If you have any reservation about learning any new thing in your life (including meditation), you need to read this infographic.
Here is an interesting infographic from MindValleyAcademy.com that gives an interesting account of those who made it big after reaching 40. Just read it
Speaking specifically about meditation, it is the real art of learning about the real you- the identity behind the person you watch everyday in your mirror. There is never a best time to learning meditation than NOW.
Take inspiration from these people and make meditation a part of your life. You are never too old for it.