Pre-apprenticeship time with employer over time

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From ministry of education records we take all apprentices starting with BCITO, Competenz and Skills Org each year. These apprentices are linked to their IRD tax records and their employer at the time of starting their apprenticeship is identified. To ensure we are identifying the correct employer associated with apprenticeship training we limit employers to those with at least three months of continuous employment of the apprentice after their start date. We then identify how long apprentices work for these employers prior to the official start date of their apprenticeship.


Access to the data used in this study was provided by Stats NZ under conditions designed to give effect to the security and confidentiality provisions of the Data and Statistics Act 2022. The results presented in this study are the work of the author, not Stats NZ or individual data suppliers.

These results are not official statistics. They have been created for research purposes from the Integrated Data Infrastructure (IDI) which is carefully managed by Stats NZ. For more information about the IDI please visit

The results are based in part on tax data supplied by Inland Revenue to Stats NZ under the Tax Administration Act 1994 for statistical purposes. Any discussion of data limitations or weaknesses is in the context of using the IDI for statistical purposes, and is not related to the data's ability to support Inland Revenue's core operational requirements.


Pre-apprenticeship time with employer

Investigate how long apprentices work for their employer before starting training