AIA Architectural Billings Index

The American Institute of Architects’ Architectural Billings Index (ABI) is a leading indicator of growth in the construction industry.

Any score above 50 indicates an increase in billings relative to the previous month (and therefore an increase in expected construction activity) while a score below 50 indicates a decline. The most recent ABI score is 50: indicating slight growth staying unchanged.

The West region saw the ABI value at 46.6, which has not recorded a value above 50 since February 2023, though it has been continually increasing from 39.5 since last November. The South and Northeast regions are seeing a slight decline, with values of 45.2 and 43.6, according to January 2024 data released. The Midwest region is the only region that sees slight growth, with a value of 50.9. All three sectors -industrial/commercial, institutional, and residential sectors – are shrinking to start the year 2024.

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