Everyone knows ACC exists. It's part of the furniture of being a Kiwi. You fall off a ladder, you get covered. You hurt your back at work, ACC sorts it.

But here's what most people don't realise: 1.1 million New Zealanders received ACC compensation payments in 2024. That's more than the entire population of Auckland. That's one in every five people in this country getting money because they were injured badly enough to need it. (Source: Stats NZ, taxable-income-sources)

Four years ago, in 2020, that number was 882,207. By last year, it had jumped to 1,033,626. Now it's 1,109,058. That's an increase of 227,000 people in four years. We're adding roughly one Tauranga's worth of injured people to the ACC rolls every presidential term.

This isn't just about workplace accidents, though those are part of it. ACC covers everything: the rugby player who blows out a knee, the office worker with chronic back pain, the cyclist hit by a car, the pensioner who falls and breaks a hip. Every one of those 1.1 million people represents a moment when life went sideways and ACC stepped in.

The growth is relentless. Since 2000, when the scheme covered just over half a million people, the number has doubled. Some of that is population growth. New Zealand had 3.8 million people in 2000; we have 5.3 million now. But the ACC claimant rate has grown faster than the population. We're not just bigger. We're getting hurt more often, or more seriously, or for longer.

What's driving it? The data doesn't say, but the options aren't comforting. Maybe our workplaces are more dangerous. Maybe we're ageing, and older bodies break more easily. Maybe we're better at claiming what we're entitled to. Maybe it's all three.

Either way, this is expensive. ACC is funded by levies on workers, employers, and motorists. More claimants means higher costs, and higher costs eventually mean higher levies. Every one of those 1.1 million people is being supported by the rest of us.

The uncomfortable truth: one in five Kiwis now relies on ACC compensation at some point each year. That's not an edge case. That's not a small vulnerable group. That's a massive chunk of the country living with injuries serious enough to require income support.

ACC works. It's one of the things New Zealand does well. But when one in five of us needs it in a single year, it's worth asking: how did we get here, and where does this trajectory end?