Communication: What Percentage Is Body Language?

Where does the 55% figure originate?

You may have heard that body language accounts for 55% of all communication. This statistic is widely quoted in training courses, business presentations and self-help books. But where does it actually come from, and should we take it at face value?

The figure originates from research conducted by Professor Albert Mehrabian at UCLA in 1967. His studies looked at how people interpret the emotional meaning behind spoken messages, specifically when verbal and nonverbal cues contradicted each other.

Mehrabian's research produced three percentages for how we judge someone's feelings or attitudes when their words and delivery seem inconsistent:

• Words themselves: 7%
• Tone of voice: 38%
• Body language: 55%

These percentages have been misinterpreted to mean that nonverbal communication accounts for 93% of what we understand from another person in all situations.

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Why these numbers need context

Mehrabian's findings have been widely misunderstood. His experiments dealt specifically with communicating emotions and attitudes when mixed signals were present. The studies used single spoken words, not full conversations or complex discussions.

If someone is giving you factual instructions or explaining a technical process, the actual words matter far more than 7%. The percentages apply specifically to situations where someone's words contradict their tone or expression. In those moments of inconsistency, we tend to trust tone and body language over the literal words.

Mehrabian himself has repeatedly stated that his findings are taken out of context and applied far too broadly. This point deserves emphasis, given how often the statistics appear without qualification.

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What body language can and cannot tell us

Body language remains a significant part of how we read other people. Facial expressions, posture, eye contact and gestures all contribute to the impression someone makes. These signals often reinforce or contradict what is being said verbally.

However, interpreting body language is not straightforward. Cultural differences play a role, as do individual habits and specific situations. Crossed arms might indicate defensiveness, or the person might simply be cold. A lack of eye contact could suggest dishonesty, nervousness, or simply reflect a different cultural norm.

Reading body language accurately usually requires looking at clusters of signals rather than single gestures, and considering the context carefully.

Implications for everyday communication

The 55% statistic serves as a useful reminder that how we say things matters, sometimes more than the words we choose. Being aware of your own body language and tone can help you communicate more clearly, particularly in situations where trust or emotional understanding is involved.

That said, treating the percentages as fixed rules for all communication would be a mistake. They offer a general principle rather than a precise formula. Mehrabian's research addressed a narrow question about emotional messaging with contradictory cues, not the full spectrum of human interaction.

In everyday conversations, words, tone and body language work together. The balance between them shifts depending on what you are trying to communicate and who you are speaking with.

The Next Step

Now that you have read through the advice above, you might want to put it into practice. Our Body Language Decoder lets you describe a situation and find out what the body language signals really mean. From crossed arms and lack of eye contact to fidgeting and mirroring, get a clear expert interpretation. Try it now →