Actual Modern Georgist Experiments

Henry George's proposal was simple enough to fit on a bumper sticker: tax the value of land itself, not what people build on it, because land's value comes mostly from the surrounding community — roads, schools, transit, the sheer fact of other people wanting to be nearby — not from anything the owner did. Untax buildings and you stop punishing construction. Tax land instead and you punish sitting on it empty.

It's a simple idea with a complicated track record, because it has actually been tried — repeatedly, in real cities and real countries, by real politicians who had to survive real elections afterward. Some of it worked. Some of it collapsed. Most of it is more interesting than either the advocates or the skeptics usually let on.

Pittsburgh: eighty-eight years, then a crisis that wasn't really about the tax

Pittsburgh ran a split-rate property tax — land taxed at several times the rate of buildings — from 1913 to 2001, longer than any other American city has tried it. For most of that run, the land-to-building tax ratio sat around 5.77 to 1. Researchers who later compared Pittsburgh to other Rust Belt cities over the same stretch found it built more, and lost less of its urban core, than peers running ordinary flat property taxes.

What ended it wasn't the tax design. It was assessment neglect. City and county officials had let land assessments lag behind real market values for decades — politically easier than forcing a reassessment fight. When Allegheny County finally conducted a court-ordered countywide reassessment in 2001, land valuations jumped to reflect decades of appreciation all at once: land tax bills rose roughly 81% in a single cycle, building taxes about 43%. Homeowners, especially in wealthier neighborhoods that had been most under-assessed, revolted, filed a wave of appeals, and the city abandoned the split rate entirely rather than defend a sudden bill nobody had budgeted for.

The lesson Pittsburgh actually teaches isn't "land value taxes fail." It's that any tax resting on periodic reassessment is only as stable as the political will to reassess on schedule. Defer that long enough and the eventual correction will look like the tax's fault even when the fault is the years of deferral.

Harrisburg: the most-cited success, with a separate collapse riding alongside it

Harrisburg, Pennsylvania adopted a split rate in 1975 and pushed it further under Mayor Stephen Reed starting in 1982, eventually taxing land at roughly six times the rate on buildings. By Reed's own account in 1994, the number of vacant structures downtown had fallen from about 4,200 to under 500, the number of businesses on the tax rolls had grown from 1,908 to 8,864, and the city had drawn over a billion dollars in new investment after nearly three decades of decline. It's the case Georgists cite most often, and the numbers, as far as they've been independently checked, hold up.

The complicating footnote: Harrisburg later went effectively bankrupt, in 2011, under the weight of debt from an unrelated municipal trash-incinerator retrofit that had spiraled catastrophically out of control — a financial disaster with nothing to do with the land tax, but close enough in time and place that the two get conflated in casual retellings. The split-rate tax didn't cause Harrisburg's collapse, and it didn't prevent it either; it was a genuinely effective tool for one specific problem (vacant downtown land) sitting next to an entirely separate failure of municipal finance. Both things can be true about the same city at once.

Altoona: full commitment, quiet reversal

Altoona, Pennsylvania went further than either Pittsburgh or Harrisburg: starting in 2002 it phased in a split rate, and by 2011 it had eliminated the building tax entirely, taxing land alone. Five years later, in 2016, it reversed course and went back to a conventional single-rate tax.

The mayor's own explanation afterward was less about the tax's economics and more about its politics and framing. Overlapping county and school district taxes kept taxing buildings the whole time, which diluted the incentive the city's own land tax was supposed to create. And residents and prospective businesses, seeing a much higher land-tax rate without registering that it replaced a building tax rather than stacking on top of one, treated the sticker price as a warning sign rather than doing the arithmetic. Altoona is probably the cleanest case of a Georgist policy that wasn't defeated by its economics so much as by nobody successfully explaining it.

Detroit: the current live experiment, still stuck at the starting line

Mayor Mike Duggan proposed a land value tax for Detroit in 2023, structured to cut the rate on improved property and raise it on vacant land and speculative parcels — the city estimated roughly 97% of homeowners would see a tax cut, averaging around 17%. A panel of international economists reviewed the plan and gave it unusually strong marks for a municipal tax proposal.

It has not happened yet. The plan requires enabling legislation from the Michigan state legislature before Detroit voters can even put it on a ballot, and as of the most recent reporting, that legislative approval still hasn't arrived — a proposed 2024 ballot vote slipped, then slipped again. Detroit's land value tax is, at the time of writing, less a case study than a bet still sitting on the table: the most economically credentialed modern Georgist proposal in the country, indefinitely parked in a state legislature's inbox.

Denmark: over a century old, and quietly deflated

Denmark's grundskyld — land value tax — dates to 1902 and grew directly out of the same Georgist wave of ideas that produced Pittsburgh's and Harrisburg's experiments; Denmark was, for a time, the first country with a nationally influential political party built specifically around funding government from land value rather than income or sales. It's still in force today, a permille rate on assessed land value, set by each municipality within a national cap.

It's also the case for tempered expectations. Every major Danish party backed the tax for most of the twentieth century, but by the twenty-first, ambition for it had visibly faded — the rate is capped low enough nationally that it now functions as one modest municipal revenue line among several, not the central pillar George's original proposal imagined. Denmark shows a land tax can survive for over a hundred years without ever being defeated — and can also, over that same century, be slowly negotiated down into something much smaller than its founders intended.

Estonia: the purest version running today

Estonia comes closest to George's original design at a national scale: land is taxed on assessed market value, buildings are fully exempt, and the policy has run continuously since Estonia's post-Soviet re-establishment of private property in the 1990s. It's the only EU country that taxes land alone. Part of the original motivation was pragmatic rather than ideological — freshly privatized land needed some mechanism to discourage speculative hoarding rather than productive use, and a land tax was a clean way to do it.

Georgist advocates cite Estonia as proof the model runs cleanly at national scale without the distortions critics predict. The honest caveat is that Estonian municipalities are permitted to set rates as low as 0.1%, and many do — it's a real, unbroken implementation, but a comparatively light-touch one, more evidence that the mechanism doesn't break the economy than evidence of what a fully-loaded version would do.

Taiwan: the tax written into a constitution

Taiwan's is the most institutionally durable version anywhere, because it isn't just policy — it's constitutional doctrine. Sun Yat-sen, founder of the Republic of China, was directly influenced by Henry George and made "equalization of land rights" one of his Three Principles of the People; the idea was written into the ROC constitution itself, guaranteeing that owners keep land's use value while society captures the unearned increment created by rising land prices.

In practice this runs today as a Land Value Increment Tax, charged on the realized gain when land is sold, layered onto ordinary land taxation. It has survived nearly a century of political turnover — nationalist government, decades of single-party rule, and Taiwan's transition to multiparty democracy — without being repealed, which makes it arguably the single most politically durable Georgist policy in the world, even though most people who benefit from that durability have never heard Henry George's name.

What the record actually says

Line the cases up and the pattern isn't "Georgism works" or "Georgism fails." It's that the policy survives exactly as long as three unglamorous things hold: assessments stay current (Pittsburgh's failure was really an assessment failure), the public understands what they're actually being asked to pay relative to what they're not being asked to pay anymore (Altoona's failure was a communications failure), and the tax doesn't get asked to carry more political weight than a tax can carry on its own (Harrisburg's tax succeeded at what it was built for and still couldn't save a city being sunk by an unrelated debt crisis). Where those three conditions have held — Denmark for over a century, Estonia since the 1990s, Taiwan for nearly one — a land value tax has proven to be one of the more boring, durable pieces of a country's fiscal architecture. Boring, in tax policy, is usually the sign of something that's actually working.

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Sources: Land Value Tax Guide: The Pittsburgh Experience; Ethical Economics: A History of Land Value Taxation in Pittsburgh; Strong Towns: Non-Glamorous Gains — The Pennsylvania Land Tax Experiment; Lincoln Institute for Land Policy: Economic Possibility — Altoona; City of Detroit: Land Value Tax Plan; Niskanen Center: Detroit could be the largest U.S. city with a land value tax; Enough Berlin: Estonia's Land Value Tax — Good, But Underpowered; Progress.org Wiki: Estonia; Lincoln Institute: Policies and Mechanisms on Land Value Capture — Taiwan Case Study; Wikipedia: Land reform in Taiwan.