Stable but uneven monthly price adjustments for lower-income households
The National Consumer Price Index (INPC) measures monthly changes in consumer prices for households with lower income levels, reflecting variations in the cost of living for a significant portion of the population. As a broad indicator of price dynamics at the consumer level, it captures the effects of food prices, services, administered prices, and broader cost pressures transmitted through the economy.
The index is particularly relevant for assessing real income dynamics and the purchasing power of households.
Recent dynamics
The series shows moderate and relatively stable monthly increases throughout 2023, with a gradual deceleration toward mid-year, including brief negative readings, before re-accelerating at the end of the year.
In 2024, the pattern remained broadly similar, with mostly positive monthly variations, interspersed with occasional declines, and a slight increase in volatility toward the second half of the year. In 2025, the index displayed greater dispersion, including a sharp increase in February followed by more moderate readings and intermittent negative values.
By early 2026, monthly changes remained positive but within a relatively contained range, indicating continued but moderate price increases.
Interpretation and economic signal
The behavior of the INPC suggests a pattern of moderate and uneven price adjustments at the consumer level. While the overall magnitude of monthly changes remains contained, the presence of intermittent negative readings and isolated spikes points to a process of relative price adjustment across different consumption categories.
Variations in food and energy prices, alongside service sector dynamics, contribute to this pattern, resulting in short-term volatility without a sustained acceleration in overall price increases.
From a broader perspective, stable but fluctuating consumer price changes indicate that cost pressures are being transmitted to households in a gradual and uneven manner. This environment can influence consumption decisions, as households adjust spending patterns in response to shifting relative prices.
At the same time, the absence of persistent high monthly increases suggests that price adjustments are occurring without a generalized acceleration, reflecting a balance between demand conditions and cost dynamics within the economy.
Conclusion
The recent trajectory of the INPC points to a period of moderate and controlled consumer price adjustments, characterized by some volatility but no sustained upward trend. While short-term fluctuations remain present, the overall pattern suggests that price dynamics at the consumer level are evolving in a relatively stable manner.
In macroeconomic terms, this indicates a contained environment for household cost pressures, with gradual adjustments rather than abrupt changes in purchasing power conditions.