Over 670+ senior living communities in 41 states.

Brookdale Senior Living Solutions owns and operates retirement homes across the United States. The company was established in 1978 and is based in Brentwood, Tennessee. It is the largest operator of senior housing in the United States, with over 60,000 residents.

Number and Size of Communities ​T​here are approximately 30,600 assisted living communities with nearly 1.2 million licensed beds in the United States today.

Brookdale Senior Living is the largest senior housing company in the United States. In fact, they have more units under management than the next 3 largest providers combined. Their portfolio includes assisted living, independent living and memory care based units.

Keren Wilson, who has a Ph. D. in gerontology and is the creator of the concept of assisted living as we know it in the U.S. Dr. Wilson opened the first assisted living facility in Oregon in 1981.

California, Florida, and Texas have the highest numbers of older adults. Wyoming, Delaware, and South Carolina have the most inbound movers citing retirement as the main reason for moving. Florida is home to 15 of the top 25 U.S. cities with the highest percentages of 65+ residents.

The Villages Florida - World's Biggest Retirement Community.

Topping the list of largest assisted living providers are Brookdale (31,570 assisted living units), Sunrise (13,924) and Five Star (11,308), all of which maintained their rankings from last year's report.

Senior living is a concept that encompasses a range of housing and lifestyle options for ageing persons adapted to the challenges of health issues associated with ageing, such as limited mobility and susceptibility to illness.

​There are more than 800,000 Americans residing in assisted living. The majority of these residents are the "oldest old," or age 85 and older, female, and non-Hispanic white. Residents often need help with only a few activities of daily living and do not require 24-7 skilled nursing care.

Here are the top 10 U.S. cities for retirees, according to U.S. News & World Report:

• Lancaster, Pennsylvania.
• Harrisburg, Pennsylvania.
• Pensacola, Florida.
• Tampa, Florida.
• York, Pennsylvania.
• Naples, Florida.
• Daytona Beach, Florida.
• Ann Arbor, Michigan.

These Are the 5 Best Countries for a Comfortable Retirement

• Switzerland.
• Portugal.
• Australia.
• New Zealand.
• Spain.