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 increased slightly in Q3; this followed five consecutive quarter with declining rents.
For Neighborhood and Community malls (strip malls), the vacancy rate was 10.4% in Q3, down from 10.5% in Q2, and unchanged from 10.4% in Q3 2020.
For Regional malls, the vacancy rate was 11.2% in Q3, down from 11.5% in Q2, and up from 10.1% in Q3 2020.
All vacancy data courtesy of Reis