Compare REITs with similar property types and business models, then assess FFO and AFFO per share and their trends, debt using clearly defined measures, and occupancy alongside rents and leasing trends. No single metric—or industry average—shows whether a REIT is financially sound or a suitable investment.
Start with comparable REITs
A self-storage REIT, an office landlord, and a data-center operator do not have identical operating economics. Compare companies with similar property sectors and business models before treating a difference in occupancy, leverage, or growth as meaningful. Align reporting periods, and use per-share figures for FFO and AFFO when available so that changes in share count do not obscure operating trends.
Look at multiple periods rather than one quarter. A current figure tells you where a company stands; the trend helps show whether its operations and finances are improving or weakening.
What FFO tells you—and what it does not
Funds from Operations (FFO) is a supplemental performance measure intended to be read alongside GAAP net income. Under Nareit’s definition, it starts with GAAP net income and adjusts for specified real-estate depreciation and amortization, property-sale gains and losses, certain change-in-control items, and certain real-estate impairment write-downs. Those adjustments can make operating comparisons more useful because depreciation based on historical property costs may not reflect current changes in property value. FFO does not replace GAAP results. Nareit’s FFO definition explains the measure.
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Compare FFO on the same basis, for the same period, and preferably per share. Check the issuer’s reconciliation to GAAP net income and note how FFO has changed over time. A headline FFO figure without its basis or trend is not enough to judge performance.
FFO also is not cash flow or proof that a company can pay a dividend. Nareit’s Best Financial Practices Council stated in its FFO Discussion Paper that FFO “was not intended to sanction deviations from GAAP net income; not to be used as a measure of cash flow; nor to signify a REIT’s ability to pay a dividend.” Consider cash needs and dividend coverage separately.
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How to compare AFFO without assuming it is standardized
Adjusted FFO (AFFO) is commonly used to approximate recurring or normalized FFO after additional adjustments. These may include recurring expenditures that are capitalized and amortized—such as maintenance-related property costs, tenant improvements, or leasing costs—as well as adjustments for straight-line rents. But AFFO has no standardized definition, so two companies’ figures may not be directly comparable just because both use the same label. Nareit’s AFFO overview describes common adjustments and this limitation.
Read each company’s reconciliation before comparing AFFO or calculating an AFFO-based dividend payout ratio. Check what each issuer treats as recurring capital spending, how it adjusts rents, and whether its per-share AFFO trend holds up across periods. If methods differ materially, say so rather than presenting the two reported figures as equivalent.
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Compare debt by definition and financing structure
“Debt” is not a single comparable ratio. Debt-to-assets, debt-to-market-assets, debt-to-capitalization, and debt/EBITDA use different denominators and cannot be substituted for one another. Identify the ratio, its denominator, and the reporting date before comparing companies.
Then examine how the debt is financed and when it comes due. Maturities, weighted-average borrowing rates, fixed-versus-floating exposure, secured-versus-unsecured borrowing, and interest or fixed-charge coverage help describe the risk behind the leverage figure. Coverage measures also need definitions: do not assume an industry aggregate and a company figure calculated differently are directly comparable.
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For context, Nareit’s Q2 2026 REIT Industry Tracker reported 34.4% debt-to-market-assets leverage for U.S. listed REITs, a 5.8-year weighted-average debt maturity, a 4.2% weighted-average interest rate on total debt, and 89.8% of total debt at fixed rates. These are dated market aggregates, not targets or safe limits for an individual REIT. Nareit’s September 2026 REIT Industry Financial Snapshot reported a 34.4% debt ratio and a 4.5x coverage ratio, using balance-sheet data as of Q2 2026. Use the snapshot’s definitions and date when making comparisons.
Read occupancy with rent and leasing information
Occupancy indicates how much of a REIT’s relevant property capacity is occupied under the company’s stated definition. Higher occupancy can support revenue, but it does not by itself establish property quality or durable cash flow. Read the company’s calculation and trend alongside rent changes, leasing activity and costs, tenant retention, and property type. Nareit’s investor guidance identifies higher occupancy and rents as direct sources of revenue growth.
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Nareit’s Q2 2026 tracker reported 93.8% occupancy for all U.S. equity REITs. This is an industry aggregate, not a universal target: sectors, portfolios, and company calculation methods differ. The same tracker reported 12.4% year-over-year FFO growth for the U.S. listed REIT market; treat that as a period-specific market figure, not a forecast or a company-level expectation. The tracker provides the stated period and scope for these figures.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.A practical comparison sequence
- Choose peers. Select REITs with similar property sectors and operating models.
- Align periods and units. Compare matching reporting periods; review FFO and AFFO per share and their trends over multiple periods.
- Inspect reconciliations. Check each issuer’s FFO reconciliation to GAAP net income and its company-specific AFFO adjustments before comparing the measures or payout ratios.
- Define the debt comparison. Name the leverage ratio and denominator, then review maturities, borrowing rates, fixed-versus-floating exposure, secured debt, and coverage.
- Put occupancy in context. Compare the company’s own trend with rent growth, leasing activity and costs, and tenant retention.
- Assess the wider investment picture. Review GAAP results, dividend payout and cash needs, valuation, expected return, asset values, management, and corporate structure. Nareit lists these as relevant factors in its guidance on investing in REITs.
What these metrics cannot decide on their own
There is no universal occupancy or debt cutoff in these measures that ranks every REIT. Nor is there a standardized AFFO calculation or a single ranking formula that turns FFO, AFFO, debt, and occupancy into a buy decision. Use them as parts of a consistent comparison, and investigate differences in definitions, property mix, financing, and cash needs before drawing a conclusion.
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