Mexico – A credible budget will diminish the probability of a downgrade

中文标题

墨西哥——一份可信的预算将降低评级下调的可能性

Natixis09/10/2026updated 10/17/2026

Citable research brief

Core conclusion · Tlines extraction

Natixis analyzes Mexico's proposed 2027 budget, which reduces the public sector financing requirement to 3.9% of GDP from 4.1% in 2026, with gross debt rising modestly to 55% of GDP. Revenues are set to increase to 23.0% of GDP on stricter tax deduction limits, while expenditures edge up to 26.7% of GDP, with cuts focused on public investment and a 70% reduction in support for Pemex. The government's assumptions—GDP growth of 1.5%-2.5%, an oil price of $61.8 per barrel, and constant hydrocarbon production of 1.8 million barrels per day—are deemed realistic. Natixis concludes that if the budget is adhered to and growth exceeds 1.5% year-on-year in 2027, the probability of a sovereign downgrade will diminish markedly. The market has already responded: the spread on Mexico's 2036 dollar bond over Treasuries compressed by about 2 basis points, despite rising U.S. Treasury yields.

Institution: Natixis
Published: 09/10/2026
Research topic: US 10Y Treasury
Time horizon: 2027 · 2022

US 10Y Treasury · US10Y

Key arguments

The 2027 budget reduces the public sector financing requirement to 3.9% of GDP from 4.1% in 2026, with gross debt rising marginally to 55% of GDP.
Fiscal consolidation is driven mainly by higher revenues from stricter limits on tax deductions, while expenditures remain broadly unchanged, representing a significant political effort by the Sheinbaum administration.
The government's key assumptions—GDP growth of 1.5%-2.5%, an average oil price of $61.8 per barrel, and constant hydrocarbon production of 1.8 million barrels per day—are realistic and within market expectations.
If the budget is adhered to and economic growth exceeds 1.5% year-on-year in 2027, the probability of a sovereign downgrade will diminish markedly.
The market has started to react positively: the spread on Mexico's 2036 dollar bond over Treasuries compressed by about 2 basis points, despite rising U.S. Treasury yields.

Key numbers

Public sector financing requirement (2027): 3.9% of GDP
Public sector financing requirement (2026): 4.1% of GDP
Gross debt (2027): 55% of GDP
Gross debt (2026): 54% of GDP
Revenues (2027): 23.0% of GDP
Revenues (2026): 22.8% of GDP
Expenditures (2027): 26.7% of GDP
2027 GDP growth projection: 1.5%-2.5%

Main risks

The budget may not be fully implemented, undermining the projected fiscal consolidation.
Economic growth could fall below 1.5% year-on-year in 2027, which would likely increase the probability of a downgrade.
The government's oil price assumption of $61.8 per barrel could prove too optimistic if oil prices decline further.
Contrary to the budget proposal, Pemex's financial situation might require additional government support, deviating from the 70% cut in support.
Global financial conditions, particularly a further rise in U.S. Treasury yields, could pressure Mexican asset prices and offset the positive fiscal impact.

Corresponding source evidence

The government projects that gross debt will increase marginally to 55% of GDP from 54% in2026.
Discover more on our Website Mexico – A credible budget will diminish the probability of a downgrade The government presented its proposal for the 2027 budget on September 8th. · 2027
Our takeaway is that ifthe government is able to stick to the budget and the economy grows north of 1.5% y/y in 2027, the probability of a downgrade will diminish markedly. · 2027

Context: the conclusion is Tlines' automated extraction, not the institution's wording. Quoted evidence is publisher wording. Scope and date must travel with the conclusion.

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