The National Index of Civil Construction (Sinapi), calculated by the IBGE, increased by 1.54% in January 2026, 1.03 percentage points  (p.p.) in relation to 2025 (0.51%). The cumulative index in 12 months  was 6.71%, a result above the 5.63% in the previous 12 months. The January 2025 index was 0.51%.

The national cost of construction, increased from R$ 1,891.63 in December to R$ 1,920.74 in January, with R$ 1,081.31 relative to materials and R$ 839,43 to workforce. 

The share of materials changed by 0.27%, remaining at the December level (0.27%), having increased 0.09 p.p. from January last year (0.18%).

Workforce increased 3.22%, and stood 2.39 p.p. above the December figure (0.83%) and 2.25 p.p. more in relation to the previous year (0.97%). This increase results from the exemption of payroll in companies of the civil construction sector.

On the other hand, workforce changed 0.83%, rising 0.74 p.p. compared to the previous month (0.09%) and 0.77 p.p. compared to December 2024 (0.06%). A collective agreement observed in the period contributed to this increase.

In 12 months, materials had a cumulative increase of 4.29%, whereas workforce increased by 10.03%.

Northeast records biggest change: Piauí accounts for main increase among the states

The Northeast, with rises in all the states, recorded the main regional change in January (1.85%). The remaining Major Regions recorded the following results: 1,67% (Central West), 1.39% (Southeast), 1.35% (South) and 1.33% (North).

Among the states, Piauí had the highest index (4.12%), influenced by the adjustment resulting from the collective agreement and the rise of the cost of materials.

SINAPI – January 2026
WITH payroll exemption

SINAPI – January 2026
WITHOUT payroll exemption