There have never been more office employees going into offices across the United States since the onset of the pandemic, but the in-office population is still less than half of pre-pandemic levels.

A record number of employees were back at the office for the week of March 30, according to Kastle Systems’ “Back to Work Barometer”. While that’s positive news for the office market, the level marked only 42 percent of pre-pandemic levels.

The share of workers back in the office was the highest in around ...