Kundi la G8 lilikuwa likikusanya viongozi wa nchi 8 zilizoendelea sana kabla ya Russia kusimamishwa mwaka 2014 kwa sababu ya kuteka Krimea. Tangu hapo, kundi limebaki na nchi za G7 pamoja na Umoja wa Ulaya. "Thinking Ahead: The 'One-Time' G-22 Looks Useful", nyt.com. Retrieved on 2014-03-01.  FACTBOX: The Group of Eight: what is it?, Reuters "Russia Is Ousted From Group of 8 by U.S. and Allies". Retrieved on 2014-03-25.  Bayne, Nicholas and Robert D. Putnam. (2000). Hanging in There: The G7 and G8 Summit in Maturity and Renewal. Aldershot, Hampshire: Ashgate Publishing. 10-ISBN 0-7546-1185-X; 13-ISBN 978-0-7546-1185-1; OCLC 43186692 Haas, P.M. (1992). "Introduction. Epistemic communities and international policy coordination," International Organization 46,1:1–35. Hajnal, Peter I. (1999). The G8 system and the G20 : Evolution, Role and Documentation. Aldershot, Hampshire: Ashgate Publishing. 13-ISBN 9780754645504/13-ISBN 0754645509; OCLC 277231920 Kokotsis, Eleonore. (1999). Keeping International Commitments: Compliance, Credibility, and the G7, 1988–1995.