In 1948, UII had four faculties: Faculty of Religion Faculty of Law Faculty of Economics Faculty of Education The need for new recruits in civil servants for the Department of Religious Affairs of the Republic of Indonesia became an important backdrop establishment of Islamic universities.
Sampai dengan 1948, UII memiliki empat fakultas, yaitu: Fakultas Agama Fakultas Hukum Fakultas Ekonomi Fakultas Pendidikan Kebutuhan akan tenaga fungsional di Departemen Agama Republik Indonesia menjadi latar belakang penting berdirinya perguruan tinggi agama Islam.