More Than Just “Late Bloomers”: Early Signs of Communication Delay Every Parent Should Know

“He’ll talk when he’s ready.” “She’s just the quiet type.”

For generations, well-meaning friends and family have reassured worried parents with phrases like these. While children do indeed develop at their own pace, the “wait and see” approach can sometimes delay crucial support for children with speech and language difficulties (Buschmann et al., 2008).

Communication is the foundation of human connection. It is not just about speaking words; it is about understanding, expressing needs, and interacting socially. When these skills lag significantly behind age-related norms, it is often classified as a communication delay or disorder.

Today, speech-language pathologists (SLPs) and researchers emphasize early identification. The goal isn’t to pressure children to perform, but to unlock their ability to connect with the world around them. Understanding the signs of communication delay is important to helping your child thrive.

Key points

• Prevalence: Communication disorders are among the most common disabilities in childhood. Speech Pathology Australia (SPA) reports that approximately 20% of children starting school in Australia have a speech, language or communication impairment.
• The “Late Talker” Distinction: A “late talker” is generally defined as a child between 18 and 30 months who has good understanding (receptive language) but limited spoken vocabulary. While some catch up, others may have a persistent language disorder (Telethon Institute for Child Health Research, 2008)

Understanding the Difference: Speech vs. Language

Before identifying signs, it is helpful to distinguish between speech and language, as delays can occur in one or both areas (American Speech-Language-Hearing Association, n.d.).

• Speech is the physical production of sounds (articulation, voice, fluency).
• Language is the system of words and symbols used to share ideas (vocabulary, grammar, understanding instructions).

A child might speak perfectly clearly (good speech) but struggle to put words into sentences (language delay). Conversely, a child might tell complex stories (good language) but be impossible to understand (speech delay).

From 0 to 12 Months

Communication starts long before the first word.

1. Lack of Babbling

By 6 to 9 months, babies typically engage in “canonical babbling” (e.g., “ba-ba” or “ma-ma”). Research indicates that a lack of complex babbling by 10 months can be a predictor of later language delays (Oller et al., 1999).

2. Limited Gestures

Before they speak, babies point, wave, and reach. A study found that the number of different meanings a child conveys through gestures at 18 months predicts their vocabulary size at 42 months (Rowe & Goldin-Meadow, 2009) Therefore, limited gesturing during toddlerhood (first 12-month) can be an important sign to watch for.

From 12 to 24 Months

This is often when parents first notice a gap between their child and peers.

1. Vocabulary Count

By 18 months, most children use at least 20 words. By 24 months, this typically explodes to 50+ words and two-word combinations (e.g., “Mommy up”). While milestones vary, research using the Language Development Survey confirms that children with fewer than 50 words or no two-word combinations by age 2 are at high risk for language delay (Rescorla, 1989)

2. Difficulty Following Directions

This relates to receptive language. If a 2-year-old cannot follow a simple one-step command without a gesture (e.g., “Get your shoes” without you pointing at the shoes), they may be struggling to process language (Paul & Norbury, 2012).

From 2 to 4 Years

As children begin to speak more, how they sound matters.

Intelligibility: This refers to how much of a child’s speech a stranger can understand.

• By age 2: ~50% intelligible.
  • By age 3: ~75% intelligible.
  • By age 4: ~100% intelligible (even if they make some sound errors).

If a 3-year-old’s speech is mostly unintelligible to unfamiliar listeners, it may indicate a speech sound disorder (Coplan & Gleason, 1988).

Conclusion

Identifying a communication delay can be emotional for parents, but knowledge is empowering.

The neuroplasticity of a young child’s brain means that early intervention is incredibly effective. Research consistently shows that earlier therapy leads to better long-term academic and social outcomes (Law et al., 2004). If you have concerns, trust your instincts and consult a speech-language pathologist. It is not about “fixing” a child, but giving them the voice they need to thrive.

At Patches, we are here to help. If your child is showing signs of communication delay, it may be best to consult an expert. For more information about speech and language assessments at Patches, click here.

To make a referral, click here.