Socialism in America is enjoying a moment few would have predicted a generation ago. Democratic socialists now govern major cities, public opinion has shifted dramatically in their favor, and the movement feels, to its supporters, like a revolution gathering momentum. Yet beneath the optimism lies a stubborn problem: the hard math of running a city may prove far less forgiving than the campaign trail.

A Surprising Comeback

For aging Gen Xers who once believed socialism had been permanently discredited by the fall of the Berlin Wall, the current political landscape is a humbling surprise. Democratic socialists now lead Seattle and New York City, and Washington, D.C., appears poised to join them after Janeese Lewis George won the Democratic primary that typically decides the district’s mayoral race.

The numbers help explain the shift. According to Gallup, 66 percent of Democrats now view socialism favorably, compared with just 42 percent who say the same about capitalism. Socialism’s once-toxic brand has recovered from the vivid failures of the Soviet era, and the movement now offers something the center-left struggles to match: a bold, disruptive break from a status quo many voters find deeply unsatisfying.

A Movement Concentrated in Blue Cities

But socialism’s resurgence is uneven. Its strength is heavily concentrated in progressive cities where affluent — though often downwardly mobile — college graduates cluster together.

This creates a double-edged dilemma:

• For the Democratic Party, the excesses of progressive governance risk poisoning the party’s brand in less reliably liberal areas.
• For socialists themselves, cities turn out to be the hardest possible place to enact sweeping plans for new taxes and spending.

The irony is sharp. The very places where socialism thrives politically are also where its boldest ambitions are most likely to run aground.

The Boom That Masked the Problem

For much of the past decade, these tensions were easy to overlook. During the urban boom, city budgets swelled as young, affluent residents poured in, displacing older and needier populations. Services were easier to fund, and coffers overflowed.

That era has faded. The boom has weakened considerably, especially in D.C., where the population still sits below its pre-pandemic peak. Without the surging demand once driven by an oversized millennial generation, mayors are rediscovering an uncomfortable truth about governing cities.

Why Cities Are Uniquely Constrained

The core challenge is mobility. It is far easier to leave a city than to leave a state or a country, which means a city’s tax base is inherently fragile and its room for aggressive business regulation is limited.

This has always been the case, but the rise of remote work has intensified it. When proximity to a downtown office no longer carries the value it once did, residents and businesses have even less reason to stay put if taxes climb too high. The leverage that once kept people anchored to city centers has weakened.

The Limits of “Tax the Rich”

The rallying cry of taxing the wealthy sounds appealing — until those wealthy residents simply pack up and leave.

Consider the numbers. New York City already draws roughly a third of its income tax revenue from “millionaire filers,” who can face a combined state, local, and federal marginal rate exceeding 50 percent. D.C. isn’t far behind, with one of the highest combined marginal tax rates in the country at around 48 percent.

There may be some additional capacity to tax, but how much remains an open question precisely because relocating is so easy. If socialist mayors push too far, the first warning sign will be falling revenue. And with the national debt hovering around 100 percent of GDP and a Republican in the White House, there’s little hope of new federal money riding to the rescue.

A Different Era Than a Century Ago

Today’s socialists also face a structural disadvantage their predecessors never encountered. The last time socialists held real political force in America was roughly a century ago, when government was tiny and an almost untouched tax base sat ready to be tapped.

That world is long gone. Modern government already does a great deal, funded by a progressive tax structure that leans heavily on the same high earners socialists hope to tax further. Worse, many existing services are remarkably expensive for what they actually deliver — American infrastructure costs, for instance, are notoriously scandalous.

The trouble is that every inflated cost represents someone else’s income. Anyone facing a cut will fight ferociously to protect it, consuming fiscal capacity that might otherwise fund new programs. As a result, New York, D.C., Seattle, and Chicago are all grappling with major structural budget gaps.

The Nordic Dream Meets Reality

Socialists often invoke the Nordic welfare state as their model, but that comparison reveals another inconvenient truth. Those generous systems are sustained by heavily taxing the middle class — an idea unlikely to appeal to the educated, professional base of the Democratic Socialists of America.

Today’s college-educated progressives are voting for more public services, not less disposable income. That tension between ambition and willingness to pay sits at the heart of the movement’s fiscal challenge.

Budget Gaps Are Already Here

The strain is no longer theoretical. Several socialist leaders are already confronting the limits of their agendas:

• New York Mayor Zohran Mamdani has scaled back his plans amid a $5.4 billion deficit that was only closed with substantial state aid.
• Seattle Mayor Katie B. Wilson is weighing layoffs to patch her own budget hole.
• In D.C., the Council where Lewis George sits is wrestling with a $1.1 billion gap that threatens promises like an expensive child care subsidy.

The Paradox of Socialist Success

There’s a striking irony in all this. The same dismal fiscal conditions fueling socialism’s rise may also doom its delivery. The weak state of federal finances limits the scope for a sweeping national agenda and may be contributing to higher interest rates and inflation — frustrations that create openings for socialist politicians to campaign against the establishment.

But winning office is one thing; governing is another. Once in power, these leaders will find it difficult simply to maintain existing services, let alone expand them in the ambitious ways their supporters expect.

The Reckoning Ahead

Socialism in America is riding a genuine wave of enthusiasm, powered by real frustration with an unsatisfying status quo. Yet the movement’s greatest test won’t come at the ballot box — it will come in the budget office.

The promises that energize voters depend on revenue that may not materialize and on taxpayers who can vote with their feet. For now, it may feel like a great time to be a socialist. The harder question is whether that optimism can survive contact with the unforgiving arithmetic of governing.