A while back beckmw found the average length of a dissertation for various fields of study, based on digital archives at the University of Minnesota. Here’s a follow-up to that data scrape with average lengths of masters’ theses, again for various fields. Medical Chemistry wins this round.
By the way, the colors don’t mean anything. They’re just there for flourish.
On the upside, the R code for scraping along with the resulting data is available for download.