Gross absorption is the total square footage of new industrial leasing activity within a market over a given period, regardless of how much space was simultaneously vacated. Unlike net absorption, which nets out vacated space to show true demand change, gross absorption measures only the positive side of leasing activity, which can create a misleadingly rosy picture on its own.
Why gross absorption alone can mislead
A market can show strong gross absorption — lots of new leases signed — while simultaneously experiencing significant space vacated from closures, relocations, or downsizing, resulting in negative net absorption and a weakening market overall despite the busy gross leasing headlines. Gross absorption is still a useful measure of raw leasing activity and market velocity, but should always be considered alongside net absorption for a complete picture.
What to watch for before committing
Always pair with net absorption
Never rely on gross absorption alone — always check the corresponding net absorption figure for the same period to understand true demand direction.
Renewal vs new lease composition
Understand whether gross absorption figures include lease renewals or only new leasing activity, since methodologies can vary between data sources.
Single large transaction distortion
Recognize that one large lease can significantly skew a single period's gross absorption figure — look at trends over multiple quarters.
Submarket-level detail
Seek submarket-specific gross absorption data rather than relying solely on broader metro figures for site selection decisions.
Comparison across data sources
Ensure consistent methodology when comparing gross absorption figures from different research providers.
Relationship to overall leasing velocity
Use gross absorption as an indicator of overall market leasing velocity and activity level, distinct from net demand change.
When you need to know this
- Assessing overall market leasing activity — understanding total transaction velocity in a target market
- Avoiding misleading single-metric conclusions — pairing gross absorption with net absorption for a complete demand picture
- Evaluating broker or landlord marketing claims — critically assessing gross absorption figures cited to support a market's strength
- Comparing markets for overall activity level — using gross absorption alongside other metrics for comprehensive market comparison
Frequently asked questions
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