YOU LIGHT UP MY LIFE by JOHNNY MATHIS has sold 1,100,000 copies in United Kingdom and United States.
YOU LIGHT UP MY LIFE certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 United Kingdom |
100,000 | 1x Gold | 30 June, 1978 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 30 June, 1978
|
 United States |
1,000,000 | 1x Platinum | 6 July, 1978 |
United States Sales: 1,000,000
Certification / note: 1x Platinum
Certification Date / sales as of: 6 July, 1978
|
| Total sales | 1,100,000 | (in 2 countries) |
Total
Sales: 1,100,000
(in 2 countries)
|
Year-end chart performance for YOU LIGHT UP MY LIFE
| Chart 1978 | Rank |
 Canadian Albums (RPM) |
52 |
| UK Albums (Music Week) |
21 |
| US Albums (Billboard 200) |
73 |