On which chart did Metallica’s 1991 album debut at number one in the United States?

Metallica’s 1991 album debuted at number one on the Billboard 200 in the United States.

The Billboard 200 ranks albums and extended plays according to consumption in the U.S., while the Billboard Hot 100 ranks individual songs. The distinction matters because “Enter Sandman,” the album’s lead single, charted separately on the Hot 100 and reached number 16 there.

The album’s number-one debut reflected the scale of Metallica’s breakthrough. The band had already built a large international following through four influential studio albums, but The Black Album connected that established heavy-metal audience with mainstream rock and pop listeners.

The album also reached number one in numerous other countries, making its American chart performance part of a broader international success story. It remained a long-running commercial title rather than a brief opening-week phenomenon, eventually becoming one of the best-selling heavy-metal albums in history.