When compared to other animals, humans grow more slowly. This is because the human brain is vast and complicated, so it takes longer to develop according to anthropologists.
Also, our brain demands a lot of energy that slows down body growth.
For example: between the ages of 4.5 and 5, brain glucose uptake is the greatest and at the same time weight gain process is the lowest for the body.
Therefore, due to the high demand for energy by the human brain, humans grow slowly.