Comparison

Physical vs Economic Vacancy

Physical vacancy measures empty units. Economic vacancy measures lost rent value, including concessions, bad debt, and below-market occupancy effects.

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Quick Answer

Use physical vacancy to understand occupancy. Use economic vacancy to understand income loss.

Best for

Physical vacancy is best for unit availability tracking.

Also compare

Economic vacancy is better for NOI and valuation analysis.

Watch out

A property can look highly occupied but still have meaningful economic vacancy through concessions or unpaid rent.

Occupied but discounted units

If 95% of units are occupied but many tenants receive concessions, physical vacancy looks low while economic vacancy can still reduce effective income materially.

Key Metrics

Vacant units
Gross potential rent
Concessions
Bad debt

Common Mistakes

Tracking only unit count
Ignoring concessions
Excluding collection losses

Frequently Asked Questions

When should I use Physical vs Economic Vacancy?

Use physical vacancy to understand occupancy. Use economic vacancy to understand income loss.

Which calculator should I open next?

Start with Vacancy Rate Calculator, then use the related calculator workflow to validate the result from another angle.

Continue the workflow

Use this guide with the full Property Performance Calculators

Return to the hub to compare related calculators, export report workflows, and move into adjacent guide pages.

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