
Last updated 2026-07-10
TL;DR
Most babies say their first recognizable word between 10 and 14 months, and 12 months is the milestone pediatricians cite most. By 24 months, most toddlers use at least 50 words and put two words together. Missing these windows by several months is a real signal. It's a reason to get an evaluation, not to panic, and not to wait and see either.
What is the normal age range for a toddler to start talking?
Most children say their first true word between 10 and 14 months, and the American Academy of Pediatrics uses 12 months as the benchmark [1]. But "first word" has a real definition in speech-language pathology. It means a sound or approximation the child uses on purpose, consistently, to mean one specific thing. Not babble that happens to land on "mama" once.
After that first word, vocabulary crawls and then races. Most children have about 50 words by 18 to 24 months, and somewhere around 18 months a "vocabulary spurt" often kicks in where a kid adds several new words a week [2]. Two-word combinations like "more milk" or "daddy go" usually show up between 18 and 24 months [1].
By age three, a child usually has 200 to 1,000 words and strings together simple sentences. A stranger, not a parent, should understand about 75 percent of what a three-year-old says [3].
These ranges are wide on purpose. Kids develop at genuinely different rates, and a child who says a first word at 15 months can be completely typical. The ranges tell you more when you read the whole picture: gestures, comprehension, social back-and-forth, and play, not the word count by itself.
What are the speech and language milestones from birth to age 3?
Here's a plain-language version of the milestones the American Speech-Language-Hearing Association (ASHA) and the AAP publish [1][3]:
| Age | What most children do |
|---|---|
| 0-3 months | Coos, startles to sound, recognizes caregiver's voice |
| 4-6 months | Babbles with repeated syllables ("bababa"), laughs, takes turns vocalizing |
| 7-9 months | Varies pitch and volume, imitates sounds, responds to own name |
| 10-12 months | First word or word approximation, waves bye-bye, points to objects |
| 12-18 months | 5-20 words, points to communicate, imitates new words |
| 18-24 months | At least 50 words, begins two-word phrases, names pictures in books |
| 24-30 months | Two- to three-word sentences, vocabulary growing fast, 50% intelligible to strangers |
| 30-36 months | Short sentences, asks simple questions, 75% intelligible to strangers |
Two things matter as much as the word count. Comprehension almost always leads production. A 12-month-old who understands "get your shoes" and "where's daddy" but says only two words is in a very different spot than a 12-month-old who neither speaks nor seems to understand. And joint attention, the loop of looking at something, pointing, then looking back at you, is one of the earliest and most predictive signs of healthy language [4].
Parents watching for words often miss gestures. By 12 months, most children point, wave, and hold objects up to share them. A 12-month-old with no gestures at all is showing a real early warning sign even if the babble sounds fine [3].
What counts as a late talker, and how common is it?
A late talker is usually a child between 18 and 30 months who has fewer words than expected but has age-appropriate comprehension, play, and social engagement [5]. Researchers separate this from a broader language delay, where comprehension lags too.
About 15 to 20 percent of two-year-olds are late talkers by this definition [5]. Of those, roughly half to two-thirds catch up on their own by age 4 or 5. Researchers call them "late bloomers." The rest keep having language difficulty without help.
Here's the uncomfortable part. No parent, pediatrician, or speech-language pathologist can look at a 20-month-old and say for sure which group that child lands in. The research has hunted for predictors. Kids who catch up tend to have stronger comprehension, more gestures, and a few word combinations already emerging. But those are probabilities, not promises.
"Wait and see" has a real price when a child turns out to be in the group that won't catch up. Early intervention services, federally mandated for children under 36 months under Part C of the Individuals with Disabilities Education Act, work best the earlier they start [6]. Watching a 20-month-old until 30 months burns ten months of possible therapy time.
If a 24-month-old has fewer than 50 words or no two-word phrases, ASHA recommends an evaluation by a speech-language pathologist, not another six months of watching [3].
What are the red flags for a speech or language delay?
Most pediatricians screen for speech and language at well-child visits, but you see your child every day and often catch something first. These are the signs to take seriously instead of explaining away:
By 12 months: no babbling, no gestures (waving, pointing), no response to their name.
By 16 months: no single words at all.
By 24 months: fewer than 50 words, no two-word phrases, and a stranger understands almost nothing.
At any age: losing speech or language skills the child already had. This one is urgent. Regression is always a reason to call a doctor now, not later.
There are subtler things parents talk themselves out of. A child who seems to understand everything but won't speak may have childhood apraxia of speech, a motor planning problem rather than a language problem. A child who recites TV lines word for word but doesn't use language to ask for things or share feelings may be showing echolalia, worth exploring with a professional. You can read more about echolalia and what it means for communication.
When social milestones are also missing (limited eye contact, no pointing to share, a strong pull toward playing alone), the picture may involve autism, and early evaluation matters even more [4].
Does bilingual exposure delay talking?
No. Bilingual children hit speech milestones at the same ages as monolingual children once you count words across both languages [3][10].
Picture a bilingual two-year-old with 25 words in English and 30 in the home language. That's 55 total, squarely in the typical range. Count only the English, and the same child looks like a late talker when nothing is wrong.
Here's what's real. Bilingual children may mix languages inside a sentence (code-switching), and they may know fewer words in each single language than a monolingual peer. Neither is a problem. That's how bilingual brains work, not a disorder.
If you're worried about your bilingual child's speech, find a speech-language pathologist who evaluates in both languages, or who at least understands bilingual development. An English-only evaluation gives you the wrong answer.
When should I actually call a speech therapist?
Pediatricians differ a lot on referrals. Some send you to a speech-language pathologist fast. Others default to "give it a few more months." Use a simpler rule: if your child is missing a milestone by two or more months, at minimum ask your pediatrician about an evaluation, not another check-in in six.
For the 16-month-old with no words, don't wait until 24 months. For the 24-month-old with fewer than 25 words and no combinations, don't wait until age three.
Your pediatrician can refer you, but in most states you can also go straight to a speech-language pathologist yourself. If your child is under 36 months, you can call your state's Early Intervention program directly, no referral needed, and federal law requires them to evaluate within 45 days of your request [6].
A private speech therapy evaluation usually costs $150 to $350 for the initial assessment, though it varies by region and insurance. Early Intervention services come at no cost or on a sliding scale, depending on your state [6].
One thing I'd tell a friend: don't spend three months online talking yourself down from the ledge. If your gut says something is off, call. An SLP will either find a real delay and help, or tell you it all looks typical. Both beat waiting.
How does a speech-language pathologist evaluate a toddler's speech?
A toddler evaluation looks nothing like a school-age language assessment. It's mostly play. The SLP watches how the child works with toys and people, answers questions, starts communication, and uses the body (pointing, showing) alongside words.
Standardized tests do less for very young children than for older ones. A toddler having a rough day, or shy around a stranger, scores differently than they would at home on a good day. A solid evaluator pairs standardized measures with a caregiver interview and real observation of play.
Parents often worry a clinic won't capture the real kid. Bring a short video from home, your child at their verbal best during something familiar like bathtime or a meal. SLPs genuinely want it.
After the evaluation, the SLP usually tells you whether the child qualifies for therapy (based on how far behind they are), the likely areas of concern, and what a plan might look like. They can't diagnose autism or other neurodevelopmental conditions, but they can and should send you to a developmental pediatrician if they see features that warrant a closer look.
If your child qualifies for early intervention, services often happen at home or in childcare, exactly because familiar places pull out more real communication than an office does.
What can parents do at home to help a toddler start talking?
You have more pull on early language than most people think, and the strategies that work aren't complicated. They just need repetition.
Talk during routines. Bath, meals, diaper changes: narrate what you're doing in plain words. "Now I'm washing your feet. Cold water. There's the soap." This input, called self-talk and parallel talk, builds vocabulary through repetition in context [7].
Follow the child's lead. If your toddler is locked in on a truck, talk about the truck. Words attached to what a child already cares about stick better than words pushed on an adult's schedule.
Wait and expect. After you say something or offer a toy, pause and look at your child like you expect an answer. That silence is where they get to start the exchange. Many parents fill every gap and accidentally close those openings.
Expand, don't correct. If your child says "dog," you say "big dog" or "dog running." You model the next step up without making them feel wrong.
Sing. Songs and rhymes run through the brain differently than plain conversation and tend to hook toddlers, including kids with language delays.
Cut screen time, especially under 24 months. The AAP recommends no screen media except video chat for children under 18 months, and no more than one hour a day of good programming for ages 2 to 5 [1]. Background TV is its own problem: even when the child isn't watching, it drops the amount of speech aimed right at them.
If your child is in speech therapy, the home strategies the SLP hands you are not optional extras. Research keeps showing that parent-run strategies between sessions make therapy work noticeably better [7].
Does talking late mean my child might be autistic?
Speech delay is one possible feature of autism, but the two aren't the same, and most late talkers are not autistic. Late talking is common (15 to 20 percent of toddlers). Autism affects about 1 in 36 children in the United States, per CDC surveillance data reported in 2023 [4].
The autism features that tend to travel with speech delay are specific: reduced eye contact, pointing or showing mainly to request rather than to share, not turning to their name, little imitation of actions or sounds, and narrow or repetitive play. A child who's simply late to talk but connects socially, points to share, copies you readily, and plays with variety shows a very different profile than a child whose late talking sits inside autism.
Still, catching autism early matters a lot for getting the right supports, including autism spectrum speech therapy built around how autistic children learn to communicate. If a developmental pediatrician or SLP raises it, follow up even though the idea is frightening.
For children with real communication differences, from autism, apraxia, or another cause, augmentative and alternative communication (AAC) tools support language rather than replace it. The old fear that AAC devices slow speech doesn't hold up; the research points the other way [8]. You can learn more about AAC devices and how they work with young children.
What is childhood apraxia of speech, and how does it differ from a typical speech delay?
Childhood apraxia of speech (CAS) is a motor speech disorder. The brain has trouble planning and coordinating the movements for speech, even though the muscles aren't weak or damaged [9]. That makes it different from a typical expressive language delay in ways that matter.
A child with CAS often understands language well and has plenty to say, but the attempts come out inconsistent and effortful. The same word lands differently every time. Vowels are frequently off, which is less common in a typical speech sound disorder. Kids with CAS usually respond to therapy, but they need a specific kind, high repetition and particular techniques, and it takes longer than most parents expect.
CAS gets misread early as ordinary late talking, and that can mean months in therapy that doesn't fit the child. If your two- or three-year-old has very limited, effortful, inconsistent speech (words shift each attempt instead of settling into a stable simpler form), ask an SLP whether CAS belongs on the table. A full article on childhood apraxia of speech covers diagnosis and treatment in more depth.
How does early intervention actually work, and is it effective?
In the United States, Part C of the Individuals with Disabilities Education Act (IDEA) requires every state to provide early intervention to eligible children from birth through 35 months who have developmental delays or conditions likely to cause them [6]. The law says services happen in the child's "natural environment," which means home or childcare, wherever the child usually is.
To get started, a parent can call the state's Early Intervention program directly or come in through a pediatrician. The program then has 45 days to finish an evaluation. If the child qualifies, the family builds an Individualized Family Service Plan (IFSP) that spells out the services, how often they happen, and the family's goals.
For speech delays, that usually looks like an SLP working with the child and coaching parents to support communication inside daily routines. Frequency depends on the state and the child's needs, often one to two sessions a week for mild to moderate delays.
Does it work? A Cochrane review on speech and language therapy for children found meaningful gains in vocabulary and expressive language, and stronger results when parents ran strategies at home [7]. The timing point is clear: earlier is better. A child who starts at 18 months has more runway for neural plasticity than one who starts at 30 months.
At age three, children move from Early Intervention to their local school district's preschool special education under Part B of IDEA, if they still qualify [6].
For families who want more frequent practice, or who live where SLPs are scarce, apps like Little Words give you a way to screen for delays and fold structured language practice into daily routines, between sessions or while you wait for an evaluation.
Will my late talker catch up on their own?
Maybe. The honest version is that research gives you probabilities, not a verdict for your specific child.
The most-cited figure: roughly 50 to 70 percent of late talkers (kids behind only in expressive language, not comprehension or social development) catch up to peers without formal help by age 5 [5]. That's where the "late bloomer" idea comes from, and it's real.
The other 30 to 50 percent keep having language difficulty. There's a quieter problem too. Some children who looked caught up by age 5 later show differences in reading, spelling, or more complex language [5]. Matching word count by kindergarten isn't always the end of the story.
Things that predict catching up: stronger receptive language (understands a lot even while saying little), more gestures, a few word combinations already emerging, and no family history of lasting language difficulty.
My honest take. Even if the odds favor your child catching up alone, the math on evaluating is easy. An evaluation takes about two hours. It either rules out a problem or finds one early enough to act on. The cost of evaluating and hearing "everything's fine" is almost nothing.
Frequently asked questions
At what age should a toddler start talking?
Most children say a first recognizable word between 10 and 14 months, with 12 months the commonly cited milestone. By 18 months, most toddlers have 5 to 20 words. By 24 months, most have at least 50 words and combine two words. These are ranges, not deadlines, but missing them by several months is worth raising with a pediatrician or speech-language pathologist.
Is it normal for a 2-year-old not to talk?
A two-year-old with very few or no words is behind the typical range and should be evaluated by a speech-language pathologist. About 15 to 20 percent of toddlers are late talkers, so it isn't rare, but it isn't something to wait out. ASHA recommends that a child with fewer than 50 words or no two-word phrases at 24 months be seen by an SLP.
What is the difference between a speech delay and a language delay?
A speech delay means trouble producing sounds and words clearly. A language delay means trouble understanding language, using it to communicate, or both. Many children have one without the other. A child who understands everything but says little has an expressive language delay. A child who neither speaks much nor seems to understand has a mixed receptive-expressive delay, which tends to be more significant.
Can screen time cause a speech delay?
Heavy screen time links to less language input and slower vocabulary growth in young children, but the research doesn't show it causes speech disorders. Background TV cuts the amount of child-directed speech a child hears, which matters for development. The AAP recommends no screen media except video chat under 18 months, and no more than one hour a day of quality programming for ages 2 to 5.
How many words should an 18-month-old have?
At 18 months, most children have between 10 and 50 words. The AAP and ASHA both flag fewer than 10 words at 18 months as a reason to seek evaluation. Word count isn't the whole story: a child who points, gestures, imitates sounds, and clearly understands language is in a different spot than one who is also behind in comprehension and social communication.
Does being bilingual delay speech in toddlers?
No. Research consistently shows bilingual children reach speech milestones at the same ages as monolingual children once vocabulary is counted across both languages. A bilingual toddler with 25 words in one language and 30 in another has 55 total, which is typical. If you seek an evaluation for a bilingual child, make sure the SLP assesses in both languages or understands bilingual development.
When should I worry that my toddler isn't talking?
Act on it instead of worrying: if your child has no words by 16 months, fewer than 50 words by 24 months, no two-word combinations by 24 months, or loses speech skills at any age, request an evaluation from a speech-language pathologist. You don't need a pediatrician referral to reach Early Intervention if your child is under 36 months; call your state's program directly.
What causes a toddler to be a late talker?
There's rarely one clean answer. Late talking can come from hearing loss (rule this out first), expressive language delay with no known cause, a motor speech disorder like apraxia, autism, or global developmental delay. A large share of late talkers have no identifiable cause and catch up on their own. An evaluation helps narrow down which situation fits a specific child.
What is the earliest age a child can receive speech therapy?
There's no minimum age. Under Part C of IDEA, speech-language therapy through Early Intervention is available from birth. Infants with known risk factors, such as a cleft palate, Down syndrome, or significant prematurity, can begin services before anyone expects a first word. Earlier intervention consistently produces better outcomes than later intervention.
Can a toddler understand words before they can say them?
Yes, and that's normal. Receptive language (understanding) develops ahead of expressive language (speaking). A 12-month-old who understands 50 words may say only 2 or 3. As long as comprehension tracks normally, a small expressive vocabulary is less concerning than if comprehension is also behind. An evaluating SLP always assesses both.
Does talking to your baby more actually help them talk sooner?
Yes, and the research here is strong. The amount and quality of child-directed speech a child hears in the first three years is one of the best predictors of vocabulary size and later language. Talking through daily routines, narrating what you do, reading aloud, and running back-and-forth "conversation" with a preverbal baby all feed language development in a real way.
My toddler used to say words and then stopped. What does that mean?
Losing words or language skills a child already had is called regression, and it's always a reason to call your pediatrician promptly rather than wait. Language regression can tie to autism, a medical illness, a big stressor, or other developmental changes. It's not a phase to shrug off. Write down which words your child had and when the loss started before your appointment.
How is childhood apraxia of speech different from a regular speech delay?
Childhood apraxia of speech is a motor planning disorder where the brain struggles to coordinate the movements for speech, even though the child understands language and has things to say. Unlike a typical expressive delay, words come out inconsistently each attempt rather than in a stable simpler form. It needs a specific, intensive kind of speech therapy. You can read more in the childhood apraxia of speech article on this site.
Sources
- American Academy of Pediatrics, Developmental Milestones: First word milestone at 12 months; two-word phrases by 18-24 months; screen time recommendations for children under 18 months and 2-5 years
- American Speech-Language-Hearing Association, Speech and Language Developmental Milestones: Vocabulary spurt around 18 months with several new words per week; 50-word vocabulary by 18-24 months
- American Speech-Language-Hearing Association, Speech and Language Developmental Milestones: ASHA milestone ranges including 50-word vocabulary by 24 months, 75% intelligibility by age 3, gesture use by 12 months, and recommendation for evaluation when milestones are missed
- CDC, Autism Spectrum Disorder Data and Statistics: 1 in 36 children identified with autism spectrum disorder per CDC ADDM Network surveillance reported in 2023; joint attention as early indicator
- Rescorla, L. (2011). Late talkers: Do good predictors of outcome exist? Developmental Psychology, 47(2), 556-558: Approximately 50-70% of late talkers catch up by age 5; factors predicting catch-up include stronger receptive language and gesture use; persistent language differences in some apparent late bloomers
- U.S. Department of Education, IDEA Part C Early Intervention Program: IDEA Part C requires evaluation within 45 days of referral, services in natural environment, available from birth through 35 months; Part B covers children aged 3 and up through school districts
- Cochrane Database of Systematic Reviews, speech and language therapy for children with language problems: Early speech and language intervention produces meaningful gains in vocabulary and expressive language; parent-implemented strategies increase effectiveness; earlier intervention produces better outcomes
- American Speech-Language-Hearing Association, Augmentative and Alternative Communication: AAC does not impede speech development; research supports AAC use to support rather than replace natural speech in young children
- American Speech-Language-Hearing Association, Childhood Apraxia of Speech: Definition of CAS as a motor speech disorder involving difficulty planning and coordinating speech movements; characteristics including inconsistent speech errors and vowel distortions
- ASHA, Bilingual and Multilingual Populations: Bilingual children reach speech milestones at same ages as monolingual peers when total vocabulary across both languages is counted; code-switching is typical, not a disorder
