Key Facts

—The headline. Mexico’s tax revenue reached about 2.48 trillion pesos ($142 billion) in the first five months of 2026.

—The catch. Adjusted for inflation, that take actually fell about 1.4%, the first such drop for the period in years.

—The culprit. Income-tax collection slid about 5.8% in real terms as the economy stalled.

—The offset. Consumption taxes held up, with VAT bringing in about 703 billion pesos.