90% by age 5
Young children’s brains are developing rapidly. At birth, the brain is 25% adult size, but reaches 80% by age 3 and 90% by age 5.
Early Care & Education
90% by age 5
Young children’s brains are developing rapidly. At birth, the brain is 25% adult size, but reaches 80% by age 3 and 90% by age 5.