What 15 pieces of information would be useful to ask on a fantasy island I will be operating. This is for my economics assignment and it cannot just ask questions like "What is your income?"

This is the assignment:

It mustask for at least fifteen pieces of information from your population. It must be easy to understand and fast to fill out, or your citizens will not take the time to fill it in.For each data point, include a brief reason why you are collecting that information.