Populations in both rich and poor nations are on a course to change dramatically in the coming decades. These changes could radically impact economies as well as have enormous consequences for local and global environments. In the following quiz, explore what may lie ahead.
Definition of Regions
Population Trends In the Developed World (7 questions)
1. At "replacement-level fertility," the average couple has only enough children to replace itself, or about two children. Which developed countries have above replacement-level fertility?
2. Where is a woman's life expectancy the highest in the world?
3. How many people living in the developed world are 60 years or older?
4. While many Americans aged 65 and older live with spouses, what percentage live with grown children or other extended-family members?
5. By 2035, how many working-age adults (15-64) will there be to support each elder (65 and over) in the developed world?
6. In 1995 the payroll tax rate in the U.S. was 15.8 percent. According to economist Peter Peterson, what would the payroll tax rate need to be in 2030 to cover current retirement promises?
7. What percentage of people living in the U.S. were born in other nations?
Population Trends In the Developing World (8 questions)
1. To project future populations, the United Nations Population Division (UNPD) makes assumptions about fertility rates. If today's rates do not change, what will the population of developing nations be in 2050?
2. For a baby born in India in 1881, life expectancy was a mere 25 years. What is it today?
3. How has the fertility rate, or average number of children per woman, changed in the past 50 years in the less developed world, excluding China?
4. What is the link between women's education and family size?
5. What percentage of married women in India use contraception to limit family size?
6. How many women in the developing world died in 2000 of causes related to pregnancy and childbirth?
7. How many young people between the ages of 0 and 14 are there in the developing world?
8. What percent of people in the developing world live in urban settings?
The Environmental Challenge (9 questions)
1. Most environmental damage caused by people in the developed world is attributable to:
2. North Americans consume how much more energy per person than Africans?
3. How many cars are there in China for every thousand people?
4. While wealth and related high levels of consumption can lead to environmental damage, so too can poverty. Poor rural families are more likely, for example, to engage in slash-and-burn agriculture and pollute local water resources. What percent of the world's people lives on less than US$1 a day?
5. Earth's freshwater resources are finite. If current consumption rates remain the same, what percent of annual available freshwater will the world's population use in 2025?
6. How many people in the world today are chronically undernourished?
7. At the end of the 20th century, the average population density around the world was 45 people per sq. km. What was it in Bangladesh?
8. In the 1950's economist Simon Kuznets charted the relationship between industrialization and pollution. He found that as nations industrialize, pollution levels:
9. "Carrying capacity" is the maximum number of animals of a species that a habitat can support indefinitely. What is Earth's carrying capacity for humans?
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