Everyone talks about the cost-of-living crisis forcing Kiwis to work harder. But here's the number that shows how much harder: people in their early 40s now manage 2.9 million taxable income sources between them.

That's not a typo. For every New Zealander aged 40-44, there are now more than eight separate income sources showing up in the tax system. Four years ago, it was fewer than seven and a half.

Think about what that actually means. Your average Kiwi in their early 40s isn't just working one job anymore. They're patching together income from multiple places: a main salary, rental property, a side gig, investment returns, maybe contract work on weekends. The tax data captures every single source that pays them.

This isn't the story of a booming gig economy. It's the story of a generation that came of age expecting one career, one income, one path to security. Instead, they're 40-something and diversifying like a hedge fund manager.

The trajectory tells you everything. In 2020, this age group held 2.57 million income sources. By 2024, that jumped to 2.89 million. That's 320,000 additional income streams in just four years, while the population in this bracket grew by only a fraction of that.

Here's what changed: if you're 40-44 right now, you were 35-39 when COVID hit. You watched industries collapse, then scramble back differently. You saw inflation eat your salary gains. You learned that relying on one employer, one income source, one plan feels riskier than it used to.

So you started a rental. Took freelance work. Opened an online store. Put money in dividend stocks. Not because you're ambitious. Because you're 40 and suddenly unsure that your main job will carry you through.

This is what economic instability looks like in the data. Not mass unemployment. Not a recession headline. Just millions of quiet decisions by people in their peak earning years to find backup plans.

The tax system sees it all. Every Airbnb booking, every contracting gig, every rental cheque, every investment payout. And what it shows is a generation that has fundamentally changed how they earn.

Your parents probably had one or two income sources at 42. You have eight. That's not progress. That's insurance. (Source: Stats NZ, taxable-income-sources)