In the US the jackpots for Mega Millions and Powerball just keep increasing until someone wins. There must be a dozen or more payouts in excess of $500 million. The 3 largest single winners:
$1.537 billion, Mega Millions, Oct. 23, 2018 (one ticket, from South Carolina)
$1.337 billion, Mega Millions, July 29, 2022 (one ticket, from Illinois)
$1.05 billion, Mega Millions, Jan. 22, 2021 (one ticket, from Michigan)