
"Despite shrinking margins, significant revenue growth of approximately 170 percent—or a compound annual growth rate of roughly 11 percent—is anticipated between 2011 and 2021.", says the consultancy in its newsletter BCG Perspectives.
Much of the growth is expected to come from developing economies, especially in the Asia-Pacific region and in Latin America, where the group says "There is significant room for growth in terms of key indicators such as the value of wholesale payment transactions per GDP and the number of wholesale payment transactions per capita."