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The number of U.S. workplaces where employees have started trying to organize unions jumped this year to the highest level in half a dozen years, a rise that reflects warming public attitudes toward unions amid a strong labor market.
In the first half of the year, workers at 1,411 U.S. workplaces filed petitions with the National Labor Relations Board, the first step in joining a union, according to a Wall Street Journal analysis of federal data. That represents a 69% increase from the same period in 2021 and the most of any year since 2015.
