{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"observations","count":1,"filters":{"market":"us-rental-housing-access","matched":true,"marketId":"mkt-housing","slug":"us-rental-housing-access","name":"U.S. rental housing access"},"rows":[{"id":"obs-housing-2026","marketId":"mkt-housing","year":2026,"hhi":null,"concentrationClass":null,"totalMarketSize":22.7,"marketSizeUnit":"million cost-burdened renter households","sourceNotes":"Harvard JCHS reports 22.7 million cost-burdened renter households in 2024; Freddie Mac estimates a 3.7 million-home supply shortage as of Q3 2024; GAO reports selected local institutional single-family rental ownership aggregates.","dataStatus":"incomplete","confidenceLevel":"medium","calculationMethod":"hhi_withheld_local_market_data_gap","sourceId":"jchs-rental-housing-2026","sourceUrl":"https://www.jchs.harvard.edu/press-releases/new-report-finds-cooling-rental-markets-affordability-crisis-deepens-renters","sourceName":"America's Rental Housing 2026","sourcePublisher":"Harvard Joint Center for Housing Studies","dataYear":2024,"methodologyNote":"HHI is withheld because rental housing competition is local and the current public records in this profile do not provide comparable firm-level local rental market shares.","notes":"Profile shows affordability, supply, and selected ownership facts while naming the missing local firm-level data needed for concentration screens.","sourceProfileHref":"/sources/jchs-rental-housing-2026"}]}