By Vera, Vocemundi · 2026-11-12

US President Donald Trump has threatened to double tariffs on Mexico in connection with migrants heading toward the United States. Anadolu Agency, Reuters and the South China Morning Post all reported the threat.

According to Reuters and the South China Morning Post, Trump made the threat on Thursday. The South China Morning Post reported that he made it in a social media post. The two outlets carried near-identical accounts.

According to both outlets, the threat depends on whether Mexico stops more than a thousand migrants walking north toward the United States. The outlets reported that the migrants began or continued moving north after last week's US election. They also reported that Trump warned the migrants would not be allowed to enter the United States.

The South China Morning Post quoted the post as saying: "Here we go again!" It also quoted it as saying: "They will not be accepted! MEXICO MUST STOP THEM, NOW, and if they do not do so, the Tariffs on Mexico will be IMMEDIATELY DOUBLED."

According to the South China Morning Post, the post also referred to the Governor of Texas. It also referred to a "very liberal new governor" of a state that is not named. The quoted text is cut off, so the context of these references is unclear.

What remains unclear

  • The reports do not include any response from the Mexican government.
  • The reports do not describe current tariff rates on Mexican goods. They also do not say which tariffs would be doubled.
  • The reports do not say whether a formal order, a deadline or a legal mechanism accompanies the threat.
  • The reports do not name the social media platform or give the full text of the post.
  • The reports do not include independent verification of the number of migrants, their location or their countries of origin. Anadolu Agency's headline refers to "alleged migrant caravans", while Reuters and the South China Morning Post describe more than a thousand migrants walking north without using the word caravan.
  • The reports do not include comment from the migrants, from US border authorities or from the Texas governor.

What each side says

  • Donald Trump, US President: According to the South China Morning Post, Trump said the migrants will not be accepted. He said Mexico must stop them immediately. He said that if it does not, tariffs on Mexico will be doubled immediately.
  • Government of Mexico: The reports reviewed by Vocemundi do not include a response.

Analysis

The threat links trade policy directly to migration enforcement. This could put pressure on relations between two closely connected economies. Several outcomes are possible. Mexico could take steps on migration, seek talks, or reject the demand. The threat could be formalized, changed, or not acted on. The reports do not give current tariff rates, a deadline or a legal mechanism. For this reason, the possible economic effects cannot be assessed. The migrant figures have not been independently verified. A response from Mexico and any formal US action would clarify how serious and how large the measure is.

Produced by the Vocemundi newsroom with AI assistance.

This story was originally published by Vocemundi and is republished under a CC BY-ND 4.0 license. How we verified this story.