Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Percentile
Medically reviewed by Min Clinic Staff | Updated: January 2026
Percentile: The percentage of individuals in a group who have achieved a certain quantity'such as height, weight, or head circumference'or a developmental milestone. For example, the fiftieth percentile for walking well is 12 months of age.