AIA/Deltek Architecture Billings Index (ABI)
The leading monthly economic indicator that uses proprietary AIA data to predict nonresidential construction activity 9-12 months ahead.
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Strengthen your economic and business models
Everything starts with planning. Strengthen your economic and business models with the AIA/Deltek Architecture Billings Index, proprietary economic data available only through AIA. Based on billings at US architecture firms, this leading economic indicator predicts nonresidential construction activity 9–12 months ahead.
Use it to:
- Assess and predict business conditions
- Evaluate investment decisions and confirm patterns
- Support budgeting and demand planning
- Predict and track the market
- Benchmark portfolio performance
- Estimate during the RFP process
- Inform strategic planning
What you get:
- New data each month plus access to key findings, executive briefings, and trends analysis by AIA Chief Economist Kermit Baker, Hon. AIA
- Access to 25 years of raw ABI historical data
- National breakdowns (billings, inquiries, design contracts)
- Breakdowns by U.S. regions (northeast, midwest, south, west)
- Breakdowns by sectors (multifamily residential, commercial/industrial, institutional, mixed)
- Two white papers: Relationship Between a Billings Index and Construction Spending and Reviewing the Performance and Extending the Applications of the ABI
- Up to three users per license*
One-third of architecture firm leaders rate increasing firm profitability as one of their top three biggest business concerns for 2025
Are you an architecture firm owner or principal? Participate in our monthly survey to compare your firm to others, track the economy and local business conditions, and use data to target business opportunities.
Principals and partners at AIA member firms can share their data for a free subscription.
January 22, February 19, March 19, April 23, May 21, June 18, July 23, August 20, September 24, October 22, November 19, December 17
Contact us for more information.
About the ABI
The ABI is derived from AIA’s Work-on-the-Boards survey, which has gathered data on shifts in billings from architectural firm leaders for over 20 years. This data is a trusted tool used by the design and construction industry and other firms to predict and track movements in the market.
Investment groups like Wells Fargo, media outlets, firms of all sizes, and business leaders rely on the ABI to assess business conditions and predict and track the market.
Use the ABI to support budgeting and demand planning, benchmark portfolio performance, inform strategic planning, and assess and predict business decisions.
About Deltek
Deltek is the home of AIA MasterSpec®, powered by Deltek Specpoint. Deltek helps A&E firms boost efficiencies while improving collaboration and accuracy.