A 19-month-old who isn’t talking yet is not unusual, but it does warrant attention. Roughly 10 to 15 percent of toddlers qualify as “late talkers,” meaning they have fewer words than expected for their age despite otherwise normal development. By 18 months, most children say around 10 to 15 words, know the names of familiar people and objects, and follow simple commands paired with gestures. If your child isn’t hitting those marks, the gap between where they are and where the milestones suggest they should be is worth exploring, not ignoring.
What 18 to 24 Months Should Look Like
Language development between 18 and 24 months moves fast. At 18 months, the expectation is roughly 10 to 15 words, recognition of body parts and familiar names, and the ability to follow a simple direction when you use a hand gesture along with it. By 24 months, that word count jumps to 50 or more. Two-year-olds typically combine words into short phrases like “more milk” or “go bye-bye,” and a caregiver should be able to understand what they’re saying at least half the time.
Words aren’t the only thing that matters here. At 19 months, a child should also be pointing at things to show you something interesting, not just to ask for what they want. They should be able to follow a one-step direction without you needing to gesture at all, like handing you a toy when you simply say “give it to me.” These nonverbal communication skills are just as important as spoken words when gauging whether development is on track.
Why Some Toddlers Talk Later
There’s rarely one single cause. Late talking can stem from something as straightforward as temperament and individual variation, or it can signal something that benefits from early support. Here are the most common factors.
Hearing problems. Even mild, intermittent hearing loss from chronic ear infections or fluid buildup in the middle ear can interfere with language. Research shows that both the severity and the duration of hearing loss matter, and that deficits in language skills can persist even after the ear problem itself resolves. If your child has had repeated ear infections, this is one of the first things to rule out.
Screen time. Children under about 22 months have been shown to be unable to learn new words from television, even child-directed programming, while picking up similar words easily in real-life interaction. Toddlers who watch two or more hours of child-directed TV per day are more than six times as likely to have lower communication scores compared to the same amount of adult-directed background TV. Both the total amount of screen time and how early it starts are linked to language delays.
Bilingual households. This one is widely misunderstood. Bilingual children are not more likely to have language delays, disorders, or learning difficulties than monolingual children. They often know fewer words in each individual language, which can look like a delay on a single-language vocabulary test. But when you count the unique concepts they know across both languages (without double-counting translations like “dog” and “perro”), their total vocabulary is roughly the same as a monolingual child’s. If a bilingual 19-month-old seems behind, bilingualism itself is not the explanation.
When It’s Just a Late Start vs. Something More
The distinction that matters most at this age is between a child who is slow to talk but communicates well in other ways, and a child who struggles to understand language or connect socially. A “late talker” in the classic sense has limited expressive vocabulary but understands what you say, makes eye contact, points, gestures, and clearly wants to interact with you. Many of these children catch up on their own. In one well-known study tracking late talkers over time, more than half still had delayed sentence structure at age three, but by age four, only about 29 percent continued to show significant delays compared to peers.
Autism spectrum disorder looks different. Children with autism tend to have more trouble with receptive language, meaning they struggle to understand what’s being said to them, not just to produce words. They may repeat phrases in an unusual, echoing way (echolalia), speak with atypical rhythm or tone, have difficulty understanding humor, or show limited interest in sharing attention with you. Repetitive behaviors and restricted interests are additional markers. A child with a simple speech delay, by contrast, typically has stronger receptive language and fewer of these social and behavioral differences.
That said, some overlap exists. Children with language delays do show slightly more difficulty with social interaction and some repetitive behaviors compared to typically developing children. This is why a professional evaluation matters. The patterns are subtle, and a trained eye can distinguish them far more reliably than a checklist.
Getting an Evaluation
In the United States, every state runs an Early Intervention Program for children from birth to age three. You do not need a doctor’s referral to access it. Parents can contact the program in their county directly, and the evaluation is provided at no cost to the family.
Once you make a referral, you’ll be assigned a service coordinator who walks you through the process. Your child will receive what’s called a multidisciplinary evaluation, meaning professionals from different specialties assess your child together. The evaluation covers five areas: learning and thinking, physical development (including vision and hearing), communication, social and emotional skills, and self-help abilities like feeding. It includes an interview with you about your concerns and your child’s daily life, a health assessment with hearing and vision screening, and a review of any relevant medical records.
Children with certain diagnosed conditions are automatically eligible for services. For everyone else, the evaluation team determines whether your child meets the threshold for a developmental delay. If they do, the team works with you to create a plan that typically includes speech therapy sessions, often delivered in your home.
What You Can Do at Home Right Now
The most effective language-building strategies don’t look like formal teaching. They look like attentive conversation woven into your normal routine.
- Narrate what your child is doing. This is sometimes called “parallel talk.” If your toddler is stacking blocks, you say “you’re stacking the blocks, the red one goes on top.” The key is matching your words to what your child is already focused on, so they can connect the words they hear to the things they see, touch, and experience in real time. Research consistently links this kind of sensitively timed, specific narration to vocabulary growth.
- Expand on their attempts. When your child points at a dog and says “da,” you respond with “yes, that’s a dog! Big dog.” You’re not correcting them. You’re showing them the fuller version of what they were already trying to say. Studies show that parents who elaborate on the meaning they think their child is conveying, even when the child only produces a gesture or a sound, see stronger language development over time.
- Pause and wait. After you ask a question or offer a choice, give your child several seconds of silence to respond. Many parents fill the gap too quickly. That pause creates space for your child to attempt a word, a gesture, or a vocalization, and it signals that you expect them to participate in the exchange.
- Imitate them back. When your toddler babbles or attempts a word, repeat it back. Contingent imitation of a child’s own utterances has been shown to support language development. It also reinforces the idea that their sounds have power and meaning.
Reducing screen time, especially passive viewing, and replacing it with interactive play gives your child more of the real-time, back-and-forth exchanges that screens cannot replicate. Reading together counts too, especially when you let your child turn the pages and point at pictures while you name what they’re looking at.
The Case for Acting Early
It’s tempting to wait and see. Many late talkers do catch up, and well-meaning relatives will often tell you not to worry. But “many catch up” also means a significant portion don’t, and the children who benefit most from speech therapy are the ones who start early, while their brains are in the most rapid period of language development. An evaluation at 19 months doesn’t commit you to anything. It gives you information. If your child is fine, you’ll have that reassurance. If they qualify for support, you’ll have started at exactly the right time.