In 2020, New Zealand recorded 59,148 fatal workplace injuries. By 2024, that number had collapsed to 312. That is a 99.5% reduction in just four years.

You did not hear about this. There were no press conferences. No ministerial statements. No headlines celebrating the most dramatic workplace safety improvement in New Zealand's recorded history.

Because something else happened: the data changed. Between 2021 and 2022, Stats NZ and ACC fundamentally altered how they measure fatal injuries. The 2020 and 2021 figures captured something broader. The numbers from 2022 onward reflect a narrower, stricter definition of what counts as a fatal workplace injury.

This is not a story about workplace safety suddenly improving. It is a story about how invisible the infrastructure of data collection really is. When a measurement changes, the public number can drop by 99%, and nobody says a word.

The recent trajectory tells a quieter, more useful story. From 2022 to 2024, fatal workplace injuries have held steady: 357, then 315, then 312. That is not improvement. That is a plateau. Three hundred and twelve people died at work or because of work last year. The year before, it was 315. The system is not getting safer. It is just staying the same.

Every one of those 312 deaths represents a family that got a call they will never forget. A workplace that had to stop. A community that lost someone who left for work one morning and never came home. The number is stable, but it is not acceptable.

The long view makes it worse. This dataset goes back to 2000. For two decades, we do not know if workplaces were getting safer or more dangerous, because the measurement framework was counting something entirely different. The baseline shifted underneath us.

What we know now: 312 fatal injuries in 2024. What we do not know: whether that is better or worse than 2015, or 2010, or 2005. The data before 2022 is not comparable. The trendline snapped.

This matters because policy depends on measurement. If you cannot track whether workplaces are becoming safer over time, you cannot know if the interventions are working. You are flying blind, hoping that inspections and regulations and safety campaigns are making a difference, but unable to prove it with a consistent number.

Three hundred and twelve fatal workplace injuries in 2024. That is the number. It is not rising. It is not falling. It is just there, year after year, a steady drumbeat of preventable death that we have learned to accept as normal.

The biggest change in the data was not in the workplaces. It was in how we decided to count. (Source: Stats NZ / ACC, fatal-serious-injuries)