Only 13 kilometers of entirely new primary barriers have been built from scratch.
En el corazón de toda promesa política vive la tensión entre el símbolo y la sustancia. Donald Trump ha convertido el muro fronterizo con México en el emblema de su presidencia, repitiendo ante multitudes que 480 kilómetros han sido construidos y que México paga la cuenta. Pero los registros oficiales revelan que la mayor parte de esa obra es restauración de barreras ya existentes, que apenas 13 kilómetros de muro primario son verdaderamente nuevos, y que los 15 mil millones de dólares invertidos provienen íntegramente del erario estadounidense. Lo que se presenta como transformación resulta ser, en gran medida, mantenimiento.
- Trump repite en mítines de campaña que 480 kilómetros de muro nuevo han sido construidos y que México financia la obra, afirmaciones que sus propios datos oficiales contradicen.
- De los 507 kilómetros que el gobierno contabiliza como 'nuevo sistema fronterizo', 451 corresponden a reparaciones de estructuras deterioradas que ya existían antes de su mandato.
- Solo 13 kilómetros de barrera primaria completamente nueva han sido levantados desde 2017, frenados por geografía hostil, litigios de propiedad privada y presupuestos insuficientes.
- Los 15 mil millones de dólares destinados al proyecto provienen de fondos del Pentágono, del Departamento de Seguridad Nacional y del Tesoro estadounidense, declarados mediante emergencia nacional en 2019.
- México ha rechazado de forma explícita y reiterada cualquier participación financiera, tanto bajo Peña Nieto como bajo López Obrador, sin que ello haya modificado el discurso presidencial.
El muro fronterizo entre Estados Unidos y México se ha convertido en el símbolo más repetido de la presidencia de Donald Trump. En agosto de 2020, durante un mitin en New Hampshire, Trump declaró que ya habían sido construidos 300 millas —unos 480 kilómetros— y que México estaba pagando la obra. Repitió estas afirmaciones en Florida y Pennsylvania tras recuperarse del COVID-19. Sin embargo, los datos oficiales cuentan una historia diferente.
Según cifras de la Agencia de Aduanas y Protección Fronteriza de Estados Unidos, hasta septiembre de 2020 se habían completado aproximadamente 507 kilómetros del llamado 'nuevo sistema de muro fronterizo', que incluye barreras físicas, caminos de patrullaje, iluminación, cámaras y sensores. Pero de esos 507 kilómetros, 451 corresponden a reparaciones o reemplazos de estructuras que ya existían y se habían deteriorado. Solo 56 kilómetros son construcción enteramente nueva, y de esos, apenas 13 kilómetros corresponden a barreras primarias levantadas desde cero.
La frontera entre ambos países mide 3,142 kilómetros. Antes de que Trump asumiera el poder, ya existían barreras en aproximadamente un tercio de ese tramo. El territorio restante presenta obstáculos reales: montañas, desiertos, humedales y el río Bravo actúan como barreras naturales en zonas remotas. En Texas, gran parte del terreno es propiedad privada, y muchos propietarios se han negado a ceder sus tierras. Los procesos de expropiación son lentos, costosos y se extienden durante años en los tribunales.
En cuanto al financiamiento, Trump declaró una emergencia nacional en febrero de 2019 para redirigir fondos federales hacia la construcción. En total, unos 15 mil millones de dólares han sido asignados al proyecto, provenientes del Departamento de Defensa, del Departamento de Seguridad Nacional y del Tesoro de Estados Unidos. México, por su parte, ha rechazado de manera categórica cualquier participación: tanto el expresidente Enrique Peña Nieto como el actual mandatario Andrés Manuel López Obrador han descartado la idea. Cuando BBC Mundo solicitó aclaraciones al equipo de campaña de Trump, fue remitido a la Casa Blanca, que no respondió.
Donald Trump's border wall has become a centerpiece of his political messaging, a promise that echoes through his campaign rallies and shapes how he talks about his presidency. In August, speaking at a rally in New Hampshire, he declared that 300 miles—roughly 480 kilometers—of the border wall had already been built, and that Mexico was footing the bill. He has repeated these claims consistently since, including at events in Florida and Pennsylvania after his recovery from COVID-19. But when you examine the actual construction data, a different picture emerges.
The U.S. Customs and Border Protection agency provided detailed figures as of early September 2020. Since Trump took office in January 2017, approximately 507 kilometers of what the government calls the "new border wall system" has been completed. This system includes not just physical barriers but also patrol roads, lighting, surveillance cameras, sensors, and drones. On the surface, this number aligns with Trump's claims. The reality underneath tells another story.
Of those 507 kilometers, roughly 451 kilometers represent repairs or replacements of barriers that already existed but had deteriorated over time. This includes 421 kilometers of primary barriers that were fixed and 30 kilometers of secondary barriers. That leaves only 56 kilometers of entirely new construction. Breaking it down further: 43 kilometers of those new sections are secondary barriers, which means just 13 kilometers of brand-new primary barriers have been built from scratch. The distinction matters because it reveals the gap between the narrative of rapid progress and the actual pace of new infrastructure.
Why has new construction moved so slowly? The border itself stretches 3,142 kilometers between the United States and Mexico. Before Trump arrived at the White House, barriers already covered roughly one-third of that distance, about 1,050 kilometers. Much of the remaining unbarriered territory presents genuine obstacles. In remote areas, natural geography—mountains, deserts, wetlands, and the Rio Grande—creates its own formidable barrier. Building new walls in these zones requires engineering solutions that are expensive and time-consuming.
Beyond geography lies the problem of land ownership. While much of the western border sits on government-controlled territory, the eastern sections, particularly in Texas, cross through privately owned ranches, farms, and properties. Some of these landowners have refused to permit wall construction on their land. The government has the legal power to seize property through eminent domain, but that process is slow, involves court battles, and can stretch on for years. Some properties lack clear ownership records; others are divided among multiple heirs. These complications have effectively stalled construction in many areas.
As for who is paying, Trump's claim that Mexico foots the bill contradicts every official accounting. The funding has come entirely from U.S. federal sources. In February 2019, Trump declared a national emergency at the border, citing what he described as an invasion of drugs and criminals from Mexico that posed a grave threat to national security. This declaration allowed him to redirect $6.3 billion from Defense Department drug-fighting budgets toward wall construction. He added another $3.6 billion from Defense Department military construction funds and $3.4 billion from the Customs and Border Protection annual budget. Combined with $1.375 billion that Congress had actually approved in 2018, the total reached approximately $15 billion—still short of the original $25 billion estimate.
Mexico's position has been consistent and unambiguous. Former President Enrique Peña Nieto rejected the idea outright, stating his country would not pay for any wall. Current President Andrés Manuel López Obrador has similarly declined to engage with the topic during his meetings with Trump. Yet the American president continues to assert that Mexico is paying, a claim unsupported by any evidence or Mexican cooperation. When BBC Mundo reached out to Trump's campaign team for clarification on the discrepancies between his statements and official data, they were directed to the White House, which has not responded.
Citações Notáveis
Already we have built 300 miles of the border wall, and Mexico is paying for it, in case you didn't know.— Donald Trump, August 28, 2020 rally in New Hampshire
Mexico will not pay for any wall.— Former Mexican President Enrique Peña Nieto, in response to Trump's claims
A Conversa do Hearth Outra perspectiva sobre a história
So when Trump says 480 kilometers are built, he's not technically lying?
He's using a number that exists in the official record, but it's like saying you renovated your house when you really just replaced the roof and fixed the walls. The 480 includes repairs of barriers that were already there, just falling apart.
And the new construction—the actual new walls—that's much smaller?
Thirteen kilometers of entirely new primary barriers. That's the honest number. The rest of the 56 kilometers of new work is secondary barriers, which are less substantial.
Why can't they just build more? Is it money?
Money is part of it, but the bigger problem is land. In Texas, where you'd expect to build, most of the border runs through private property. Ranchers don't want a wall cutting through their land. The government can force the issue legally, but that takes years.
And Mexico paying for it—that's just not happening?
Not at all. Every dollar comes from U.S. federal budgets. Trump declared a national emergency to redirect Defense Department money toward it. Mexico has said no repeatedly, and nothing has changed.
So the emergency declaration—that's how he's funding it without Congress?
Exactly. It's a workaround that lets him move money from other departments. But it's still American money, and it's still less than half what he originally wanted to spend.