What was the largest attendance at a rolling stones concert?

The largest attendance at a Rolling Stones concert reportedly occurred on February 18, 1990, during their "Steel Wheels" tour in Copacabana Beach, Rio de Janeiro, Brazil. The concert drew an estimated crowd of around 1.5 million people, making it one of the largest live concert audiences in history. This massive turnout showcased the band's enduring popularity and ability to attract huge crowds.