Advertising banner for stairwell lighting: left slogan, three circular feature icons, and Natural LED logo on the right.

Construction + Economy

Architecture Billings Index Reverts Back into Negative Territory

Following the first positive reading since January 2008, the Architecture Billings Index (ABI) dropped nearly two points in October. As a leading economic indicator of construction activity, the ABI reflects the approximate nine to twelve month lag time between architecture billings and construction spending. The American Institute of Architects (AIA) reported the October ABI score was 48.7, down from a reading of 50.4 the previous month. This score reflects a decrease in demand for design services (any score above 50 indicates an increase in billings). The new projects inquiry index was 61.7, down slightly from a nearly three-year high mark of 62.3 in September.

“This is disappointing news, but not altogether that surprising,” said AIA Chief Economist Kermit Baker, PhD, Hon. AIA. “We were anticipating a slow recovery period and it is likely that there will be some fits and starts before conditions show consistent improvement. Right now, reluctance from lending institutions to provide credit for construction projects and a sluggish economy are the main impediments to a revival of the design and construction industry.”

Key October ABI highlights:

* Regional averages: Northeast (54.5), Midwest (51.8), South (48.6), West (44.3)
* Sector index breakdown: commercial / industrial (54.5), institutional (50.8), multi-family residential (49.1), mixed practice (43.2)
* Project inquiries index: 61.7

author avatar
Craig DiLouie
Stairwell with bright ceiling light and overlaid message: 'Reliable lighting. Lower energy costs. Safer stairwells.' Natural LED badge at bottom, plus three circular feature icons at top.

Events

IES26: The Lighting Conference
CEDIA Expo / Commercial Integrator Expo
ArchLIGHT Summit
ALA Conference 2026
Click For More
Event hero banner for ArchLight Summit: two speakers on the left (Leni Schwendinger and Andrea Hartranft) with a purple gradient right side showing 'Two Keynotes No Substitutes' and a 'Save Your Seat' button.

Archives

Categories