Start saving as of today. :

It's never too early or too late to start planning for your retirement. Define your retirement lifestyle, fix your goals so that you will be motivated to achieve them. Starting early, you will invest less and accumulate more.

E.g.: Nader & Sami are saving 50$/month for their retirement. Nader started at the age of 40 and Sami at 30. At retirement the savings of Nader will reach 49,000$ while Sami's savings will attain 125,000$ because he started at an earlier age and thus he had more time to multiply his retirement amount.