Many moms and dads want to know if their baby’s height and weight are within the normal range in order to understand if their development is good. 22-month-old baby’s developmental indicators are as follows: 1. Height and weight indicators: the average height of a boy is 86cm and the average weight is 11.8kg, while the average height of a girl is 84.6cm and the average weight is 11.1kg; 2. Motor development indicators: able to walk, run, jump and squat skillfully, can climb onto a chair to get something or hold the railing to go up and down the stairs, can use a spoon to eat by themselves, carry a cup or draw a simple line with a pen; 3. Language development: pronunciation begins to be rich, its vocabulary is about 30-50 words, can simply express sentences containing different 3-4 words, such as don’t, my, I don’t want; at the same time, babies begin to understand the language of adults and associate to make corresponding actions, such as saying to the baby that it is time to eat, he can go to the table by himself.