St John Ambulance is launching a national recruitment campaign to try and reverse its long-term decline in volunteers.
The charity aims to increase numbers by 5 per cent a year over the next five years. Last year, volunteers fell from 47,000 to 45,000.
"We want branches to seek volunteers in support roles, rather than just first-aiders,
said spokeswoman Caroline Leon. Support staff include mentors, administration staff and those working in areas such as PR.
The charity is particularly interested in recruiting volunteer youth workers as a growing proportion of its volunteers are young people.
St John Ambulance has also introduced more flexible volunteering, added Leon.
An action pack giving tips and advice on volunteer recruitment has been sent to county branches and there are plans to try and involve local MPs in supporting recruitment campaigns.