For more insight, check out the nanny info on the left. Well, you definitely have to be at least 18 years old. However, we suggest that you wait until you're at least 19. Some of the best nannies are older yet.
Experience is very important.
But it doesn't have to be nanny experience. You really should take a year or more and get some good baby-sitting or daycare experience if you don't have any or very little. The vast majority of nannies are female. Rarely do we have men trying to be placed. They are in-fact much much harder to place.