Around 6 months, many parents begin to notice their baby becoming more interactive, expressive, and physically active, and may start wondering what is “on track” at this stage.
Written by: William Huynh, Director of Brighter Futures Allied Health
Published: 28 March 2026
Note: These milestones are based on functional allied health domains such as communication, movement, play, and daily skills. They differ from early childhood education frameworks like ACECQA or EYLF, which focus more on learning environments and curriculum outcomes. Functional milestones are used by clinicians to understand how a child is developing in everyday life, and whether additional support may be helpful.
Disclaimer: The information on this page is intended as general guidance only and should not replace professional medical advice, diagnosis, or treatment. If you have concerns about your child’s development or behaviour, speaking with a qualified healthcare professional is recommended.
At 6 months, many babies seem more “awake” to the world around them. You may notice your baby becoming more responsive, more curious, and more eager to interact with people and objects. This stage is often marked by a shift from passive observation to active engagement. Your baby is no longer just taking things in, they are starting to reach out, explore, and respond.
You might find that your baby is more vocal, making repeated sounds and reacting to your voice or expressions. There is often more movement too, with rolling, pushing up, and attempts to reach for things that catch their attention. Everyday moments, like feeding, playing, or making eye contact, can feel more connected and intentional.
At this age, development is centred around building the foundations for communication, movement, and relationships through simple, repeated interactions.
For a 6 month old, communication is not about words yet, but about building the foundations for language through sound, attention, and interaction.
Common milestones:
Why it matters: Babbling and sound play are early building blocks for speech. These patterns help babies practise the movements and rhythms needed for later words and conversation.
This stage is marked by rapid physical development. Babies are learning how to control their bodies and interact with their environment.
Common milestones:
Why it matters: Reaching, grasping, and rolling are foundational for coordination. These movements support later skills like crawling, feeding, and eventually writing.
At six months, play becomes more intentional. Babies are curious, exploring cause and effect and learning how the world responds to their actions.
Common milestones:
Why it matters: This type of exploration supports early problem-solving and learning. It lays the groundwork for attention, memory, and later play skills.
Social engagement becomes more noticeable at this age. Babies are developing relationships and beginning to participate in everyday routines.
Common milestones:
Why it matters: Social connection and routine participation are key to emotional development. These interactions help babies feel secure and build trust with caregivers.
“In the clinic, we often see that at six months, parents are unsure whether “quiet” babies are simply calm or missing early communication opportunities. One of the most important signs we look for is engagement. Even without words, babies should be showing interest in people, sounds, and interaction. A baby who is alert, responsive, and vocalising in their own way is building strong foundations for later communication.”
— William Huynh, MSPA-CPSP
Brighter Futures Allied Health Director
Every child develops at their own pace, but some red flags may indicate the need for a closer look. Consider seeking support if your baby:
Simple, everyday interactions can make a big difference at the 6 month mark.
Respond to your baby’s babbling by copying their sounds and adding new ones. This encourages back-and-forth communication.
Place toys just out of reach during tummy time to encourage rolling, reaching, and strengthening muscles.
Games like peek-a-boo or singing songs with actions help build attention, anticipation, and social connection.
If you’re starting to think about what comes next, there are a couple of simple ways to move forward.
If your baby is generally progressing and you’re simply looking to stay informed, you may also find it helpful to look at upcoming stages to see how development builds over time:
If you’re feeling unsure about your child’s development, speaking with a GP, a paediatrician, or an allied health provider can help clarify what’s happening and what support, if any, may be helpful.
William Huynh is a senior speech pathologist and the director of Brighter Futures Allied Health. He has over a decade of experience working with children and adults with complex communication needs, including disability, dysphagia, and acquired language impairments. William has completed specialist training in approaches such as Key Word Sign, LAMP Words for Life, Grid 3, and Hanen’s More Than Words. He also supervises speech pathologists and student placements, supporting evidence-based and family-centred practice.
