How much you can earn with surveys strongly depends on your demographics such as your country, gender, age, income, and so on. Those demographics are important because the companies that pay you for participating in surveys are deciding what groups of people they want to get answers from.
Of course, you can't do much to influence your demographics. But there are still other factors that can make a significant difference when doing surveys. We strongly recommend you to read our article about Paid Survey Tips and Tricks so that you can optimize your survey earnings.