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Early Signs of Speech and Language Delay at 18–24 Months
By 18–24 months most toddlers understand a lot, gain new words steadily, and begin joining two words. Early signs of speech and language delay include very few words, little gesture, not following simple instructions, or losing words once used — reasons for a friendly developmental check, not alarm, since early support works very well at this age.
In this answer 5 sections
Between 18 and 24 months, words usually start arriving in a rush — so when they don't, many parents quietly wonder if they should wait or act.
In short
By 18–24 months most toddlers understand far more than they say, are picking up new words steadily, and are beginning to join two words together. Gentle early signs of a speech and language delay include very few spoken words, little gesture, not following simple instructions, or seeming not to understand everyday talk. These are reasons for a friendly developmental check — not alarm — because early support works beautifully at this age.
Signs worth watching
Understanding (receptive language)
- Doesn't follow simple one-step instructions like "give me the ball" by around 18 months
- Rarely points to familiar things when named ("Where's the doggy?")
- Seems not to respond to their name or to everyday words
Talking (expressive language)
- Fewer than around 10–20 words by 18 months, or fewer than 50 by 24 months
- Not combining two words ("more milk", "daddy gone") by 24 months
- Loses words or babble they once used — this always deserves a prompt check
Social communication
- Little use of gestures — waving, pointing, showing
- Limited back-and-forth babble or eye contact during play
A simple first step alongside this is a hearing check, since glue ear and hearing dips are a common, very treatable cause.
The science, briefly
The 18–24 month window is when toddlers typically move from single words into a fast vocabulary "burst" and early word combinations. WHO ICD-11 groups these patterns under 6A01 (developmental speech or language disorders). A delay does not predict a child's intelligence or future — many late talkers catch up, and those who need support respond best when it begins early.
The Pinnacle way
A clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre, under the care of a qualified clinician — never from an online list. Our team uses a warm, structured assessment to map your child's communication strengths and next steps, then shapes a plan through speech therapy built around play. You can read more about speech and language delay and what helps.
Trusted sources
Aligned with WHO ICD-11 (6A01), the CDC's "Learn the Signs. Act Early." milestones, the Indian Academy of Pediatrics, the American Academy of Pediatrics, and RBSK developmental screening guidance.
Next step — if any of these signs feel familiar, book a developmental check with the Pinnacle team on WhatsApp: +91 91001 81181.
This is general information, not a diagnosis — individual assessment and diagnosis require an appropriately qualified healthcare professional.
CONNECT THE ANSWER TO YOUR CHILD’S DAY
Something to notice. Something to discuss.
What to notice
Seek a prompt check if your toddler loses words or babble they once had, isn't combining two words by 24 months, or doesn't respond to their name — and ask for a hearing test, as ear problems are a common, treatable cause.
In everyday life
Narrate your day in short, clear words and pause to give your toddler a turn — name what they look at, repeat their attempts back slightly expanded ("ball" → "big ball"), and read picture books daily.
Bring your observations and questions to your child’s professional. Choose activities that suit your child’s comfort, abilities and agreed plan.
Bring your questions to a first visitQuestions families ask
How many words should an 18-month-old say?
Many 18-month-olds say around 10–20 words, but the range is wide. More important than an exact count is steady progress — adding new words over time, understanding everyday requests, and using gestures like pointing and waving.
My toddler understands everything but barely talks — is that a problem?
Strong understanding is reassuring, and some children are simply late talkers who catch up. Still, if your child says very few words or isn't combining two words by 24 months, a gentle developmental check is worthwhile so you have clarity and early support if needed.
Could a hearing problem cause speech delay?
Yes. Even mild or fluctuating hearing loss, often from glue ear, can slow speech and language. A hearing check is a sensible first step alongside any developmental assessment, as it is common and very treatable.
Is it too early to start speech therapy at 18 months?
Not at all. Early, play-based support is highly effective at this age and often involves coaching parents in everyday talk and play, building on your child's natural strengths.
FOLLOW THE SOURCE
References behind this answer.
- Source referenceWHO ICD-11 · Developmental speech or language disorders
- Source referenceCDC — Learn the Signs. Act Early.
- Organisation website · further readingAmerican Academy of Pediatrics (HealthyChildren.org)
References are supplied with this answer. An organisation homepage offers further reading; it does not establish an independent review of this page.
Content attribution: SETU Consortium · Pinnacle Blooms Network.
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