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NZ Statistics: Statistics for Research

Find statistical information and data from historic to current, using databases, online data sources and publications



NZ.Stat  allows you to:


  • create and customise variables in tables, from a wide range of large datasets
  • select multiple variables in one click, especially in a particular level
  • download larger volumes of data (up to 100,000 cells in Excel, and 1,000,000 in CSV format)
  • find data by browsing themes, or search for items
  • view metadata alongside the table (rather than in a separate window)
  • data is available from national to regional and territorial level, and often down to area unit level. For meshblock data you will need a customised data request or microdata request

NZ.Stat is powered by software provided by the OECD, which is also used by other statistical agencies around the world.

Phone 0508525525 Mon-Fri for Information Desk support. 

Statistics for Universities

NZ universities' research staff and student need access to specialised statistical products:

  • Confidentialised Unit Record Files (CURFs) - are New Zealand unit record data, modified to protect the confidentiality of respondents while maintaining the integrity of the data. Researchers in Christchurch and Wellington should contact their respective Medical Librarian to discuss access to CURF data. Researchers in Dunedin should contact Topics include:
    • Household Labour Force Survey
    • NZ General Social Survey
    • NZ Health Survey
    • NZ Oral Health Survey
    • 2013 Census...

MICRODATA COSTS REDUCED since 1 July 2014 - CURFs are free!

SURFs - synthetic unit-record files (SURF) containing a number of records and variables, based on Statistics New Zealand surveys. These mimic the statistical properties of real microdata.

Customised data - A set allocation of pre-paid hours for customised data may be available to you for specific university research purposes. This applies to all datasets produced by Statistics NZ for which customised tables can be prepared.

Please submit your request for customised data to, our Library Research Support Unit, or call the Statistics NZ Information Desk on 0508 525 525 to discuss your needs.

Classification Coding System

The Classification Coding System (CCS) provides:

  • a system for coding geographic address and standard classifications
  • a stand-alone and LAN/Network coding tool
  • an automatic coding function (which can be done using a delimited text file)
  • a stand-alone capability
  • a way of writing output to MS Access or MS Excel.

Aria is the new online, concept and classification management tool. Find and download concepts, classifications, concordances, and standards, or download this 27.9MB tool, which was developed by Statistics NZ.

Integrated Data Infrastructure (IDI)

Statistics NZ’s Integrated Data Infrastructure (IDI) is a linked longitudinal research dataset about people and households, from government agencies, Statistics NZ surveys, and non-governmental organisations. The IDI allows for policy evaluation and research analysis, and the production of statistical outputs on the transitions and outcomes of people.

Better data, better lives (4.18 min video)

How researchers are using the IDI

IDI currently sources data from: 

  • Accident Compensation Corporation – injury claims data
  • Department of Corrections – Sentencing and remand data
  • Department of Internal Affairs - life event data, 
  • Housing NZ Corporation - Social housing data
  • Inland Revenue – person and business tax data, Student Loans and Allowances data, Working for Families, 
  • Ministry of Business, Innovation and Employment – immigration data, migrant survey data, tenancy bond data
  • New Zealand Customs Service – departure and arrival cards data
  • Ministry of Education – primary and secondary schools data, tertiary education data, industry training education, targeted training
  • Ministry of Health - B4 school check, Cancer registrations, Chronic condition/significant health event cohort, General Medical Subsidy claims, Health Tracker, Laboratory claims, Mortality Data, National Immunisation Register, Pharmaceutical data ...
  • Ministry of Justice – Court charges data
  • Ministry of Police - Recorded crime offenders, Recorded crime victims
  • Ministry of Social Development – Children's Action Plan, Youth services data, Benefits dynamic data, Student Loans and Allowances data
  • New Zealand Transport Agency - Drivers licences and motor vehicles, 
  • Statistics NZ - Census data, International travel and migration data, Household Economic Survey data, Household Labour Force Survey data, Longitudinal Immigration Survey of New Zealand data, Longitudinal Business Database data, New Zealand Income Survey data, Survey of Family Income and Employment data

Contact for further information on data location, security, privacy and confidentiality. Since 1 July 2014 data access costs have been reduced and new remote access locations set up.

Access our microdata - in the Data Lab or remotely - outlines the application process and costs for microdata access.




Infoshare provides free online access to a wide range of time series data from Statistics New Zealand.

Access, view, and download the most up-to-date official NZ statistics such as:

  • economic information (e.g. price indexes and production figures)
  • demographic measures (e.g. births and deaths)
  • arrival and departure data
  • wholesale and retail trade information
  • exports and imports data
  • building consents data.

Data for Business

 Boost your small business with Data for business:

  • know your customers
  • compare your industry

Use the Market Mapper to:

  • locate your market by age, sex, income, household, or family type
  • zoom in on regions, areas, and suburbs.

Use the Industry Profiler to:

  • get stats on small businesses by industry and region
  • compare numbers of new businesses, worker turnover, survival rates, and average earnings for staff.

Use the Industry Benchmarks link to Inland Revenue’s website to:

  • compare your financial performance against similar firms in your industry and identify areas where you may differ
  • find information to help you make decisions for improving your business performance.    

Geographic Boundary Viewer

Geographic Boundary Viewer show facts about geographic areas in New Zealand, including the number of people and households. This free web-based tool shows the boundaries used for the 2006, or 2013 Census, including the regions, towns or cities, area units, and meshblocks. 

Search by street address or area.

Whether you are a home owner, lawyer, surveyor, or interested in land data sources, also visit Land Information NZ (LINZ).