Developed annually through a partnership between LeadingAge and Ziegler, the LeadingAge Ziegler 200 [LZ 200] (Formerly 150) is a ranking and analysis of the nation’s 200 largest not-for-profit senior living organizations across the country as of December 31, 2021. This year’s report represents more than 306,000 market-rate units and nearly 1,600 market-rate communities across the country. It also outlines relevant business trends in the industry to showcase the variety of older adult services and offerings provided in this sector.