WE ARE FAMILY by SISTER SLEDGE has sold 1,100,000 copies in United Kingdom and United States.
WE ARE FAMILY certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 United Kingdom |
100,000 | 1x Gold | 19 September, 1984 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 19 September, 1984
|
 United States |
1,000,000 | 1x Platinum | 23 May, 1979 |
United States Sales: 1,000,000
Certification / note: 1x Platinum
Certification Date / sales as of: 23 May, 1979
|
| Total sales | 1,100,000 | (in 2 countries) |
Total
Sales: 1,100,000
(in 2 countries)
|
Year-end chart performance for WE ARE FAMILY
| Chart 1979 | Rank | Sales |
 Canadian Albums (RPM) |
28 | |
| UK Albums (Music Week) |
86 | |
| US Albums (Billboard 200) |
37 | |
| Chart 1984 | Rank | Sales |
| UK Albums (Music Week) |
86 | 100,000 |