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At What Age Does Shoe Size Increase? An Overview of Foot Growth

By age 3, a child’s foot size can double from birth, going through approximately nine shoe sizes during this time. This rapid development often leads parents to wonder: at what age does shoe size increase and when does it stop? The process involves distinct phases, starting with rapid growth in infancy, a more gradual pace in childhood, and a final major spurt during puberty before stabilizing in early adulthood.