02.21.2024

AIA/Deltek Architecture Billings Index Reports Modest Growth for Midwest

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ABI 2023

Architecture Billings Index Reports Sluggish Conditions to Start 2024 in All Regions of the Country Except the Midwest

February 21, 2024 – Architecture firm billings remained soft entering into 2024, with an AIA/Deltek Architecture Billings Index (ABI) score of 46.2 in January. Any score below 50.0 indicates decreasing business conditions. “This now marks the lengthiest period of declining billings since 2010, although it is reassuring that the pace of this decline is less rapid and the broader economy showed improvement in January,” said Kermit Baker, PhD, AIA Chief Economist. “Firms are seeing growth with inquiries into new projects and value of newly signed design contracts is holding steady, showing potential signs of interest from clients in new projects.”

Business conditions remained weak at firms in all regions of the country except the Midwest, where modest growth was seen in three of the last four months. Firms with a multifamily residential specialization continue to report the softest business conditions of all specializations.

The ABI score is a leading economic indicator of construction activity, providing an approximately nine to-twelve-month glimpse into the future of nonresidential construction spending activity. The score is derived from a monthly survey of architecture firms that measures the change in the number of services provided to clients.

Key ABI highlights for January include:

  • Regional averages: Northeast (43.6); Midwest (50.9); South (45.2); West (46.6)
  • Sector index breakdown: commercial/industrial (47.0); institutional (48.5); mixed practice (firms that do not have at least half of their billings in any one other category) (42.9); multifamily residential (44.6)
  • Project inquiries index: 53.8
  • Design contracts index: 49.7

The regional and sector categories are calculated as three-month moving averages and may not always average out to the national score.

Every January the AIA research department updates the seasonal factors used to calculate the ABI, resulting in a revision of recent ABI values.

Visit AIA’s website for detailed information about this, and past billing index reports.

About AIA
Founded in 1857, AIA consistently works to create more valuable, healthy, secure, and sustainable buildings, neighborhoods, and communities. Through more than 200 international, state, and local chapters, AIA advocates for public policies that promote economic vitality and public well-being.
AIA provides members with tools and resources to assist them in their careers and business as well as engaging civic and government leaders and the public to find solutions to pressing issues facing our communities, institutions, nation, and world. Members adhere to a code of ethics and conduct to ensure the highest professional standards.

About Deltek
Better software means better projects. Deltek is the leading global provider of enterprise software and information solutions for project-based businesses and the home of AIA MasterSpec®. More than 30,000 organizations, including 12,000 Architecture & Engineering firms, rely on Deltek for superior levels of project intelligence, management, and collaboration. Our industry-focused expertise powers project success for A&E firms of all sizes by helping them achieve performance that maximizes productivity and revenue. Learn more at Deltek.

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