Some people chose to start work straight after their GCSE exams and as soon as they are legally old enough to do so, whilst others may not actually start looking for work until they are in their mid 20’s due to a university course or taking a gap year or two to travel around.
Choosing which career path to take has to be decided based on your own personal circumstances and career that you wish to go in to. There is no set right or wrong time, everyone is different and many will follow different routes (sometimes even in to the same job).
When it comes the time to start job hunting for that first job it can be extremely scary and you may feel a little overwhelmed on how to go about it. Depending on what industry and job role you wish to go for, can determine where you need to look. You can always speak to a careers advisor who will be able to point you in the right direction in terms of the path you need to take.