Last year, New Zealand's justice system handed down thousands of community sentences. Supervision orders. Community work. Home detention. But for 5,610 of those sentences, courts recorded them under a category that translates to: we don't actually know what happened here.

The label is bureaucratic. 'Inadequate data available.' But the number behind it tells a story about a system losing its grip on basic record-keeping. In 2019, just 90 community sentences fell into this data black hole. By 2022, it was 1,977. Now it's 5,610. (Source: Stats NZ, community-sentences)

That's not a rounding error. That's a fundamental breakdown in tracking what courts are actually ordering offenders to do.

Community sentences are meant to be alternatives to prison. They're supposed to keep people in the community while holding them accountable. But if the justice system can't reliably track what kind of sentence was imposed, how does it track compliance? How does it measure whether these sentences work?

The contrast is sharp. On one hand, New Zealand has spent years investing in digital court systems, case management software, and data-driven justice reform. On the other hand, we're now missing basic information on more than 5,000 sentences a year.

This isn't about a few missing forms. The trajectory shows a system under strain. Between 2018 and 2020, the 'inadequate data' category stayed stable at around 100 cases a year. Then something changed. By 2022, it had jumped twentyfold. Two years later, it nearly tripled again.

What changed? Courts faced pandemic backlogs. Staff shortages hit administrative roles hardest. Digital systems got rolled out unevenly across regions. And the volume of community sentences kept climbing while the infrastructure to track them didn't keep pace.

You can't manage what you don't measure. And right now, New Zealand is failing to measure a growing chunk of its own justice system. When politicians debate whether community sentences are too soft or too harsh, they're arguing over incomplete information. When researchers try to assess recidivism rates or sentence effectiveness, there's a 5,610-case gap in the dataset.

The public assumes the justice system knows what it's doing with every sentence it hands down. The data says otherwise. And the gap is widening.