What interviewers are looking for
"Why did you choose this career?" is a motivation question. The interviewer is asking: do you have a genuine, thought-through reason for being in this field? Or are you here by default — you fell into it, it was available, your parents suggested it? Candidates who have a real answer to this question are more likely to stay engaged, to care about quality, and to develop professionally over the long term. The question is common in roles where passion and commitment matter: healthcare, education, law, social work, engineering, and creative fields particularly. In corporate roles, the question is often asked differently ("why are you interested in finance / marketing / technology?") but the intent is the same.
How to structure your answer
The best answers have three components: the origin story (what first drew you to this field), the confirmation moment (an experience that reinforced the choice), and the present relevance (why the career still makes sense for you now and why this role specifically). The origin story does not need to be dramatic: a work experience placement that showed you what the job really involves, a subject you loved at university, a personal experience with the profession (as a patient, student, client), or an early job that gave you a taste of the work. What matters is that it is genuine and specific. Generic answers ("I have always been a people person") say nothing distinguishing.
Example answers by field
Teaching: "I first considered teaching during my A-levels when I realised I was spending more time helping my classmates understand maths than I was studying myself — and I found that more satisfying than my own revision. A placement at a secondary school in my final year confirmed it. Watching a student who had decided they were bad at maths actually solve a problem they had been struggling with for weeks was the moment I knew this was what I wanted to do."
Engineering: "I took apart every appliance in our house as a teenager just to see how it worked. Most of them worked again afterwards. At university, when we were given an open-ended design project in second year — a water purification system for a low-resource setting — I realised that engineering was the closest thing to a structured way of solving real problems I had found. That project won a regional award and I have been interested in infrastructure engineering ever since."
Finance: "I grew up watching my parents navigate a mortgage they could not fully understand and make some decisions with their savings that cost them significantly. That made me curious about how financial decisions actually work. At university I studied economics and found the intersection of data, behaviour, and money genuinely interesting. Financial analysis is where those interests meet professional output."
What if you fell into your career by accident?
Many people end up in their careers through a combination of opportunity, circumstance, and gradual interest rather than a clear childhood calling. That is fine and you do not need to fabricate a clearer narrative than the truth. An honest answer: "I originally fell into [field] by accident — I took a temporary role after university and stayed because I found I was good at it and found the work genuinely interesting. Over time, [specific area] became something I actively chose to develop rather than something that just happened to me. I am here because I want to be, not because it was the path of least resistance." This is a credible and mature answer.