Okay kiddo, do you remember when we talked about how people are different based on where they live or what job they have? Well, some people study lots of data and information about lots of people to see how those differences relate to each other. It's kind of like big people playing detective!
So, one way they look at all that data is by grouping people into different categories based on things like their jobs, the amount of money they make, and what kind of education they have. That way, they can compare the different groups and see how they're doing compared to each other.
Now, there's a special system that people use to put people into those categories. It's called the National Statistics Socio-Economic Classification, or NS-SEC for short. It's kind of like a big chart that has lots of different categories, and each person gets put into one of those categories based on their job and some other factors.
For example, a doctor might get put into a different category than someone who works at a store. That's because doctors usually make more money and have gone to school for longer. And that information can be useful for things like figuring out how different groups of people are affected by things like changes in the economy or new laws that might affect jobs.
So basically, the NS-SEC helps people study and understand how different jobs and education levels affect how people are doing in their lives. And it's like a big puzzle that helps people put together all the information they need to figure out what's going on in the world around us!