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.
Question 2
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
Predators and Population Cycles
Smallest Fish in the world
The Median Age of the U.S. Population
Population growth and growth rate, 1950 - 2100
Globalization and Diversity: Geography of a Changing World, 4th Edition
Bateson and Punnett’s Observed and Expected Phenotypes in F2 Sweet Peas