The total world population is forecasted to hit 9 billion by 2050,at which point the United Nations predicts the total population will either stabilize or peak after growing for centuries at an ever-accelerating rate.The main reason for this major shift is ________.
A)the unprecedented rate at which world population is aging
B)the decline in birthrates as nations advance economically
C)the high level of mobility of the international workforce across national borders
D)the alarming rate of depletion of natural resources necessary for sustaining the population

Question

Quizplus · Accepted Answer

As nations advance economically, birth rates tend to decline due to factors such as increased access to education and family planning, and a shift towards urbanization and smaller family sizes. This is the main reason for the projected stabilization or peak of the world population by 2050.

The Total World Population Is Forecasted to Hit 9 Billion