At least a quarter of those who died on the first day of the Somme were aged under 25

15-19

20-24

25-29

30-34

35-39

40-44

45-49

50-54

0

1,000

2,000

3,000

Guardian graphic | Source: The Commonwealth War Graves Commission casualty database lists 8,523 soldiers who died on 1 July 1916 and are buried or commemorated in France’s Somme department with an age recorded.