In 2000, 2.9 million New Zealanders earned taxable income. Last year, that figure passed 4.1 million for the first time. It took 24 years to add 1.2 million income earners to the country's books.

That sounds like steady growth. It wasn't.

The first decade moved quickly. By 2010, New Zealand had added 600,000 income earners, reaching 3.5 million. Then everything stalled. Between 2010 and 2020, the country added just 300,000 more, despite a population that kept growing. The economy was creating jobs, but not at the pace it once had.

Then COVID-19 hit, and the pattern broke completely. In 2020, the country recorded 3.8 million income earners. The next year, that number fell. Slightly, but unmistakably. For the first time in two decades, fewer Kiwis earned taxable income than the year before.

The drop wasn't dramatic. Just 4,500 people. But in a dataset that had climbed every year since the turn of the century, it stood out. Borders closed, industries froze, and for one year, the upward march stopped.

2022 brought the recovery. Income earners climbed back to 3.85 million. Then 3.97 million in 2023. Then 4.09 million last year, the biggest single-year jump since the dataset began. New Zealand added 125,000 income earners in 2024 alone.

That's a faster pace than any year in the past decade. Faster than the boom years before the global financial crisis. Faster than the rebuild years that followed. The question is what changed.

Part of it is borders reopening. Migrant workers returned, filling roles that sat empty through the pandemic. Part of it is people who'd stepped back from work during lockdowns coming back. Part of it is younger Kiwis hitting working age in larger cohorts than the years before.

But here's what the numbers make clear: the 2020s are not following the 2010s. That slow, grinding decade of minimal growth is over. The country is adding income earners at a rate it hasn't seen since the 2000s. Whether that's sustainable, or simply a correction after two years of disruption, will become clearer when the 2025 figures arrive.

For now, New Zealand has crossed a threshold it's never crossed before. Four million people earning taxable income. It took a quarter-century to get here, and the last four years did more to move that number than the ten years before them.

(Source: Stats NZ, taxable-income-sources)