The Statistical standard for geographic areas 2018 (SSGA18) defines the Stats NZ input and output geographic classifications. The statistical geographies form a hierarchy of geographic areas which cover all of geographic New Zealand.
Figure 1 illustrates Stats NZ’s geographic hierarchy.
Figure 1

Figure 2 shows the district health board geography.
Figure 2

View the geographic boundaries in Stats NZ Geographic Data Service.
Concepts, classifications, and concordances for the geographic classifications are available in Ariā for the following geographies:
- Statistical geographies
- Administrative boundaries
- Electoral boundaries
The following NZSAC92 classifications have been retired:
See Statistical standard for geographic areas 2018 for further details.
Updated 4 December 2019