Why are baby boomers called silver tsunami?

The "Silver Tsunami" refers to the increasing number of baby boomers aging into senior citizen status. There are so many each year, many more than in the past, that they are already making a major impact on all facets of life in the United States and beyond

• from real estate, savings concerns, reverse mortgage loans etc.

to senior care needs, worry about the growing number of Alzheimer's Disease patients, retirement facilities, and more. Many believe that it will be an overwhelming issue in the decades to come bringing new financial advantages but also causing strains on an already overburdened economy.