Toddler: 1–3 Years18 Month Old Milestones: What Your Toddler Should Be Doing (And When to Check In)
18 month old milestones span walking and running, vocabulary of 10–25 words, fine motor coordination, and emotional independence. Learn what’s normal, how to support development at home, and which red
Soyeon Park·May 10, 2026·14 min read