Cancer in children

About 1,900 children (up to the age of 15) in the UK are diagnosed with cancer each year.

Leukaemia, brain tumours and lymphomas are the most common diagnoses in children under the age of 15. Around half of all cases are found in the 0-4 year age group. 

Cure rates for children are much higher than for most adult cancers. The survival rate for children’s cancer has more than doubled since the 1960s.  More than 8 in 10 children (84%) in England now survive their cancer for 5 years or more (all cancers combined); but some cancer groups and cancer types still have much lower survival. 

Children's cancers can be quite different from cancers affecting adults and tend to occur in different parts of the body to adult cancers. They also look different under the microscope and respond differently to treatment.

There is a network of specialist centres, known as Principal Treatment Centres, for diagnosing and treating children’s and teenage/young adult cancers.

This page is about cancer in children (age 0-14 years). To find out more about cancer in young people (age 15-24) years see information about cancer in teenagers and young adults.

Types of cancer in children

Understanding more about the cancer your child has and the treatments that may be used can often help parents to cope.

Causes of cancer in children

It is still unknown as to what causes childhood cancer and research is being done to find out more. Parents often worry that something they did or didn’t do may have caused their child’s cancer. This is not the case.

Image shows the front cover of the booklet Coping with family life and cancer - practical information for paretns and families of children and young people with cancer to help balance everyday life during treatment. The cover has a lilac background with a simple illustration of a family of two adults and two children depicted beneath a roof.

Award-winning childhood cancer information

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Public Health England: Children, teenagers and young adults UK cancer statistics report 2021 https://digital.nhs.uk/ndrs/data/data-outputs/cancer-publications-and-tools/ctya-uk-cancer-statistics-report-2021

Cancer Research UK: Children's and Young People's Cancer Statistics. Accessed February 2025 https://www.cancerresearchuk.org/health-professional/data-and-statistics/cancer-statistics/childrens-and-young-peoples-cancers-statistics