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Age distribution of people residing in the South Wairarapa District, New Zealand

2023 Census, % of people

Data Quality

Using this data

You can use this data confidently. Stats NZ rated it as very high quality. For more information, read about response rates below.

Stats NZ gives data an overall rating based on sources and coverage, consistency, and data quality.

Why am I seeing this?

This data is from the Census. The past two censuses had relatively low response rates, particularly for some areas of New Zealand and groups of people.

Where information was missing or unreadable, Stats NZ attempted to use data from a range of places such as previous censuses or administrative data that is collected by other government agencies. If that isn't available, Stats NZ use statistical models to predict what the missing data would have been. This is called imputation.