Developed annually through a partnership between LeadingAge and Ziegler, the LeadingAge Ziegler 200 (LZ 200) is a ranking and analysis of the nation’s 200 largest not-for-profit senior living organizations across the country as of December 31, 2022. This year’s report represents more than 300,000 market-rate units and nearly 1,600 market-rate communities across the country. The report also highlights the largest single-site providers, the largest providers of Affordable Housing for seniors and the providers who are providing sizeable management services to other senior living & care communities.