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Lying, 'fibbing' and telling 'tall tales' is part of normal childhood behaviour and development.
Your child may not know what is real and what is imaginary.
As your child grows up, they will start to understand what truth is. Their sense of right and wrong will develop by about the age of 9 or 10 years.
Telling the truth is something that children learn over time.
Children may tell lies for a number of reasons. These reasons will change as they grow up.
They might lie because they:
You can try to understand why your child might have lied. This way, you can support them to tell the truth.
Before 3 years of age, your toddler will not understand what lying is. If they tell a lie, they may think they are telling the truth.
At 3 to 4 years of age, your child will start to understand that others can't hear their thoughts.
They may have a strong imagination and may tell more lies. For example, they may make up stories to blame someone for something. This is a normal behaviour.
At around this age, your child may be eager to please their loved ones. They will be tempted to lie to avoid making you upset or angry.
Younger children in the early years of school want to please their parents more than they want to do the 'right thing'. They may tell lies to avoid disappointing you.
Older children may tell a 'white' lie to protect someone's feelings. For example, they may pretend to be grateful for a gift they don't really like.
If you notice your child lying, start by trying to understand why. They may have a reason for not telling the truth.
You can help them to stop lying by:
Tell your child that telling the truth is important to build trust.
You can help teach your child that there is a difference between truth and imagination. For example, if your child tells you a made-up story, you can praise their imagination.
It's also important to teach your toddler that the truth can hurt people. As they grow, they will learn when it is polite to use a small lie.
Try to explain these things to your child when they are calm and able to listen to you.
Try not to get upset if your child lies. Instead, help them feel safe enough to be truthful. Assure them that you will not be angry if they tell the truth.
You can teach them other ways to deal with things. Here are some examples:
Do not label your child a liar or accuse them of mistakes. Remember, they are still learning, so you need to be patient while they develop their skills.
Good relationships are based on trust, which requires honesty. You can encourage your child to be honest by making clear that your family values honesty.
If your child tells the truth, praise them for it.
You can help set a good example, by:
Children may decide not to tell the truth because they aren't ready to share a serious issue like bullying. They may lie to:
You should speak with your doctor or child health nurse if:
If a child tells you about something serious like abuse, it's important to support them by:
If you think a child is being abused, you should think about contacting the authorities in your state or territory.
If your child has a delay in their development, they may find it hard to understand what the truth is.
Visit firstfiveyears (Opens in new tab) or Karitane (Opens in new tab) to learn more about emotional development in young children.

Call Pregnancy, Birth and Baby to speak to a maternal child health nurse on 1800 882 436 (Opens in new tab) or video call. Available 7am to midnight (AET), 7 days a week.
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Last reviewed: August 2025