The fertility rate in the developing world (excluding China) is currently 2.98 children per woman, more than a child above the rate in the developed world (1.67). This difference is due in part to women in the developing world having less access to effective birth control. We wonder: How many women in the developing world have an unmet need for contraception?
A. 877 million
B. 225 million
C. 74 million
D. 290,000