41) The total world population is forecast 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 the ________.
A) unprecedented rate at which world population is aging
B) decline in birthrates as nations advance economically
C) high level of mobility of the international workforce across national borders
D) alarming rate of depletion of natural resources necessary for sustaining the population
42) Which of the following trends has been observed in the world population in terms of aging?
A) People aged 65 and older will soon outnumber children under age 5 for the first time in
history.
B) The world’s population aged 80 and over is projected to decrease 233% by 2040.
C) The world’s population is growing older, but at a slower rate than it did in comparison with
the previous two centuries.
D) As nations have advanced economically, birthrates have increased in proportion to the
growing world population.
43) Trends observed in the shifting world population indicate that the average age of the world
population in increasing. Also, the world’s population aged over 80 is expected to more than
double by the year 2040. Which of the following is a likely implication of such population
trends?
A) decreasing demands on social entitlement programs
B) increasing global savings rates
C) dwindling labor supply
D) decreasing preference for white-collar occupations