When do babies start walking?

Most babies take their first independent steps between 9 and 15 months, with 12 months being the average. If your baby isn't walking by 18 months, talk to your pediatrician.

When do babies say their first words?

Most babies say their first meaningful words around 12 months. Common first words include 'mama', 'dada', and 'no'. By 16 months, most babies have at least one word.

Should I be worried if my baby misses a milestone?

Every baby develops at their own pace, and there's a wide range of 'normal.' Missing one milestone isn't usually cause for concern. However, if your baby is consistently behind or loses skills they previously had, talk to your pediatrician.

Development

Baby Milestones

Every baby develops at their own pace. Here's what to look for — and when to talk to your pediatrician.

Motor SkillsCognitiveSocial & EmotionalLanguage

2 months

🏃 Motor Skills

Head Control

Head control is one of your baby's first major motor milestones. By around 2 months, most babies can briefly hold their head up during tummy time. This foundational skill is essential for sitting, rolling, and all later movement.

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💛 Social & Emotional

Social Smile

A social smile is one of the earliest social milestones — a genuine smile in response to your face or voice. Unlike reflexive newborn smiles, social smiles show that your baby is beginning to recognize and respond to the people around them.

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4 months

🏃 Motor Skills

Rolling Over

Rolling over is a thrilling milestone that usually begins around 4 months. Most babies roll from tummy to back first, then master back to tummy a month or two later. This milestone marks the beginning of independent mobility.

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🏃 Motor Skills

Reaching and Grasping

By about 4 months, babies begin intentionally reaching for and grasping objects. This milestone shows growing hand-eye coordination and marks the transition from reflexive to purposeful movement.

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💛 Social & Emotional

Laughing

That first real laugh is unforgettable. Around 4 months, babies start laughing out loud — a sign of developing social awareness and emotional expression. Laughter shows your baby understands surprise and anticipation.

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6 months

🏃 Motor Skills

Sitting Up

Independent sitting is a game-changer — it frees up your baby's hands for play and exploration. Most babies sit with support around 5 months and independently by 6-7 months. Strong core muscles and balance make this possible.

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🗣️ Language

Babbling

Babbling — repeating consonant-vowel combinations like 'ba-ba' or 'da-da' — is one of the earliest signs of language development. It shows your baby is experimenting with sounds and learning the rhythm of conversation.

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7 months

💛 Social & Emotional

Stranger Anxiety

Stranger anxiety is a healthy sign that your baby has formed strong attachments and can distinguish familiar people from strangers. It typically appears around 7-8 months and shows sophisticated social and cognitive development.

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8 months

🧠 Cognitive

Object Permanence

Object permanence is the understanding that things still exist even when hidden from view. This cognitive breakthrough usually emerges around 8 months and is why peek-a-boo becomes so exciting — your baby now understands you're still there.

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9 months

🏃 Motor Skills

Crawling

Crawling is your baby's first real form of independent transportation. While some babies skip traditional crawling in favor of scooting, rolling, or cruising, most begin crawling on hands and knees around 9 months.

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🏃 Motor Skills

Pincer Grasp

The pincer grasp — picking up small objects between the thumb and forefinger — is a fine motor milestone that enables self-feeding and later skills like writing. It typically develops around 9-10 months.

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10m

10 months

💛 Social & Emotional

Waving Bye-Bye

Waving bye-bye is a social gesture milestone that shows your baby understands social conventions and can imitate purposeful actions. It usually appears around 10 months and is one of the first true communicative gestures.

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🏃 Motor Skills

Pulling to Stand

Pulling to stand is a major step toward walking. Around 10 months, babies use furniture, people, or anything sturdy to pull themselves upright. This builds leg strength and balance needed for cruising and walking.

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🧠 Cognitive

Understanding Cause and Effect

Around 10 months, babies begin to understand that their actions produce specific results. Pressing a button makes music play, dropping food makes it fall — this cause-and-effect understanding is foundational for problem-solving.

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12m

1 year

🗣️ Language

First Words

Hearing your baby's first intentional word is one of parenting's most magical moments. Around 12 months, most babies say 1-3 words with meaning — usually 'mama', 'dada', or 'no'. This marks the true beginning of verbal communication.

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🏃 Motor Skills

Walking

Those first wobbly independent steps are a milestone parents never forget. Most babies take their first steps between 9 and 15 months, with 12 months being the average. Walking opens up a whole new world of exploration.

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18m

18 months

🧠 Cognitive

Pretend Play

Pretend play — feeding a doll, talking on a toy phone, or 'cooking' in a play kitchen — emerges around 18 months. This milestone reflects sophisticated cognitive development: imagination, symbolic thinking, and understanding of social roles.

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🏃 Motor Skills

Running and Climbing

By 18 months, toddlers are becoming more confident on their feet and start running (with that adorable toddle) and climbing on furniture, stairs, and playground equipment. This shows advancing gross motor skills and spatial awareness.

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24m

2 years

🗣️ Language

Two-Word Phrases

Around 24 months, toddlers begin combining two words into simple phrases like 'more milk', 'daddy go', or 'big truck'. This marks a leap from labeling to true communication — expressing wants, observations, and ideas.

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💛 Social & Emotional

Parallel Play

Parallel play — playing alongside other children without direct interaction — is a normal stage of social development around age 2. Toddlers are interested in peers but haven't yet developed the skills for cooperative play.

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This information is based on CDC developmental milestones and is for informational purposes only. Every child develops differently. If you have concerns about your child's development, consult your pediatrician.