President Joe Biden has won the support of the United Auto Workers (UAW) as union employment rates across the United States fall to record lows.

UAW President Sean Fein announced the union's support Wednesday at the national conference in Washington, D.C. In September, Biden skipped a Republican presidential debate and rushed to join striking UAW union members on the picket line ahead of former President Donald Trump to hold a meeting instead. Talk to union members.

“Joe Biden bet on American workers, and Donald Trump blamed American workers,” Fein said. “So if there was ever a need to have our support, Joe Biden got it.”

“Today, I am proud to stand here with the International Board of Directors and announce that the UAW is endorsing Joe Biden for President of the United States,” Fein said as attendees chanted for the UAW. continued.

Biden, who spoke after Fein, took to the stage wearing a UAW baseball cap.

“I kept my promise to be the most pro-union president in history,” Biden said.

Even after other unions and the UAW's 2023 strike gained attention, the overall union employment share in the U.S. fell to an all-time low. In 2023, 10% of hourly and salaried workers were unionized, the lowest on record and down 0.1% from 2022. according to To the U.S. Bureau of Labor Statistics.

In the 2020 election, 56% of union households voted for Biden and 40% voted for Trump. according to Go to Roper Center. Among those without a college degree, 53% voted for Trump and 46% voted for Biden. according to to the New York Times. (Related: Things keep getting worse for Joe Biden, poll shows)

“Thank you. I couldn't be more proud or honored that you chose to support me,” Biden said Wednesday as the audience chanted “four more years.”