Mexico Edges Closer to Investment-Grade Risk in 2027 Budget

The Numbers Are Finally Public

Mexico delivered its 2027 economic package to Congress on 8 September, but its detailed figures were not published right away. This week, financial press finished parsing them, and the reaction was uneasy.

Bloomberg Línea, among other outlets, now frames Mexico as closer to losing its investment-grade credit rating. The reason is not a new crisis, but the actual math inside the plan itself.

What the Budget Actually Shows

The package sets total spending at MXN$10.6 trillion, equivalent to roughly US$619.1 billion at this week’s exchange rate. Projected revenue comes in lower, at MXN$9.16 trillion, or about US$535.0 billion.

That gap of nearly MXN$1.7 trillion, around US$99.3 billion, must be covered through new borrowing. Mexico’s public sector borrowing requirement, known as the RFSP, is set at 4.1% of GDP for 2026.

It is projected to ease only slightly, to 3.9% of GDP, in 2027. That is a smaller improvement than earlier government guidance had suggested before the full package became public.

Public debt under the broader SHRFSP measure tells a less reassuring story. It is projected to rise from 54% of GDP in 2026 to 55% in 2027, then to 56.4% by 2030.

Why Analysts Are Uneasy

The core concern is simple. Mexico is promising fiscal consolidation, yet its own budget projects debt continuing to climb for years, not stabilizing.

Héctor Villarreal, of the fiscal think tank ITED, put it carefully. Hacienda’s messaging is more credible than before, he said, but the government may still be “kicking the can down the road.”

Adriana Hernández, a former Treasury consultant, framed it as a watch-and-wait situation. Rating agencies, she said, will track this closely, and markets need to stay alert alongside them.

José Luis Clavellina, of the fiscal research group CIEP, said compliance depends on factors beyond the document itself. Actual execution, real growth, and investor confidence will decide whether the targets hold.

A Second Warning From Closer to Home

Days before the Bloomberg Línea analysis, the Mexican rating agency HR Ratings issued its own alert. On 11 September, it warned the debt trajectory in the 2027 package could pressure Mexico’s sovereign rating.

HR Ratings currently holds Mexico at BBB+ with a stable outlook. That is three notches above losing investment grade on the agency’s own scale, a cushion the international agencies do not share.

HR Ratings also projects weaker 2026 growth than Hacienda’s own numbers, at 1.1% to 1.3%. Slower growth would make the government’s debt ratios harder to hit than currently projected.

Where the Big Three Already Stand

Mexico has less room to absorb bad news than it once did. Moody’s downgraded the country to Baa3 in May, citing weakened fiscal strength.

Fitch rates Mexico at BBB-minus, one single notch above sub-investment-grade status. The agency has said explicitly that Mexico would lose its investment grade if it fails to consolidate its fiscal strategy.

S&P has not cut its rating, but it moved its outlook to negative earlier this year. A negative outlook typically signals a downgrade is under active consideration, not imminent but plausible.

Why This Differs From Earlier Warnings

Mexico has faced investment-grade warnings for weeks, tied to Pemex debt and a widening first-half deficit. Those were forward-looking concerns about a budget nobody had fully seen yet.

This week’s reaction is different because the numbers are now real. Analysts are responding to Mexico’s own stated targets, not to speculation about what the targets might say.

That distinction matters for credibility. A government can dismiss speculation, but its own published figures are harder to argue with.

What Foreign Investors Should Watch

None of this means a downgrade is certain, or even likely in the near term. Mexico still holds investment-grade ratings at all three major agencies, plus HR Ratings domestically.

The real test runs through 2027 itself. If revenue underperforms or Pemex needs support again, little fiscal space remains to absorb the surprise.

Bondholders will likely watch each quarterly fiscal report closely from here. A single weak print could shift the conversation from cautious concern to active downgrade risk.

Frequently Asked Questions

What is Mexico’s 2027 Paquete Económico? The government’s 2027 budget package, delivered to Congress on 8 September, covering revenue, spending and fiscal targets.

How big is the 2027 deficit target? The RFSP is projected at 3.9% of GDP in 2027, down only slightly from 4.1% in 2026.

What is HR Ratings? A Mexican domestic credit rating agency, which currently rates Mexico BBB+ with a stable outlook.

Where do Fitch, Moody’s and S&P stand? Fitch and Moody’s hold Mexico at their lowest investment-grade level; S&P has a negative outlook.

Is a downgrade imminent? No, but analysts say the risk has grown because the budget confirms debt will keep rising through 2030.

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