11. 1. In 1950 there were fewer than 1 billion children
(aged 0-14) worldwide; by 2000 this figure
increased to almost 2 billion. How many children
does the UN estimate there will be by 2100?
12. 2. There are 7 billion people in the world.
How does the population break down?
13. 3. What is the average life expectancy of
the world’s population?
15. 5. Which of these curves shows the world’s
income distribution?
A B
C
16. 6. On average, men aged 25-34 have spent
eight years at school. What is the average for
women of the same age group?
17. 7. How much of the world’s energy comes
from solar and wind power?
18. 8. By 1965 the average number of babies born per
woman had decreased to five. What's today’s
average?
19. 1. In 1950 there were fewer than 1 billion children
(aged 0-14) worldwide; by 2000 this figure
increased to almost 2 billion. How many children
does the UN estimate there will be by 2100?
Answer: 2 billion!
20. 2. There are 7 billion people in the world.
How does the population break down?
21. 3. What is the average life expectancy of
the world’s population?
Answer: 70 years
22. 4. What is the global adult literacy rate?
Answer: 80%
23. 5. Which of these curves shows the world’s
income distribution?
A B
C
24. 6. On average, men aged 25-34 have spent
eight years at school. What is the average for
women of the same age group?
Answer: 7 years
25. 7. How much of the world’s energy comes
from solar and wind power?
Answer: 2%
26. 8. By 1965 the average number of babies born per
woman had decreased to five. What's today’s
average?
Answer: 2.5