Mexico has set a new benchmark in sovereign sustainable finance with the issuance of €4.75 billion in ESG-labelled bonds, the largest such transaction ever completed by a Latin American issuer. The issuance, announced by Mexico Ministry of Finance and Public Credit, also represents the largest euro-denominated ESG bond sale by a non-European sovereign.

The multi-tranche offering comprised €2 billion in 5-year notes, €1.75 billion in 10-year notes, and €1 billion in 14-year notes, underscoring Mexico’s growing role as a major issuer in global sustainable debt markets.

Expanded Sustainable Financing Framework Anchors Issuance

The bond sale follows a recent update to Mexico’s Sovereign Sustainable Financing Framework, which significantly broadened the scope of eligible expenditures. Under the revised framework, proceeds may now be allocated across projects aligned with 13 of the United Nations Sustainable Development Goals.

The update added SDG 10 on Reduced Inequalities and SDG 12 on Responsible Consumption and Production, expanding beyond the country’s previous SDG-linked bond structure. Eligible categories now span social development, clean energy, climate action, sustainable infrastructure, biodiversity protection, and inclusive economic growth, reflecting a more holistic approach to sustainability-linked public spending.

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Stronger Governance and Taxonomy Alignment

The revised framework also strengthens governance, eligibility, and traceability requirements for sustainable bond issuance. A central feature of the update is the integration of the Mexican Sustainable Taxonomy, launched in 2023, which serves as a formal analytical tool for assessing and classifying eligible expenditures.

By embedding taxonomy-based screening into its sovereign framework, Mexico aims to enhance transparency, comparability, and credibility, while reducing greenwashing risk and aligning more closely with international sustainable finance standards.

Strong Global Investor Demand

Investor appetite for the transaction was robust, with total orders reaching €13.5 billion from more than 180 international investors. According to the Ministry of Finance, demand remained strong despite ongoing geopolitical uncertainty and volatile global markets, highlighting continued confidence in Mexico’s sovereign credit and sustainability strategy.

The joint bookrunners described the deal as a milestone transaction, noting its scale, geographic reach, and importance for the evolution of ESG-labelled sovereign issuance outside Europe.

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Mexico’s Growing Role in Sustainable Debt Markets

Mexico first entered the SDG-linked bond market in 2020 and has since built one of the most active sovereign sustainable bond programmes globally. To date, the country has issued 56 sustainable bonds across multiple currencies, including euros, US dollars, pesos, and yen, with cumulative issuance exceeding $32 billion.

This latest transaction reinforces Mexico’s position as a leading emerging-market issuer in sustainable finance, while signalling the growing importance of ESG-aligned sovereign debt as a tool for financing development priorities at scale.

As global investors continue to demand credible, taxonomy-aligned sustainable instruments, Mexico’s record issuance demonstrates how sovereign frameworks are evolving from thematic commitments into core funding mechanisms for long-term economic, social, and environmental objectives.

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