When Fiverr published its 2025 workforce report under the title “Single-Paycheck Panic,” the name landed because it described something millions of young workers already felt. A September 2025 Harris Poll cited by Nature found that 57% of working Gen Z adults now earn money outside their primary job, the highest rate the polling firm has ever recorded for this age group. Fiverr’s own survey pushed the number further: 67% of Gen Z workers said income stacking, the practice of layering freelance gigs, e-commerce sales, or contract work on top of a full-time position, is essential for financial security.
The gap between those two figures is telling. More young workers believe they need multiple income streams than currently have them, which means the behavior has room to expand. One survey captures what Gen Z is doing. The other captures what Gen Z thinks survival requires. Both point away from the single-employer career model that shaped their parents’ working lives.
A record that needs context
The “record high” label rests on the Harris Poll’s own tracking history rather than a decades-long longitudinal study comparing side-income rates across generations at the same age. Millennials patched together gig work after the 2008 financial crisis, too. Without a controlled, apples-to-apples comparison, the record means the highest rate this particular poll has measured, not a definitive historical benchmark.
Still, the scale is hard to dismiss. Bureau of Labor Statistics data show that the formal multiple-jobholder rate for workers aged 16 to 24 hovered between 4% and 5% for most of the 2010s. That metric counts only people holding two or more W-2 positions simultaneously. The Harris Poll’s broader definition, which folds in freelance clients, Etsy shops, content monetization, and gig-platform driving, explains the much larger number. The two figures are not directly comparable, but the direction is unmistakable: young workers are assembling income from more sources than any recent cohort at the same career stage.
AI layoffs are adding fuel
Neither survey isolates a single cause for the surge. But the timeline is hard to ignore. Since early 2024, companies across technology, media, finance, and customer service have announced workforce reductions explicitly tied to automation and generative AI. The tracking site Layoffs.fyi logged more than 150,000 tech-sector job cuts in 2024, and outplacement firm Challenger, Gray & Christmas has reported that employers increasingly cite AI-driven restructuring when disclosing layoffs.
Those cuts have spilled well beyond Silicon Valley. Insurance companies are automating claims processing. Media organizations are replacing entry-level writing and research roles with AI tools. Financial firms are shrinking analyst teams as large language models absorb data-synthesis work. “Every time I see another headline about a company replacing junior roles with AI, I think about what happens if my position is next,” said one 24-year-old Denver-based marketing professional who freelances for three copywriting clients after hours and sells vintage furniture online. She asked to be identified only by her age and city. “Stacking income is how I sleep at night.”
Pinning the entire wave on AI would overstate the evidence, though. Housing costs, student loan burdens, and a social-media culture that glamorizes entrepreneurship all play roles. The most honest reading: AI-related job insecurity is one accelerant among several, and probably the newest and fastest-growing one.
What income stacking actually looks like
The Harris Poll and Fiverr summaries do not break down the specific types of side work Gen Z gravitates toward, but platform data fill in some of the picture. Fiverr and Upwork have both reported year-over-year growth in sign-ups from users under 28. Etsy noted a surge in shops run by Gen Z sellers in its 2025 creator data. Gig platforms from DoorDash to Instacart continue to draw young workers who prize schedule flexibility over predictable hours.
The variety matters because not all side income carries the same long-term value. A Gen Z software developer freelancing on contract projects builds a portfolio and a professional network. A Gen Z retail worker driving rideshare 15 hours a week earns immediate cash but accumulates little career capital. Both count equally in the 57% statistic. Their five-year trajectories look nothing alike.
The costs no one is tracking yet
Economists and labor researchers have not yet published peer-reviewed work on whether income stacking improves or worsens long-term financial outcomes for this generation. The potential downsides are concrete. A young worker splitting energy across three revenue streams may earn more now but miss out on promotions, employer-matched retirement contributions, and benefits that compound over a full career. Burnout is a risk that workforce surveys have only started to measure, and tax complexity rises sharply once 1099 income enters the picture: quarterly estimated payments, self-employment tax, and recordkeeping requirements that many first-time freelancers underestimate.
There is also a sustainability question. Side hustles built on gig platforms are subject to algorithmic changes, fee hikes, and market saturation. Content creation, one of the most aspirational forms of income stacking, follows a power-law distribution where a small number of creators capture most of the revenue. For the majority, the hours may not justify the returns.
On the other hand, diversified income functions as a personal safety net in an economy where layoffs arrive with little warning. Workers who have already built a freelance client base or an e-commerce storefront are not starting from zero if their primary job disappears. That optionality has real value, even if it never shows up on a balance sheet.
Weighing the sources
The two core datasets deserve different levels of trust. The Harris Poll is an independent firm with decades of experience in economic and political survey research; its 57% figure carries strong credibility. The Fiverr report, while useful, comes from a company whose revenue grows when more people freelance. That commercial interest does not invalidate the 67% finding, but it means the data should be read as industry research, not independent academic work.
Where this leaves a generation that refuses to depend on one paycheck
What the data do support clearly is this: side income has become a mainstream feature of Gen Z working life, and a strong majority of this cohort treats multiple revenue streams as a requirement, not a bonus. As of mid-2026, the unresolved questions are significant. Will the pattern hold as this generation ages into higher-earning career stages? Does juggling three income sources at 25 build resilience or erode the deep-skill development that drives earnings at 35? And how much of the behavior traces to AI-driven disruption versus the broader mix of economic and cultural pressures reshaping work for everyone under 30?
No survey has answered those questions yet. But 57% of working Gen Z has already made a bet: waiting for answers is a luxury they cannot afford.
Warren Cohen is a finance writer based in Phoenix, Arizona, covering personal finance topics including credit, banking, and beginner investing. He earned his degree in business administration from Arizona State University and began his career working in consumer finance, where he gained direct experience with lending and credit systems. He now writes for personal finance websites and fintech platforms, focusing on clear, practical content that helps readers make informed financial decisions.
