Fewer and fewer American workers can still look forward to the income security in retirement that a defined benefit pension provides. The big insurance companies are aware of this, and so many of them are now offering products that allow investors to build their own pensions. Sales of deferred-income annuities more than doubled from 2012 to 2013.

It’s impossible to know for sure whether buying one of these annuities is a good idea or not, simply because most people don’t know how long they’ll live. But if you have some concern about outliving your savings, you could view the annuity as longevity insurance.

The New York Times featured an overview of the increasingly popular product in their June 6, 2014 newspaper. You can read the entire article here.