Spain's government may become the latest casualty of a housing crisis that policymakers helped create, offering a cautionary tale for America.

This month, Spain's parliament rejected two housing decrees championed by Prime Minister Pedro Sánchez. While the package included some sensible measures aimed at curbing housing speculation, it was dominated by heavy-handed interventions, including expanded eviction restrictions, long-term mandatory lease renewals, and substantial penalties for landlords who declined to renew leases. Such policies risk driving landlords out of the market and further reducing housing supply.

The defeat was a major blow to Sánchez's fragile coalition and helped trigger a snap election for November 29. Although Sánchez subsequently revived the measures in revised form, the new decrees preserve the same core approach: more government control of the housing market, less flexibility for property owners, and little effort to address the underlying forces pushing housing demand ever higher.

Americans should pay attention. Spain shows what happens when policymakers regulate housing's symptoms while refusing to confront politically difficult, government-driven demand pressures.

Sánchez’s approach centered on controlling landlords. In America, federal policymakers increasingly promise to fix housing through supply-side interventions, even though the most consequential zoning and land-use decisions belong to states and localities, not the federal government, all while federal subsidies continue to inflate demand and prices.

For years, Spain's leaders have framed the housing crisis primarily as a problem of insufficient tenant protections. But much of the pressure is more fundamental: rapid population growth driven by unrestrained and unsustainable immigration, combined with government policies that increasingly encourage housing to function as a speculative investment rather than primarily as a place to live.

According to Spain's national statistics, the overwhelming majority of recent population growth has been attributable to immigration. Spain has experienced one of Europe’s fastest immigration surges and issued more first residence permits than any other EU country in 2025.

The economic logic is straightforward. Every additional household needs a place to live. New arrivals typically enter the rental market first, increasing demand where supply is already constrained. The Bank of Spain's Annual Report 2023 identifies housing demand that far outstrips supply as a central driver of sustained rent and home-price increases and notes growing affordability problems in major urban areas and markets with substantial investment and rental activity.

Academic literature points in the same direction. A recent study in the journal Sustainability found a strong post-2021 relationship between migration-related inflows and advertised rents, particularly in supply-constrained regions with substantial tourism-related housing demand.

Foreign buyers and second-home purchasers represent another significant source of demand. Foreign nationals accounted for nearly 14% of Spanish home purchases in 2025. But in some markets the figure was far higher: nearly half of all home purchases in Alicante were made by foreign buyers; in Málaga the share was nearly one-third.

Supply is certainly part of the picture, but the debate becomes distorted when these demand drivers are ignored. Arguing that supply must expand indefinitely to accommodate any level of demand is like insisting that road congestion can always be solved by building more lanes while ignoring the policies driving traffic growth.

If a city adds 100,000 households while producing only 50,000 additional units, the imbalance will push rents and home prices up. Likewise, when more homes become vacation properties, seasonal residences, or investment assets rather than primary residences, fewer remain available to local families even if total inventory is unchanged.

Spain's turmoil suggests that voters increasingly recognize this disconnect. Policies aimed at controlling symptoms rather than causes have failed to restore housing affordability and now threaten the governing coalition.

America faces similar pressures. The United States maintains policies that increase housing demand faster than supply can respond, including a government-backed mortgage market, immigration-driven population growth, and incentives that encourage housing to function as a speculative investment rather than a place to live.

Yet much of the debate still revolves around rent controls, tenant mandates, restrictions on landlords, and federal efforts to compel local communities to build more. Supply reform is necessary, but its benefits will remain limited if federal policies continue pushing demand higher.

Housing markets operate according to basic economics. When demand rises rapidly while supply struggles to keep pace, prices increase. Without addressing demand-side pressures, federal supply initiatives alone are unlikely to restore housing affordability.

Spain's housing backlash shows what happens when governments regulate symptoms while ignoring causes. American policymakers should take note before they learn the same lesson at the ballot box.

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John Gibbs is Director of the Roe Institute for Economic Policy Studies at The Heritage Foundation.

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