A degree that fetches you a well-paying job, both today and tomorrow, is the one that's worth having in hand. More than temporary success, it's important to think about the long term effects and benefits of the degree you plan to undertake now. You surely see that the lines are too small to understand in most cases: to actually see what's going on with a particular field or job, click on a box and the chart will filter down to just the people who either majored in the field.