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District health board (DHB) boundaries are defined by the Ministry of Health and are defined at meshblock level using the Stats NZ meshblock geography. They commenced on 1 January 2001 but ceased to exist on 30 June 2022.
From 1 July 2022, Te Whatu Ora/Health New Zealand (https://www.tewhatuora.govt.nz/) has taken over responsibility for planning and commissioning hospital, primary and community health services.
District Health Boards are responsible for providing or buying Government funded health care services for the population of a specific geographical area. District Health Boards have existed since 1 January 2001. The amalgamation of Otago and Southland into the Southern District Health Board in 2010 reduced the number of District Health Boards from 21 to 20 (excluding 'Area outside District Health Board')
District Health Boards are defined at meshblock level.
Changes to District Health Boards:
Otago and Southland amalgamated to form the Southern District Health Board in 2010.
Chatham Islands Territory meshblocks transferred from Hawke's Bay District Health Board to Canterbury District Health Board in 2015.
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Dataset for the maps accompanying the Housing in Aotearoa New Zealand: 2025 report. This dataset contains data for severe housing deprivation from the 2018 and 2023 Censuses.
Data is available by health district.
Severe housing deprivation has data for the census usually resident population from the 2018 and 2023 Censuses, including:
Map shows the estimated prevalence rate of severe housing deprivation (per 10,000 people) for the census usually resident population for the 2023 Census.
Download lookup file from Stats NZ ArcGIS Online or embedded attachment in Stats NZ geographic data service. Download data table (excluding the geometry column for CSV files) using the instructions in the Koordinates help guide.
Footnotes
Geographical boundaries
Statistical standard for geographic areas 2023 (updated December 2023) has information about geographic boundaries as of 1 January 2023. Address data from 2013 and 2018 Censuses was updated to be consistent with the 2023 areas. Due to the changes in area boundaries and coding methodologies, 2013 and 2018 counts published in 2023 may be slightly different to those published in 2013 or 2018.
Subnational census usually resident population
The census usually resident population count of an area (subnational count) is a count of all people who usually live in that area and were present in New Zealand on census night. It excludes visitors from overseas, visitors from elsewhere in New Zealand, and residents temporarily overseas on census night. For example, a person who usually lives in Christchurch city and is visiting Wellington city on census night will be included in the census usually resident population count of Christchurch city.
Population counts
Stats NZ publishes a number of different population counts, each using a different definition and methodology. Population statistics – user guide has more information about different counts.
Caution using time series
Time series data should be interpreted with care due to changes in census methodology and differences in response rates between censuses. The 2023 and 2018 Censuses used a combined census methodology (using census responses and administrative data), while the 2013 Census used a full-field enumeration methodology (with no use of administrative data).
Severe housing deprivation time series
The 2018 estimates of severe housing deprivation have been updated using the 2023 methodology for estimating severe housing deprivation. Severe housing deprivation (homelessness) estimates – updated methodology: 2023 Census has more information.
Severe housing deprivation
Figures in this map and geospatial file exclude Women’s refuge data, as well as estimates for children living in non-private dwellings. Severe housing deprivation (homelessness) estimates – updated methodology: 2023 Census has more information.
About the 2023 Census dataset
For information on the 2023 Census dataset see Using a combined census model for the 2023 Census. We combined data from the census forms with administrative data to create the 2023 Census dataset, which meets Stats NZ's quality criteria for population structure information. We added real data about real people to the dataset where we were confident the people who hadn’t completed a census form (which is known as admin enumeration) will be counted. We also used data from the 2018 and 2013 Censuses, administrative data sources, and statistical imputation methods to fill in some missing characteristics of people and dwellings.
Data quality
The quality of data in the 2023 Census is assessed using the quality rating scale and the quality assurance framework to determine whether data is fit for purpose and suitable for release. Data quality assurance in the 2023 Census has more information.
Quality rating of a variable
The quality rating of a variable provides an overall evaluation of data quality for that variable, usually at the highest levels of classification. The quality ratings shown are for the 2023 Census unless stated. There is variability in the quality of data at smaller geographies. Data quality may also vary between censuses, for subpopulations, or when cross tabulated with other variables or at lower levels of the classification. Data quality ratings for 2023 Census variables has more information on quality ratings by variable.
Census usually resident population count concept quality rating
The census usually resident population count is rated as very high quality.
Census usually resident population count – 2023 Census: Information by concept has more information, for example, definitions and data quality.
Quality of severe housing deprivation data
Severe housing deprivation (homelessness) estimates – updated methodology: 2023 Census has more information on the data quality of this variable.
Using data for good
Stats NZ expects that, when working with census data, it is done so with a positive purpose, as outlined in the Māori Data Governance Model (Data Iwi Leaders Group, 2023). This model states that "data should support transformative outcomes and should uplift and strengthen our relationships with each other and with our environments. The avoidance of harm is the minimum expectation for data use. Māori data should also contribute to iwi and hapū tino rangatiratanga”.
Confidentiality
The 2023 Census confidentiality rules have been applied to 2013, 2018, and 2023 data. These rules protect the confidentiality of individuals, families, households, dwellings, and undertakings in 2023 Census data. Counts are calculated using fixed random rounding to base 3 (FRR3) and suppression of ‘sensitive’ counts less than six, where tables report multiple geographic variables and/or small populations. Individual figures may not always sum to stated totals. Applying confidentiality rules to 2023 Census data and summary of changes since 2018 and 2013 Censuses has more information about 2023 Census confidentiality rules.
Inconsistencies in definitions
Please note that there may be differences in definitions between census classifications and those used for other data collections.
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https://datafinder.stats.govt.nz/license/attribution-4-0-international/https://datafinder.stats.govt.nz/license/attribution-4-0-international/
District health board (DHB) boundaries are defined by the Ministry of Health and are defined at meshblock level using the Stats NZ meshblock geography. They commenced on 1 January 2001 but ceased to exist on 30 June 2022.
From 1 July 2022, Te Whatu Ora/Health New Zealand (https://www.tewhatuora.govt.nz/) has taken over responsibility for planning and commissioning hospital, primary and community health services.
District Health Boards are responsible for providing or buying Government funded health care services for the population of a specific geographical area. District Health Boards have existed since 1 January 2001. The amalgamation of Otago and Southland into the Southern District Health Board in 2010 reduced the number of District Health Boards from 21 to 20 (excluding 'Area outside District Health Board')
District Health Boards are defined at meshblock level.
Changes to District Health Boards:
Otago and Southland amalgamated to form the Southern District Health Board in 2010.
Chatham Islands Territory meshblocks transferred from Hawke's Bay District Health Board to Canterbury District Health Board in 2015.