A toddler is a child approximately 1 to 3 years old, though definitions vary. [1][2][3] The toddler years are a time of great cognitive, emotional and social development.

Jan 12, 2026 · What Is the Difference Between a Toddler and Preschooler? The toddler stage generally lasts from 1 to 3 years old. Children are considered preschoolers when they're 3 to 5 years old.

Your child is a toddler between their first and third birthdays. During that time, they should grow and develop new abilities and meet certain milestones.

Jan 28, 2026 · As a parent you give your children a good start in life—you nurture, protect, and guide them. Learn about developmental milestones, including emotional and social development, for …

From teethers and toys to sippy cups and beyond, all the items you’ll need to help your baby transition to big-kid status. Toddler behavior can be notoriously erratic. Read about toddler development, …

Track your toddler's developmental milestones with toddler month by month—from first steps to potty training, we cover everything to know about toddler's progress from 13-36 months.

Here's how to care for your toddler, understand your little one's changing body and behavior, get tips for play and activities, and more.