Home
»
Development
»
17 Month Old Milestones: Walking, Words, Sleep, and What to Expect

17 Month Old Milestones: Walking, Words, Sleep, and What to Expect

Updated

Awake seventeen month old toddler walking and playing in a bright room during the day
Rachel Rothman, Co-Founder and Chief Parenting Officer at Betteroo

Written By

Rachel Rothman

Chief Parenting Officer

Dr. Meidad Greenberg, Board-Certified Pediatrician and Pediatric Medical Advisor at Betteroo

Medically Reviewed By

Meidad Greenberg, M.D.

Board-Certified Pediatrician

At seventeen months, most toddlers are walking well and starting to run, saying several words, pointing to show you things, following simple directions, and copying everyday chores like sweeping.

Seventeen months sits between the fifteen and eighteen month checkpoints that pediatricians commonly use. Your toddler is turning into a determined little person with strong opinions, new words arriving, and a drive to do things themselves.

This guide walks through the movement, language, thinking, and social milestones typical around seventeen months, how sleep and naps shift, and the signs worth mentioning to your pediatrician.

Key Takeaways

  • Most 17 month olds walk well, are starting to run, and may climb and walk up steps with help.
  • Expect several words plus lots of pointing, gestures, and imitation of chores.
  • Toddlers this age follow simple directions and love to copy what you do.
  • Most 17 month olds need about 11 to 14 hours of sleep across a night and one nap.
  • Ranges are wide, so focus on steady progress and raise any concerns with your pediatrician.

Movement and Physical Milestones

By seventeen months, walking is usually well established, and many toddlers are beginning to run, though it often looks more like a fast, stiff legged shuffle at first. Your toddler may walk up a few steps with a hand held, climb onto low furniture, squat to pick up a toy and stand back up, and carry objects while walking.

Hands are more capable too. Many toddlers this age can stack a couple of blocks, scribble with a crayon, drink from an open cup with some spills, and use a spoon with growing, if messy, success.

  • Walks well and is beginning to run.
  • Walks up steps with help and climbs onto low furniture.
  • Scribbles, stacks a couple of blocks, and self feeds with a spoon.
  • Squats to pick up toys and stands back up without support.

Language and Communication

Language is expanding, though the range is wide. Many seventeen month olds use several words, and some are on the edge of a vocabulary burst that arrives closer to eighteen to twenty four months. Others rely more on pointing and gestures, which is still normal. Understanding continues to run ahead of speaking.

Following simple directions is a key milestone now. Your toddler may bring you an object when you ask, point to a body part, and copy new words. Pointing to show you something interesting, not just to request it, is an important sign of healthy social communication.

  • Says several words and tries to copy new ones.
  • Points to share interest and to ask for things.
  • Follows simple one step directions without a gesture.
  • Points to a familiar object or body part when asked.

Struggling with your baby’s sleep?

A personalized plan meets your baby where they are, at every age and stage.

Take the Free Sleep Quiz

Thinking, Social, and Emotional Milestones

Seventeen month olds are eager imitators and budding pretend players. They copy chores like sweeping or wiping, push a toy car along the floor, and try to use objects the right way, holding a phone to their ear or a spoon to their mouth. This copying is exactly how they learn.

Big feelings come with this age. Toddlers are testing independence, which means both proud new skills and frequent frustration when they cannot do or say what they want. Clinginess, separation anxiety, and early tantrums are all common and normal. Your toddler may show affection freely and check your reaction before trying something new.

Sleep and Naps at 17 Months

Most seventeen month olds need roughly eleven to fourteen hours of sleep in a full day, including night sleep and one nap. By this age, many toddlers have already moved to a single afternoon nap, and most others are in the middle of that transition, which commonly settles between fifteen and eighteen months.

The move from two naps to one can temporarily unsettle both naps and nights, and eighteen months is a common window for a sleep disruption tied to new skills, molars, and a bigger drive for independence. Our sleep regression ages guide maps these windows, and our baby sleep schedule by age guide shows realistic wake windows and bedtimes.

A consistent, calming bedtime routine is one of the most reliable tools at this age. If tantrums and bedtime resistance have crept in, keeping the wind down predictable helps your toddler settle. Our 14 month milestones guide covers the stage just before this one.

When to Talk to Your Pediatrician

Most seventeen month olds who lag on one skill are simply on their own timeline. Still, raise these with your pediatrician:

  • Not walking on their own.
  • Not using any words or copying words and sounds.
  • Not pointing to show you things or following simple directions.
  • A loss of skills your toddler previously had.

Early checks are always worthwhile. Often you will get reassurance, and if extra support would help, an early conversation makes it easier to arrange.

Frequently Asked Questions

What milestones should a 17 month old have?

Many 17 month olds walk well and start to run, say several words, point to share interest, follow simple directions, copy chores, and scribble. Ranges are wide, so some skills may arrive a little earlier or later and still be normal.

How many words should a 17 month old say?

Often several, though some toddlers use just a few words and rely more on pointing and gestures, which is still normal. A big vocabulary burst often arrives between about 18 and 24 months. Mention it to your pediatrician if your toddler uses no words by 18 months.

Should a 17 month old be walking?

Yes, most are walking well by 17 months and beginning to run. If your toddler is not yet walking independently at this age, it is worth checking in with your pediatrician to be safe.

How much sleep does a 17 month old need?

Most need about 11 to 14 hours of total sleep across a night and one nap. Many have moved to a single afternoon nap by this age, with the two to one transition commonly settling between 15 and 18 months.

Why is my 17 month old suddenly not sleeping?

Common culprits include the two to one nap transition, the 18 month sleep disruption tied to new skills and independence, molars, and separation anxiety. A consistent, calming bedtime routine and age appropriate wake windows usually help you ride it out.

Milestones and sleep in one plan

Get a personalized plan built around your toddler’s stage, naps, and temperament.

Take the Free Sleep Quiz

4 Sources
  1. Centers for Disease Control and Prevention. Learn the Signs. Act Early. Developmental Milestones.
    https://www.cdc.gov/act-early/milestones/index.html
  2. American Academy of Pediatrics, HealthyChildren.org. Ages and Stages.
    https://www.healthychildren.org/English/ages-stages/Pages/default.aspx
  3. Paruthi S, et al. Recommended Amount of Sleep for Pediatric Populations: A Consensus Statement of the American Academy of Sleep Medicine. Journal of Clinical Sleep Medicine, 2016.
    https://jcsm.aasm.org/doi/10.5664/jcsm.5866
  4. Iglowstein I, et al. Sleep Duration From Infancy to Adolescence: Reference Values and Generational Trends. Pediatrics, 2003.
    https://publications.aap.org/pediatrics/article/111/2/302/28983
Table of Contents