Average age of United Kingdom (UK) armed forces in 2019, by military branch

In 2019 the average age for personnel in the British Army was 30 years old, compared with 32 for the Royal Navy and Marines and 33 for the Royal Air Force. In the same year, there were around 1.6 thousand under 18-year old’s in the British Army and 190 who were over the age of 55.

Over 15 thousand women in the armed forces
For the armed forces as whole there were over 131 thousand men and more than 15 thousand women in 2018. Overall there has been a decline in the size of the armed forces since 2012, with the British Army losing around 22 thousand men and 1 thousand women.

Operational deaths remain low
Since 1945 there have been over 7 thousand operational deaths in the United Kingdom’s armed forces, with the deadliest year occurring in 1951, when there were 851 deaths. This was due to three separate conflicts: the Malayan Emergency, the 1951 Anglo-Egyptian War and the Korean War. Since 1959 there were only three years that had more than 100 operational deaths: 1972, 1973 and 1982.

Average age of personnel in United Kingdom (UK) armed forces in 2019, by military branch

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Release date

June 2019


United Kingdom

Survey time period

April 1, 2019

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Statistics on "Armed Forces of the United Kingdom"

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