The 17 best-paying university subjects to study if you're a woman
The economic think-tank found that the London School of Economics (LSE) was the only university in the UK where more than 10% of female graduates went on to earn a salary above £100,000 ($142,000) 10 years after graduating.
But more than 10% of male graduates from three universities - LSE, as well as Oxford and Cambridge - earned more than that figure in the same period.
The academic gender pay gap was prevalent further down the university league table too.
"Even if we do not focus on the very top, a large number of institutions (36 for men and 10 for women) had 10% of their graduates earning more than £60,000 a year ten years on," an IFS statement said.
Along with highlighting the gap between male and female grads, the report also shows the median raw earnings by subject for female students who graduated between 1999 and 2005.
While the numbers may seem low, they take into account women who may not have gone into a profession directly related to the subject they studied.
Check out the rankings below.