The Russell Group currently has twenty four members, of which twenty are from England, two from Scotland, and one from each of Wales and Northern Ireland. Of the English members, five are from Greater London; three from the Yorkshire and the Humber region; two from each of the North East, North West, West Midlands, South West and South East regions; and one from each of the East Midlands and East regions. Four Russell Group members are constituent colleges of the University of London and a fifth London institution, Imperial College London, was part of the University of London until 2007.