Speech & Language Milestones: A Checklist by Age

"Is this normal?" is the question we hear most often from parents of toddlers and preschoolers. Speech and language development has a wide normal range, but there are checkpoints worth tracking — not to panic over a single missed one, but to notice a pattern early.

By 12 months

• Babbles with changing sounds ("bababa," "mamama")
• Responds to their own name
• Uses gestures — waving, pointing, reaching to be picked up
• Understands simple words like "no" and "bye-bye"

By 18 months

• Says at least 10-20 single words
• Points to a few body parts or familiar objects when asked
• Follows simple one-step instructions ("give me the ball")
• Combines a word with a gesture ("more" while reaching)

By 24 months

• Vocabulary of 50+ words
• Starts combining two words ("more milk," "daddy go")
• Names familiar objects and pictures in a book
• Understood by familiar adults roughly half the time

By 3 years

• Speaks in short sentences of 3+ words
• Asks simple questions ("what's that," "where mama")
• Understood by unfamiliar adults most of the time
• Follows two-step instructions ("pick up the toy and put it in the box")

By 4 years

• Tells a simple story or recounts a recent event
• Uses grammar reasonably consistently (plurals, past tense)
• Asks and answers "why" and "how" questions
• Speech is understood by strangers nearly all the time

When to get an evaluation, not just wait

A single missed checkpoint rarely means much on its own — every child has their own pace. But a few patterns are worth acting on rather than watching:

• No words at all by 18 months, or fewer than 50 words and no two-word combinations by 24 months
• Loss of words or skills the child previously had, at any age
• Speech that remains largely unintelligible to strangers well past age 3
• Little interest in communicating at all — not just delayed words, but limited gesture, eye contact, or attempts to connect

A speech-language evaluation isn't a diagnosis of anything by itself — it's a clear picture of where your child is right now, and what would help them move forward fastest. The earlier that picture exists, the more options it gives you.