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Suicide warning signs

13-minute read

If you, or someone else, are at immediate risk of suicide, call triple zero (000) and ask for an ambulance.

Key facts

  • Suicide is when you end your own life on purpose.
  • Suicidal behaviour is any actions or thoughts relating to suicide, including making plans to end your life.
  • You may have a higher risk of suicide if you have a mental illness, go through stressful life events or have previously attempted suicide.
  • Many people will show warning signs before they attempt suicide — they may feel hopeless or spend less time with friends and family.
  • If you or someone you know is showing suicidal behaviour, it's important to get support immediately.

What is suicide?

Suicide is the act of ending your own life on purpose. More than 3,200 Australians died by suicide in 2023.

Suicidal behaviour is any action or thought that relates to suicide. It can include:

  • thinking about suicide — also known as 'suicidal ideation' or 'suicidal thoughts'
  • making plans for suicide
  • attempting suicide

1 in 6 Australians between 16 and 85 years of age has experienced suicidal behaviour at some stage in their life.

What are the risk factors for suicide?

There are many risk factors that may lead someone to have suicidal behaviours. Risk factors for suicide include:

What are some of the warning signs of suicide?

It's not always obvious that a person is struggling with suicidal thoughts or behaviours. However, many people do show some warning signs before they attempt suicide. They may:

  • describe feeling hopeless or worthless
  • abuse alcohol or drugs
  • stop wanting to do things they usually enjoy
  • stop replying to messages, calls or emails
  • stop spending time with friends or family
  • talk or joke about not being alive anymore
  • take risks

Sometimes there are no warning signs of suicide. If you are worried about someone, ask if they are okay and seek professional advice.

How do I talk to a person who has suicidal thoughts?

Talking to someone who has suicidal thoughts can reduce stigma and encourage them to get help.

If someone you know has suicidal thoughts, it's best to act immediately. This may help stop them from attempting suicide.

There are four key steps to follow when talking to someone who has suicidal thoughts.

  1. Ask — Be direct and don't be afraid to ask if the person is thinking about suicide. If they are already thinking about suicide, asking won't place them at more risk. Asking shows that you care and gives them a safe space to speak.
  2. Listen and stay with them — Take what they say seriously and reassure the person that you can support them. Knowing you care will help them to feel less alone. It's important that you don't leave them alone.
  3. Get help — Call a helpline such as Lifeline (13 11 14) for advice and support. If someone's life is in danger, get help immediately by calling triple zero (000) and asking for an ambulance. If the danger is not immediate, encourage the person to get help by talking to a doctor or psychologist.
  4. Follow up — Check in with the person often, even if they don't respond all the time. Encourage them to get or continue professional help. Remind them that suicidal thoughts don't have to become actions.

Learn about mental health and suicide to better understand what the person may be going through. You can ask your doctor for advice.

You can read more about supporting someone with depression or a mental illness.

Remember to look after yourself as well. Helping a suicidal person can make you feel stressed or overwhelmed, so it's important that you also find someone to talk to.

FIND A HEALTH SERVICE — The Service Finder can help you find doctors, pharmacies, hospitals and other health services.

What should I do if someone is going to attempt suicide?

If you, or someone you know, is having suicidal thoughts and is in immediate danger, call triple zero (000). To talk to someone now, call Suicide Call Back Service 1300 659 467 or Lifeline on 13 11 14.

If you are with someone who is going to attempt suicide, you should:

  1. Stay calm and remain with the person.
  2. Call triple zero (000) and tell the operator that someone is suicidal, or take them to a hospital emergency department.
  3. Not leave the person alone unless you are worried about your own safety. Remove anything they could use to harm themselves such as medicines or knives.
  4. Keep yourself safe. If the person is being aggressive towards you, call triple zero (000) and ask for the police.
Mental health helplines poster promotional tile
View this information in a poster: 24/7 Mental health helplines.

Who is at a higher risk of suicide?

People in the following groups are more at risk of suicide.

Young people

Recent studies showed that people 16 to 24 years of age have the highest rates of suicidal behaviour.

Young people may attempt suicide for many reasons, including if they:

  • have less developed coping skills and do not know how to deal with distress
  • experience bullying, neglect or child abuse
  • are exposed to someone attempting or dying by suicide

If you know a child or young person who has been affected by suicide in their family, it's very important to provide support and maintain open communication with them.

If a child or young person talks about suicide, ask them if they are thinking about suicide. You can help them get professional support.

Males

Males account for most deaths by suicide in Australia — around 3 in 4. This may be because Australian males are often less likely to seek help about their mental health, including from:

  • friends
  • family
  • professionals

In 2023, males aged 55 to 59 years of age had the highest rate of suicide.

Aboriginal and/or Torres Strait Islander people

The suicide rate among Aboriginal and/or Torres Strait Islander people is higher than the rest of the Australian population. This may be due to:

  • experiences of discrimination
  • higher rates of incarceration (being in prison)
  • mental health care that is not culturally suitable
  • less access to mental health services

Previous suicidal behaviour

People who have previously attempted suicide are more likely to die by suicide than those who haven't.

It's important to keep supporting anyone who has previously attempted suicide. People who have tried to take their own life are at risk of trying again, especially in the first year after their suicide attempt.

People with mental illness

There's a strong link between suicide and many mental health conditions, such as:

Sexually and gender-diverse (LGBTIQA+) people

Recent statistics show that almost half of all LGBTIQA+ people have experienced suicidal behaviour in their lifetime. This may be due to:

Culturally and linguistically diverse (CALD) people

People from CALD backgrounds may be at higher risk of suicide due to:

  • social isolation
  • being separated from their family and community
  • difficulty accessing mental health services because of language barriers
  • financial stress
  • experiences of racism and discrimination

Australia has one of the largest multicultural populations in the world. In some cultures, there's stigma surrounding mental health issues that means people are less likely to seek mental health help.

Older people

Older Australians may have a higher risk of suicide due to:

  • chronic pain
  • social isolation
  • feelings of loneliness
  • grief following the death of family or friends
  • financial difficulty

The risk of suicide increases when people don't seek professional help for mental health issues. This is more common among older Australians due to:

  • stigma about mental health issues
  • being unable to access services
  • having less awareness of the services available

It's important to pay attention to the wellbeing of older people in your family, neighbourhood and community. You may need to assist them in getting professional help.

Can suicide be prevented?

With support, suicide is preventable. There are ways you can help to prevent yourself and others from suicidal behaviour.

Ways to reduce the chance of suicidal behaviour include:

  • having healthy relationships with family and friends
  • looking after your physical and emotional wellbeing
  • knowing how and where to access mental health services

If you or someone else is having suicidal thoughts, encourage them to get help. Talking to your doctor is a good first step. They can refer you to another mental health professional if needed.

FIND A HEALTH SERVICE — The Service Finder can help you find doctors, pharmacies, hospitals and other health services.

Having a healthy lifestyle can also help prevent suicidal thoughts and behaviour. You can:

If you are at risk of suicide, it's important to have a safety plan. This can help you take care of yourself when things get tough, or if you are having suicidal thoughts.

Lifeline has a suicide safety planning app called Beyond Now.

Resources and support

If you or someone else have suicide warning signs, there is information and support available.

You can read more about mental health resources and services in Australia.

State and territory services

There are mental health support services available in each state and territory.

Information for Aboriginal and/or Torres Strait Islander people

If you are an Aboriginal and/or Torres Strait islander person, there is mental health support available.

Languages other than English

The Australian Government offers a free translation service. If English is not your preferred language, you can call 131 450. You can request an interpreter 24 hours a day, every day of the year.

You can also visit the Embrace Multicultural Mental Health website for resources in multiple languages.

You can also call the healthdirect helpline on 1800 022 222 (known as NURSE-ON-CALL in Victoria). A registered nurse is available to speak with you 24 hours a day, 7 days a week.

Learn more here about the development and quality assurance of healthdirect content.

Last reviewed: November 2025


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