Most children are potty trained between the ages of two and four. Some are ready sooner; others take longer and may not be ready to potty train until age five.
You may get some more details of Potty Training Tips for Parents in my blog here below:
http://my-baby-toy.blogspot.com/2009/04/100-most-popular-baby-names-of-2008.html
Potty training is an art unto itself. Typically it is best to wait to attempt it until the child is expressing the interest and ability to try it. When parents push potty training things usually backfire. Potty training pants are a wonderful invention and aid in the process, however should only be used when the signs are all there that a child is ready to start.
The widely debated topic of when to start potty training has been discussed on numerous occasions. Because of the diversity in the development of children, the average range for potty training should be anywhere from between 18 months to 3 years.
Most people start potty training around this age. It really is all up to you. However if you are going to start potty training make sure you switch to a toddler bed if you havent already that way he will be able to get up and go when he needs to.
Starting potty training at 12 months can be effective by introducing a potty chair, establishing a routine, praising successes, and being patient and consistent with the process.
You can start trying to potty train your child by about 2 yrs old. The child should be completely trained about 2 1/2 years of age.
Potty training a child at 12 months is early, as most children are not developmentally ready at that age. However, you can start by introducing a potty chair, encouraging your child to sit on it, and praising them for any successful attempts. Keep in mind that consistency, patience, and positive reinforcement are key.
At 2 /12-3years of age
Most children begin potty training sometime around 18 months to three years of age. Every child is different and you shoul make sure your child understands what their body is doing before you start training
A dog can be trained at any age. Ideal training age is 7 - 20 weeks which is the Socialization Period. As soon as you get your pup, training should be started, i.e. potty training, as the sooner you start, the less chance your pup has of developing bad habits which can be hard to break. See link below for dog training videos that you can use from puppyhood right through your dogs life.
if my calculations are correct.....i say that the age for NASA's training is as soon as you are potty trained.....jk......until you are 30
i think it is the age of 4 months to start training but not guarding training you will find how to train and the best time for training in this blog http://yourdogtraner.blogspot.com/
When your child is about 2. It is best to make sure that they understand what to "look" for or feel so that they know when its time to go to the potty. --ALSO-- In the toddler's stages of about 2-3. They are able to grasp a sense of repetition. As they say, practice makes perfect! You can start potty training your child as early as 1.5 years old. The benefit is that he/she will not resist too much. But it gonna takes longer time. If you want to start at the age of 2, it's OK. It saves time but your child will not corporate.