Week-by-week library · 19 months old

Month 19

Quick answer

What is my baby up to at 19 months old?

This month, a pretend phone call might be the most serious conversation of the day.

Last reviewed 2026-08-28 by This Week Baby editorial team

What's developing

Cognition

Pretend play often grows more elaborate, talking on a toy phone, pretending to cook, feeding a stuffed animal a full meal.

Motor

Running and climbing continue to get more coordinated with practice.

Communication

Understanding often runs well ahead of speaking at this age; toddlers frequently follow multi-step requests they cannot yet verbally describe.

Try this together this week

  • Join a pretend play scenario as a willing participant, not just a spectator.
  • Try simple two-step instructions ("pick up the ball and bring it to me") to test the growing comprehension.
  • Offer safe climbing structures at a playground for supervised practice.
  • Narrate your own actions out loud during routines; toddlers absorb a lot passively.

What parents often notice

A toddler who seems to understand everything but says relatively little is following one of the most common and well-documented language patterns at this age.

Sourced to

  • Zero to Three, Early Development guides

Last reviewed by the This Week Baby editorial team.

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