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Experience of the trades workforce
Introduction

Experience is a key measure of skill of a workforce. We track how long workers have been working in their sectors in the 10 years leading up to each to begin found in the workforce.

In general employees are less experienced than self-employed workers with average experiences of 4.7 and 6.7 years respectively.

Since 2011 there has been growth in trades workforces seeing an influx of new workers with no experience resulting in a drop in the average experience of the workforce. This is despite the number of workers with 9+ years experience increasing by 36% of the 2011 to 2018 period.

Snapshot

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Methodology

From workers found in IRD tax records who work at least three months in a year we determine the experience these workers have had in their sector in the 10 years prior to their work date.

For self-employed workers we can usually only see income on a yearly basis, thus employment defined in 12 month blocks meaning few are found with 0 years (0 - 11 months) experience.

Note that self-employed tax records are not complete yet for 2018.

Over time

The average experience of the workforce has lowered since 2011. This is caused by the growth in trades sectors seeing an influx of new workers with no experience. While the number of workers with 9+ years of experience has grown from 38,000 in 2011 to 52,000 in 2018 the number of workers with 0 - 1 years experience has over shadowed this growing from 44,000 workers in 2011 to 79,000 to 35,000.

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Methodology

From workers found in IRD tax records who work at least three months in a year we determine the experience these workers have had in their sector in the 10 years prior to their work date.

For self-employed workers we can usually only see income on a yearly basis, thus employment defined in 12 month blocks meaning few are found with 0 years (0 - 11 months) experience.

Note that self-employed tax records are not complete for 2018.