There were three assaults and six serious verbal threats in Bay of Plenty Work and Income branches, including Rotorua, last year.
A total of 23 assaults and 265 threats occurred nationwide with the Canterbury region receiving the most threats and Auckland the most assaults.
The statistics were released to the Rotorua Daily Post by the Ministry of Social Development yesterday following a shooting in Ashburton that left two Work and Income staff dead and one seriously injured.
In response to an Official Information Act request earlier this year, Ministry of Social Development deputy chief executive Debbie Power said the ministry placed a high priority on the safety of its staff and clients.
"Our security policy is an essential component of the ministry's strategy to reduce risks, to staff and clients.