How much albums has system of a down sold?

As of 2022, System of a Down has sold over 40 million albums worldwide. Their self-titled debut album, released in 1998, was certified gold in the United States by the Recording Industry Association of America (RIAA). Their second album, Toxicity, released in 2001, was certified triple platinum by the RIAA and was the highest-selling album by an Armenian-American band. Their third album, Steal This Album!, released in 2002, was certified platinum by the RIAA. Their fourth album, Mezmerize, released in 2005, debuted at number one on the Billboard 200 chart in the United States and was certified platinum by the RIAA. Their fifth album, Hypnotize, released in 2005, also debuted at number one on the Billboard 200 chart and was certified platinum by the RIAA.