Most parents who ask about speech and language development are not worried about a textbook. They are worried about their own child. Should a 2-year-old be putting words together? Is it normal that a 4-year-old still says “wabbit” for rabbit? The honest answer is that there is a wide normal range, and an early conversation with a Speech Pathologist is one of the simplest ways to know where your child is up to.
01 · First words
Speech and language development: what to look for at 12 months
The first birthday is often when parents start noticing speech and language development in earnest. By 12 months, many children understand more than they can say, and a few well-loved words start to appear alongside lots of pointing, babbling, and shared looks.
If your child is younger than 12 months, the foundations are pre-verbal: eye contact, taking turns, gestures, and babbling. We cover that earlier stage in a companion guide, pre-linguistic skills and early language.
By 12 months, children can usually:
- Understand about 10 familiar words
- Respond to their name
- Tune in to greetings and gestures like “hi” and “bye”
- Recognise a few familiar objects (teddy, bottle) and people (mum, dad, sibling names)
With speaking, children can usually:
- Use sounds, gestures, and a small number of words
- Babble strings of sounds like “ba ba ba” or “ba ma da”
- Copy familiar noises like animal sounds
What helps at home:
- Get face to face with your child and model simple words like “up” and “ball”
- Build words into your routines, like “shhhh” during bath time
- Model familiar words during the day: “ball, bottle, book”
- Leave a pause after you speak so your child has time to respond
- Play turn-taking games like peek a boo
02 · First sentences
What to look for at 2 years
By the second birthday, speech and language development often takes a noticeable jump. This is the year when single words turn into two-word and three-word phrases, and when parents often feel the language take off.
By 2 years, children can usually:
- Follow a basic two-part instruction like “give me the truck and the ball”
- Respond to basic questions like “what” and “where”
- Point to body parts when named (arm, eyes, ears)
- Understand simple prepositions like “in” and “on”
With speaking, children can usually:
- Say more than 50 different words
- Combine two words: “bye baby”, “more milk”, “no bottle”
- Use most vowel sounds and a range of consonants (m, n, p, b, k, g, h, w, t, d)
- Start using “no”, “my”, and “mine”
What helps at home:
- Give two choices so your child has a reason to use a word
- Pause and pretend you are not sure what your child wants, to encourage them to try a word
- Narrate what you are doing: “I am jumping”, “I am kicking”
- Add one more word onto what your child says. If they say “ball”, you say “big ball” or “red ball”
- Include packing-away time as part of the play routine, with simple words for each object
03 · First stories
What to look for at 3 years
The third year is when speech and language development often races ahead, and parents start to wonder, am I missing something. Children at this age usually have a lot to say but do not yet have all the tools to say it cleanly, and the gap can be frustrating for everyone in the room.
By 3 years, children can usually:
- Follow longer instructions, like a two-part request with an object and an action
- Understand basic wh-questions: who, what, where
- Recognise common colours (red, blue, green, yellow)
With speaking, children can usually:
- Put 4 to 5 words together
- Use a wide range of different words, including location, name, and action words
- Ask simple wh-questions: what, where, who
Some sounds are still developing at this age, and that is normal. Sounds like sh, ch, and j are commonly still tricky at 3, and later-developing sounds like r and th often are not clear until the early school years. What matters more is whether other people can mostly understand what your child is saying.
What helps at home:
- If your child is hard to follow, ask them to slow down and take a breath
- Ask them to show you what they want, then put it into words for them
- Model the sentence you think your child is trying to say: “Do you want me to open the box or close the box?”
- Take turns saying the words your child finds tricky
- If your child uses a different sound, offer a choice: “Do you want a pireman or a fireman?”
04 · First conversations
What to look for at 4 years
By the fourth year, speech and language development is well underway. Most children can hold a real conversation, follow a story, and start to play with language through jokes and made-up stories. Sentences get longer and grammar starts to sort itself out.
By 4 years, children can usually:
- Respond to questions about daily tasks and routines
- Understand a wide range of describing words (big, small, hot, cold, fast, slow)
- Follow a three-part instruction
- Understand simple time words like “today” and “tomorrow”
With speaking, children can usually:
- Use sentences of 5 or more words
- Tell a short story or recount what they did at the park or at preschool
- Use most consonants, with some still developing (r, th, sh, ch in some children)
- Ask “why” questions, and lots of them
- Use grammar markers like past tense (ran, went) and plurals (cats, dogs)
What helps at home:
- Have conversations during everyday moments: cooking, the school run, bath time
- Ask open-ended questions that need more than a yes or no
- Read together and ask “what do you think happens next”
- Notice and gently model grammar by repeating the sentence the right way, rather than asking your child to say it again
What parents do at home in these years is well-studied. A meta-analysis of 18 studies of parent-implemented language interventions found significant gains in receptive and expressive language across children with and without intellectual disability (Roberts & Kaiser, 2011). The strategies in this section are drawn directly from that approach.
05 · Ready for school
What to look for at 5 years, and when to ask for help
By 5, most children sound a lot like little adults, and their speech and language development is close to school-ready. They tell stories, follow multi-step instructions, ask plenty of questions, and use most speech sounds clearly. This is also the year before school for most children, which is when parents most often ask whether things are on track.
By 5 years, children can usually:
- Follow three-part instructions with multiple objects
- Understand most time words and sequencing words (first, next, last)
- Re-tell a short story with a beginning, middle, and end
- Use sentences of 6 or more words with mostly correct grammar
- Be understood by people outside the family most of the time
When to ask a Speech Pathologist for an opinion:
- Your child uses far fewer words than other children the same age
- People outside the family find your child hard to understand at 4 years and older
- Your child is frustrated by communication breakdowns most days
- Your child is leaving out the beginning of words (“at” for “cat”)
- Your child stutters and it is not settling, or it is causing distress
- You have a gut feeling something is off
You do not need a referral to see a Speech Pathologist. You can also speak to your child health nurse or GP, who can suggest local options.
Early help is one of the most consistently useful things in this area. A randomised trial of 97 toddlers with language delays found that a caregiver-implemented intervention produced significant gains in receptive language at short-term follow-up (Roberts & Kaiser, 2015). A systematic review of intervention for developmental language disorder (Rinaldi et al, 2021) reported that early, intensive intervention in 3 and 4 year olds has a positive effect on children’s speech-sound skills, with gains maintained in the medium term. The evidence is real, the effects are not dramatic in every case, and starting early gives a child the best run at it.
The Speech Pathology team at Optimum Health Solutions works with children from 12 months upwards across our paediatric-friendly clinics, including Blacktown, Liverpool, and Croydon Park. You can meet the team on the our team page. For children with more complex communication needs, our team also works with augmentative and alternative communication (AAC) and Key Word Sign.
Early help is one of the most consistently useful things in this area. You do not need a referral, and you can ask for an opinion any time you are unsure.
References
- Roberts MY, Kaiser AP. The effectiveness of parent-implemented language interventions: a meta-analysis. American Journal of Speech-Language Pathology. 2011;20(3):180-199. DOI).
- Roberts MY, Kaiser AP. Early intervention for toddlers with language delays: a randomized controlled trial. Pediatrics. 2015;135(4):686-693. DOI.
- Rinaldi S, Caselli MC, Cofelice V, et al. Efficacy of the Treatment of Developmental Language Disorder: A Systematic Review. Brain Sciences. 2021;11(3):407. DOI.
- Speech Pathology Australia communication milestones – Australian peak body. Communication Milestones Kit covering talking and understanding milestones for children 1 to 5 years.
