Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/27/2025

Developmental Milestones at 24 Months

Physical Development

  • A child who walks steadily and independently at 24 months is typically at a mature stage of walking development, with most children achieving independent walking by 14 months, and steady walking representing a refinement of gait patterns that develop after initial walking onset 1
  • Independent walking is achieved at an average age of 12 months, with 75% of children walking by 14 months 1, 2

Language and Cognitive Development

  • Speaking 4-6 words occurs at approximately 15 months of age, while speaking 10-15 words is achieved around 18 months, and two-word sentences emerge at 19 months, corresponding with a vocabulary of approximately 50 words 1
  • A child with a vocabulary of 6-10 words would fall between the 15-month and 18-month milestones, and the ability to count or know 6-10 words aligns with cognitive abilities at 24 months 1
  • Body part identification, requiring integration of receptive language, cognitive recognition, and motor coordination, typically emerges in the second year of life, with pointing to two body parts being a skill consistent with 24 months of age 1

Clinical Assessment

  • The combination of steady independent walking, vocabulary knowledge of 6-10 words, and pointing to two body parts represents a developmental profile most consistent with 24 months of age, with walking being mature and steady, expressive language continuing to develop, and body part identification being well-established 1

REFERENCES

2

Walking Development in Infants [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025