actually π€ 0 - 1 month are newborns 1- 12 months are infants, 1-3 years are toddlers, 3-5 years are preschooler, 6-12 year old person is a child, 13-18 year olds are adolescents, 19-35 year olds are young adults, 36-55 year olds are middle adults, older adults are 56-75 year olds and eldery people are 75+ years, UR Not WrONG AT ALL tHO