The University of Birmingham is a public research university. The student population includes 24,885 undergraduate and 13,825 postgraduate students. The annual income of the university for 2022–23 was £909.1 million of which £196.7 million was from research grants and contracts, with an expenditure of £884.7 million.In the 2021 Research Excellence Framework, the University of Birmingham ranked equal 13th out of 129 institutions on grade point average, up from equal 31st in the previous REF in 2014. The university also has an affiliated Dubai campus established in 2017 at Dubai International Academic City (DIAC). They have since moved from the DIAC headquarters with the construction of a new campus in 2022 in the same area, inaugurated by the Dubai crown prince Hamdan Bin Mohammed Al Maktoum. The campus boasts of having all faculty flown in or permanently staffed from the UK campus.