Metallica debuted at number one in 10 countries. Its international chart performance confirmed that the album’s appeal extended far beyond the band’s established metal audience.
The record reached number one in major markets including the United States, the United Kingdom, Australia, Canada, Germany, New Zealand, Norway, the Netherlands, Sweden, and Switzerland. It also achieved strong positions in several other countries.
In the United States, the album became Metallica’s first to debut at number one on the Billboard 200 and remained there for four consecutive weeks. It was also certified platinum within two weeks of release.
The international success was especially notable because the album represented a stylistic shift. Compared with Metallica’s earlier thrash-oriented work, the 1991 record used more compact songwriting, a heavier but more polished production style, and several songs designed for broad radio and video exposure.