And the New York Times recently suggested that you should have 20x your annual salary stashed away.

FORBES: Retirement Savings Goals Should Be Based On Expenses Not Income

The site invites you to enter your annual salary.

NEWYORKER: The Miner��s Daughter

However, you may have the option of taking some of this pension as a tax-free lump sum when you retire, thereby reducing the annual pension you will receive thereafter to around half of your final salary.

BBC: purse and cash