Architecture Billings Index on Solid Footing
There have been increasing levels of demand for design services for nearly all construction project types for the majority of the year as revealed in the Architecture Billings Index (ABI). As a leading economic indicator of construction activity, the ABI reflects the approximate nine to twelve month lead time between architecture billings and construction spending. The American Institute of Architects (AIA) reported the October ABI score was 53.1, down slightly from the mark of 53.7 in the previous month. This score still reflects an increase in design services (any score above 50 indicates an increase in billings). The new projects inquiry index was 58.5, down from a reading of 61.0 the previous month.
“Allowing for the possibility of occasional and minor backsliding, we expect healthy business conditions for the design and construction industry to persist moving into next year,” said AIA Chief Economist Kermit Baker, Hon. AIA, PhD. “One area of note is that the multi-family project sector has come around the last two months after trending down for the better part of the year.”
Key October ABI highlights:
- • Regional averages: South (56.2), West (54.4), Midwest (52.6), Northeast (49.2)
- • Sector index breakdown: commercial / industrial (55.1), mixed practice (54.9), multi-family residential (52.5), institutional (51.4)
- • Project inquiries index: 58.5
- • Design contracts index: 51.7
The regional and sector categories are calculated as a 3-month moving average, whereas the national index, design contracts and inquiries are monthly numbers.
About the AIA Architecture Billings Index
The Architecture Billings Index (ABI), produced by the AIA Economics & Market Research Group, is a leading economic indicator that provides an approximately nine to twelve month glimpse into the future of nonresidential construction spending activity. The diffusion indexes contained in the full report are derived from a monthly “Work-on-the-Boards” survey that is sent to a panel of AIA member-owned firms. Participants are asked whether their billings increased, decreased, or stayed the same in the month that just ended as compared to the prior month, and the results are then compiled into the ABI. These monthly results are also seasonally adjusted to allow for comparison to prior months. The monthly ABI index scores are centered around 50, with scores above 50 indicating an aggregate increase in billings, and scores below 50 indicating a decline. The regional and sector data are formulated using a three-month moving average.
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