Around this age, many parents begin to notice stronger opinions, clearer communication, and a growing sense of independence. Here’s what to expect as your toddler develops.
Written by: William Huynh, Director of Brighter Futures Allied Health
Published: 03 April 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 18 months, many toddlers are becoming more expressive, mobile, and determined in how they move through the world. You may notice your child communicating more clearly through a mix of words, gestures, and actions, often letting you know exactly what they want (and what they don’t). This stage often marks a shift from early participation to growing independence and self-expression.
There is often a strong drive to explore at this age. Your child may be walking more confidently, climbing, and getting into everything within reach. Play becomes more purposeful, with simple pretend actions and imitation of everyday routines. Alongside these, emotions can feel bigger too, as toddlers are still learning how to manage frustration, excitement, and boundaries.
At 18 months, communication is becoming more intentional and functional. Toddlers are starting to use words alongside gestures to express needs, share interest, and interact with others.
Common milestones:
Why it matters: Vocabulary growth and pointing are key signs of communication development. They show your child is learning to share attention, understand language, and express themselves.
Physical skills at this age support independence and exploration. Toddlers are becoming more confident in moving through their environment.
Common milestones:
Why it matters: These movements allow toddlers to explore, play, and participate more actively in daily life. Fine motor skills also support feeding and early independence.
Play becomes more meaningful and reflective of everyday life. Toddlers begin to understand how objects are used and start to imitate what they see.
Common milestones:
Why it matters: Pretend play and imitation are early signs of symbolic thinking. These skills are important for language development, learning, and social understanding.
At 18 months, toddlers are developing a stronger sense of self and participating more in daily routines.
Common milestones:
Why it matters: Emotional expression and routine participation are key parts of development. These experiences help toddlers build independence, resilience, and social understanding.
“At 18 months, big emotions are common as toddlers are still developing self-regulation skills. Fatigue, hunger, overstimulation, or difficulty with movement and coordination can all contribute to frustration. What may look like a behavioural issue is often a reflection of how a child is processing and responding to their environment.”
— William Huynh, MSPA-CPSP
Brighter Futures Allied Health Director
Every child develops at their own pace, but some signs may be worth exploring further. Consider seeking support if your child:
Simple, everyday activities can support your toddler’s development at this stage.
If your child says “ball”, you can model “big ball” or “throw ball” to build language.
Use toys like dolls, cups, or toy food to model simple actions like feeding or drinking.
Give simple choices (e.g. “apple or banana?”) to encourage communication and decision-making.
As you get to know your child’s development, you might be wondering what to look for next.
If your child is generally progressing and you’re simply looking to stay informed, you may also find it helpful to look at other stages to see how development builds over time:
If you’ve noticed some of the red flags mentioned earlier or are feeling unsure, a developmental screening 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.
