Diplomatic relations between Argentina and Brazil downgraded following presidential rhetoric

Diplomatic ties between Argentina and Brazil have significantly deteriorated as Brazil officially downgraded its diplomatic representation to the level of chargé d'affaires. This decision follows persistent public attacks by Argentine President Javier Milei, who repeatedly labeled his Brazilian counterpart, Luiz Inácio Lula da Silva, a "thief" and a "corrupt criminal" during media interviews and political events, including a rally for Brazilian Senator Flávio Bolsonaro.

In response to these remarks, the Brazilian Ministry of Foreign Affairs summoned the Argentine ambassador to Brasília on Tuesday, August 5, 2026, to demand his immediate departure. This action follows the earlier withdrawal of Brazil's ambassador from Buenos Aires for consultations. The move represents an unprecedented escalation in the diplomatic crisis between the two neighboring South American nations, which have historically maintained strong economic and political ties.

The Argentine Ministry of Foreign Affairs acknowledged the notification of this unilateral decision. As of now, the diplomatic representation is reduced, and the Argentine envoy is expected to return to his home country, leaving the relations between the two regional powers in a state of high tension.