More workers quit in February as job openings stayed high.

Job openings last month remained near record levels, and the number of workers voluntarily leaving their positions increased, the Labor Department said on Tuesday.

The data, released as part of the agency’s monthly report on job openings, layoffs and quitting, serve as indicators of how much demand there is for workers in the U.S. economy and the extent to which employers are still struggling with labor shortages months after the economy began recovering from the pandemic’s worst damage.

There were about 11.3 million job openings in February, essentially the same as the month...