Salary depends on work in industry. Industry work depends on field of study. Other factors include country where work is performed. There are salary scale survey, such as Robert Half, for example provide survey for the US market: https://www.roberthalf.com/salary-guide
Roberert Walters does survey report on China and greater Asia salary scale. https://www.robertwalters.com/content/dam/robert-walters/global/files/salary-survey/salary-survey-2019-greater-china-south-east-asia.pdf