AIA Architecture Billings Index Reports Considerable Decline in January

February 23, 2026

After December’s slightly promising bounce back, the AIA’s Architecture Billings Index dropped again — quite considerably — in January. The economic indicator reported a measly 43.8 for the first month of 2026, a notable drop from December’s 47.1.

It appears the year is off to a sluggish start, as new project inquiries also declined, after steadily increasing for much of 2025.

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