The first graph shows the office vacancy rate starting in 1980 (prior to 1999 the data is annual).
Reis also reported that office effective rents declined in Q2; the fifth consecutive quarter with declining rents.
For Neighborhood and Community malls (strip malls), the vacancy rate was 10.5% in Q2, down from 10.6% in Q1, and up from 10.2% in Q2 2020.
For Regional malls, the vacancy rate was 11.5% in Q2, up from 11.4% in Q1, and up from 9.8% in Q2 2020.
All vacancy data courtesy of Reis