Business in the trade sectors by maturity over time

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Maturity is calculated as the number of years in business in the ten years prior to the specific year.

We identify business from IRD records and calculate the number of employees each business employees based on individual IRD taxs records attached to each business.

Employees are required to earn at least 3 months of wages above a minimum wage equivalent of working 40 hours a week in each month.


Access to the anonymised data used in this study was provided by Statistics New Zealand in accordance with security and confidentiality provisions of the Statistics Act 1975, and secrecy provisions of the Tax Administration Act 1994. The findings are not Official Statistics. The results in this paper are the work of the authors, not Statistics NZ, and have been confidentialised to protect individuals, households, businesses, and other organisations from identification. Read our full disclaimer here.


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