It will be up to you how long you serve. The skills you learn and the work you do in the Forces may help you get a job in civilian life when you leave. Age limits for entry vary. Apart from Graduates, most recruits start between the ages of 16 and 18. Upper age limits are usually in the mid to late twenties or early thirties.
Some jobs are available to older people who have already gained qualifications in civilian life.
The variety of careers you can develop within the Armed Forces is enormous. Here is a small selection of the different areas in which you could become involved.