Age structure and survival in Countries P and Q

The question

Name: ______________________   Date: ____________   Age structure and survival in Countries P and Q (10 points)

Data

Countries P and Q

Survivors at each age out of 1,000 babies born, using each country’s current death rates by age (invented data for practice)

Age (years)	Country P survivors	Country Q survivors
0	1,000	1,000
1	940	996
15	880	992
45	700	960
75	250	640

1. (a) Using the population pyramids, describe the shape of each country’s age structure diagram, including data from the figure. [2 points]

2. (b) Make a claim about which country’s population is likely to grow faster over the next 30 years, and justify your claim with data from the figure. [2 points]

3. (c) Using the survivorship table, (i) calculate the percent of babies in Country P who die before age 1, and (ii) identify which country’s survivorship is closer to a Type I curve and describe the evidence. [3 points]

4. (d) Country P is improving clean water and vaccines for children. Explain how a fall in infant mortality is likely to affect Country P’s total fertility rate over the following decades. [2 points]

5. (e) Describe one likely economic or social consequence of Country Q’s age structure over the next 20 years. [1 point]