Simply Statistics A statistics blog by Rafa Irizarry, Roger Peng, and Jeff Leek

Expected Salary by Major

In thisrecent editorialabout the Occupy Wall Street movement, Richard Kim profiles a protestor that despite having a master’s degree can’t find a job. This particular protestorquit his job as a school teacher three years ago and took out a $35K student loan to obtain a master’s degree in puppetry from the University of Connecticut. I wonder if, before taking his money, UConn showed this person data on job prospects for their puppetry graduates. More generally,I wonder if any university shows their idealist 18 year old freshmen such data.

Georgetown’s Center for Education and the Workforce has an informativeinteractive webpagethat students can use to find out by-major salary information. I scraped data from thisWall Street Journal webpagewhich also provides, for each major, unemployment rates, salary quartiles, and its rank in popularity. I used these data to compute expected salaries by multiplying median salary by percent of employment. The graph above shows expected salary versus popularity rank (1=most popular) for the 50 most popular majors (Go here for a complete table and here is the raw data and code). I also included Physics (the 70-th). I used different colors to represent four categories: engineering, math/stat/computers, physical sciences, and the rest. As a baseline I added a horizontal line representing the average salary for a truck driver: $65K, a job currently withplenty of openings. Different font sizes are used only to make names fit.A couple of observations stand out. First, only one of the top 10 most popular majors,Computer Science,has a higher expected salary than truck drivers. Second, Psychology, the fifth most popular major, has an expected salary of $40K and, as seen in the table, an unemployment rate of 6.1%; almost three times worse than nursing.

A few editorial remarks:1)I understand that being a truck driver is very hard and that there is little room for career development. 2) I am not advocating that people pick majors based on future salaries. 3) I think college freshmen deserve to know the data given how much money they fork over to us. 4) The graph is for bachelor’s degrees, not graduate education. The CEW website includes data for graduate degrees. Note that Biology shoots way up with a graduate degree. 5) For those interested in a PhD in Statistics I recommend you major in Math with a minor in a liberal arts subject, such as English, while taking as many programming classes as you can. We all know Math is the base for everything statisticians do, but why English? Students interested in academia tend to underestimate the importance of writing and communicating.

Related articles:ThisNY Times article describes how/why students are leaving the sciences. Here, Alex Tabarrok describes big changes in the balance of majors between 1985 and today and herehe shares his thoughts on Richard Kim’s editorial. Matt Yglesias explains thatunemploymentis rising across the board. Finally, Peter Orszag share his views on how a changing world is changing the value of a college degree.

Hat tip to David Santiago for sending various of these links and Harris Jaffee for help with scrapping.