As part of her 2026 Barcelona trip—following her arrival and pre-visit announcements—Mexican President Claudia Sheinbaum joined progressive leaders at the IV Summit for the Defense of Democracy. They advocated UN reforms for greater representation, rejected military interventions in Cuba, and positioned their bloc against Donald Trump's Americas Shield, with calls from hosts Pedro Sánchez and Luiz Inácio Lula da Silva.
The summit, hosted by Spanish Prime Minister Pedro Sánchez and Brazilian President Luiz Inácio Lula da Silva on Saturday, drew a dozen progressive leaders including Sheinbaum, South Africa's Cyril Ramaphosa, Colombia's Gustavo Petro, and Uruguay's Yamandú Orsi. Participants agreed to push for UN restructuring to better represent regions like Africa and proposed appointing the organization's first female leader to replace António Guterres.
Sheinbaum reaffirmed Mexico's commitment to non-intervention and self-determination, calling for a declaration opposing military action in Cuba and emphasizing dialogue in conflicts. She reiterated her proposal to redirect 10% of global military spending to reforestation. Lula condemned Cuba's economic blockade and unilateral 'emperors' imposing rules.
The gathering counters the Americas Shield initiative, launched by Trump at a March U.S. summit excluding Mexico and attended by ideologically aligned leaders like Argentina's Javier Milei and El Salvador's Nayib Bukele. Analysts view this as a shift toward ideological blocs over geography, building on Sheinbaum's earlier clarifications that the summit promotes world peace in the UN Charter spirit.