New Zealand 2018 Estimated Resident Population Statistical Grid 1 kilometre (prototype), 2022

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Added
11 Oct 2022

This dataset was first added to Stats NZ Geographic Data Service on 11 Oct 2022.

A prototype population grid using the 2018 Estimate Resident Population (ERP). Population estimates by SA1s are used as an input to derive population grids. These estimates are not official statistics. They’re derived as a customised dataset used to produce the experimental population grids.

This is one of three resolutions of the national statistical grid, 1 kilometre, 500 metres and 250 metres, where the resolution is the length of one side of the square grid cell.

The Estimated Resident Population (ERP) by Statistical Area 1 (SA1), rounded to the nearest 10, was proportionally divided between private and some nonprivate dwelling point locations from the Stats NZ Statistical Location Register. The dwellings were spatially joined to the ERP SA1 to calculate the number of dwellings within each SA1. The SA1 ERP divided by the number of dwellings gave the number of people per dwelling for each SA1. The people per dwelling was spatially joined back to the dwelling dataset then spatially joined to the grid with the option chosen to sum the dwelling population within each grid cell. Population estimates are based on 2018 census results. The estimated resident population of an area in New Zealand is an estimate of all people who usually live in that area at a given date. It includes all residents present in New Zealand and counted by the census, residents who are temporarily elsewhere in New Zealand and counted by the census, residents who are temporarily overseas (who are not included in the census), and an adjustment for residents missed or counted more than once by the census (net census undercount). Visitors from elsewhere in New Zealand and from overseas are excluded. Population estimates by SA1s are used as an input to derive population grids. These estimates are not official statistics. They’re derived as a customised dataset used to produce the experimental population grids. The population have been rounded to the nearest 10.

License

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

Attachments
1. ANZLIC Metadata 2022 ERP 1km.pdf 215 KB pdf
Information
Category Grids
Tags Downloadable Data, Grids, Grid 1 kilometre
Regions New Zealand
Metadata ISO 19115/19139, Dublin Core
Technical Details
Layer ID 110654
Data type Vector multipolygon
Feature count 55037
Attributes ERP, Shape_Length
Services Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W)
History
Added 11 Oct 2022
Revisions 5 - Browse all revisions
Current revision Imported on Oct. 11, 2022 from Geodatabase in NZGD2000 / New Zealand Transverse Mercator 2000.

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