Postdoctoral salaries at top 20 schools typically range from $30,000 to $40,000 annually, primarily influenced by grant funding and contract terms. In the fields of astronomy and astrophysics, salaries can vary significantly, with a range of $35,000 to $65,000, and some positions at national labs or prestigious fellowships reaching up to $100,000. The median salary for postdocs is around $40,000 per year, as indicated by statistics from the American Institute of Physics (AIP). Additionally, at some universities, postdoc salaries are publicly accessible, reflecting transparency in compensation for state employees.