000
Certification / note: 1x Platinum
Certification Date / sales as of: 4 September, 2013
|
 Ireland |
15,000 | 1x Platinum | 2008 |
Ireland Sales: 15,000
Certification / note: 1x Platinum
Certification Date / sales as of: 2008
|
 Italy |
50,000 | 1x Platinum (Sales since 2009) | 2014 |
Italy Sales: 50,000
Certification / note: 1x Platinum (Sales since 2009)
Certification Date / sales as of: 2014
|
 Korea |
9,812 | RIAK / Gaon charts |
Korea Sales: 9,812
Certification / note: RIAK / Gaon charts
Certification Date / sales as of:
|
|
 Poland |
10,000 | 1x Gold | 2008 |
Poland Sales: 10,000
Certification / note: 1x Gold
Certification Date / sales as of: 2008
|
 United Kingdom |
300,000 | 1x Platinum | 22 July, 2013 |
United Kingdom Sales: 300,000
Certification / note: 1x Platinum
Certification Date / sales as of: 22 July, 2013
|
| Total sales | 499,812 | (in 7 countries) |
Total
Sales: 499,812
(in 7 countries)
|
Year-end chart performance for THE BEST OF
| Chart 2008 | Rank |
| Belgian Albums (Ultratop Flanders) |
32 |
| Belgian Albums (Ultratop Wallonia) |
65 |
| UK Albums (Charts Plus) |
128 |
| Chart 2012 | Rank |
| Italian Albums (FIMI) |
74 |