V. I. Lenin
Collected Works
London: Lawrence & Wishart, 1960, Vol. 39, p. 736.

"Notes for Lecture on 'Imperialism and the Right of Nations to
Self-Determination'"

"300-400 million out of 1,600 are oppressors."

[MC5 adds: Since Lenin's time the population has increased to about
5,000 million, but the oppressors are still over 10 percent. Thanks to
former SDS leader Noel Ignatin for pointing out this Lenin quote in the
defunct Urgent Tasks magazine.]