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The Rise of the Double Job: Who’s Working Twice?
Why millions around the world are juggling two jobs just to get by.
Philip Saparov
October 28, 2025
In partnership with
Greetings, seeker of global truths and hidden forces,
All around the world, a second job is no longer a choice—it’s survival.
This week, we uncover the rise of the invisible workforce: millions juggling multiple incomes just to stay afloat. From gig apps in Tokyo to seniors clocking in across Florida, this isn’t a trend—it’s a signal.
What’s driving this surge? Where is it most intense? And what does it mean for your future—where you live, invest, or retire?
Let’s find out.
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What once was a quirky millennial trend—“having a side hustle”—has morphed into an economic necessity for millions of Americans.
More than 8 million U.S. workers now juggle two jobs, with part-time work often filling the income gap from underpaying full-time roles. The reasons? Wages that haven't kept pace with inflation, skyrocketing healthcare costs, and a housing market out of reach for many.
States with the highest rates of multiple jobholders include Vermont, South Dakota, and Nebraska—places often perceived as affordable, yet where wages lag behind rising living expenses.
One standout trend: Older workers (65+) are among the fastest-growing dual earners, driven not by choice but by retirement shortfalls and rising medical costs.
🔍 Surprising shift: Among Gen Z workers, nearly 70% say they expect to maintain at least two sources of income throughout their careers—not for passion, but for security.
In a culture long known for lifetime employment and loyalty to a single company, Japan is quietly shifting. The gig economy is taking hold, and with it, a rising number of niju shugyo—workers holding more than one job.
Spurred by stagnant wages, corporate deregulation, and a government push to revitalize its aging economy, more Japanese workers—especially women and older men—are picking up second roles as delivery drivers, tutors, or online freelancers.
Even Japan’s labor ministry now encourages dual employment, a reversal of decades-old policy.
🔍 Unexpected insight: Over 50% of Japanese workers who take second jobs say it's not just for money—but to escape the rigidity of their primary jobs and find personal fulfillment.
Europe may be known for its generous worker protections, but the dual-income trend is spreading even across the continent’s most stable economies.
In the Netherlands, nearly 10% of workers hold multiple jobs—among the highest rates in Europe. In Germany and France, part-time freelancing is increasingly common among professionals who can’t rely on a single salary to maintain urban lifestyles.
While younger workers drive this trend, even experienced professionals in tech, education, and healthcare are picking up side projects to stay afloat.
🔍 Hidden trend: “Platform work” has surged 60% across the EU in just five years, raising questions about protections, pensions, and burnout.
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Across Sub-Saharan Africa, working multiple jobs isn’t new—but it’s evolving. Gig platforms, mobile payments, and digital services are transforming how income is earned and tracked.
In Kenya, nearly 80% of working adults have more than one income stream. They might farm by day and sell online by night, often using mobile money platforms like M-Pesa to transact in informal markets.
In Nigeria, young professionals often hold a government job while running a digital side business. What was once a survival strategy has become a cultural norm of economic resilience.
🔍 Fascinating stat: Africa leads the world in mobile-based gig work, with over 60% of freelancers operating via smartphone-only platforms.
South Korea’s famously intense work culture has found a new gear: multi-income living is now common among young adults navigating the intersection of student debt, real estate pressure, and corporate fatigue.
Roughly 6% of Korean workers now take on second jobs, often online—streaming, tutoring, or reselling. Many pursue second incomes after hours, often working well into the night.
Once frowned upon, this lifestyle is now quietly endorsed by the government to encourage economic resilience.
🔍 Stunning detail: Among South Koreans under 30, nearly 1 in 4 earns money via platforms like YouTube, Coupang, or TikTok—monetizing skills and hobbies for extra income.
In much of Latin America, informality isn’t the exception—it’s the system. Dual-job living often combines formal employment with street vending, delivery services, or online commerce.
In Mexico, 23% of workers report a secondary income source, while in Argentina, even teachers and civil servants run side businesses. Brazil’s gig economy continues to grow, especially among ride-share drivers and online service workers.
Inflation, job insecurity, and underemployment are the main drivers—yet the region’s entrepreneurial spirit remains unshaken.
🔍 Little-known insight: Across the region, women lead in multi-income households—often balancing caregiving, jobs, and microenterprises simultaneously.
Retirement isn’t what it used to be. Around the world, older adults are turning to flexible side gigs—not just for money, but for meaning.
In the U.S., nearly 20% of retirees report part-time income. In the UK and Australia, “semi-retirement” is now a popular life stage—where pensioners consult, teach, or drive Uber to stay financially stable and socially engaged.
What’s striking is how many older workers are now digital freelancers, leveraging decades of expertise in new ways.
🔍 Powerful takeaway: By 2025, retirees with side hustles will contribute over $1.2 trillion to the global economy—a silent force reshaping markets and policy alike.
From Seoul to São Paulo, the one-job life is fading fast. In its place? A global surge of people quietly working double time—out of need, strategy, or sheer will.
This invisible workforce isn’t a footnote—it’s the new foundation of modern economies. And whether you're planning a move, an investment, or a life redesign, knowing where side incomes thrive could be your edge.
The double-shift era is here. Spot the signal early—act wisely, live freely.
Warm regards,
Shane Fulmer
Founder, WorldPopulationReview.com
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