By HOLLY OTTERBEIN 10/01/2019 05:59 AM EDT

Bernie Sanders raised more than $25 million in the third quarter of his presidential campaign, his aides announced Tuesday.

The large haul demonstrates that the Vermont senator, despite slipping to third place behind Elizabeth Warren and Joe Biden in national polling averages, remains a fundraising juggernaut. Sanders also recently revealed that 1 million people have donated to his bid for the White House — a milestone he reached faster than any Democratic presidential candidate in history.

Sanders' staffers said that the most common profession among his contributors during the quarter was teacher, and the most common employers of his donors were Walmart, Amazon and Starbucks. The average contribution was just over $18, they said.

“Bernie is proud to be the only candidate running to defeat Donald Trump who is 100 percent funded by grassroots donations — both in the primary and in the general,” said Sanders' campaign manager, Faiz Shakir. “Media elites and professional pundits have tried repeatedly to dismiss this campaign, and yet working-class Americans keep saying loudly and clearly that they want a political revolution.”

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