Married or single? Who has the advantage in retirement planning?

Source : 
http://blogs.reuters.com/reuters-money/2011/09/22/married-or-single-who-has-the-advantage-in-retirement-planning/
Date: 
September 22, 2011

The Academy provided statistics comparing the cost of living for single retirees and couples. The Academy said that a single person in retirement spends 70 to 75 percent of what a couple spends and that on a per-person basis, the cost of living for singles is 40 to 50 percent higher than for couples.

Media Outlet: 
Reuters