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In 2011, the population of Latvia was 2,077 thousand (2,077,000) persons and in 2021 it was 1,874 thousand persons. What was the percent change in

  1. In 2011, the population of Latvia was 2,077 thousand (2,077,000) persons and in 2021 it was 1,874 thousand persons. What was thepercent change in population sizeover this 10-year period? Enter your answer with one decimal place and do not include a percent symbol.
  2. In 2011, the population of Trkiye was 74,174 thousand (74,174,000) and in 2021 it was 84,775 thousand. What was theCrude Growth Rate per thousandover this 10-year period? Enter your answer with one decimal place.
  3. In 2011, the population of Malawi was 15,146 thousand (15,146,000) persons and in 2021 it was 19,890 thousand persons. What was theexponential growth rate (r) in percentover this 10-year period? Enter your answer with one decimal place and do not include a percent symbol.
  4. In 2021 the exponential growth rate for the population of Morocco was .0119. What is the doubling time for the population? Enter your answer with no decimal places.
  5. In 2021, the population of Colombia was 51,517 thousand (51,517,000) persons and the exponential growth rate (r) was .0128. If this growth rate remains unchanged, what will the size of Colombia's population be after 10 years? Enter your answer in thousands, with no decimal places.
  6. Which of the following are definitions of population aging? (choose all that are correct)
    1. Increases in a populations' life expectancy
    2. Increase in the median age of a population
    3. Increase in the proportion of a population in older age groups
    4. Increase in the number of older people in a population
  7. Between 2010 and 2020, an unprecedented change occurred in the age structure of the global population. This change was:
    1. The number of people ages 65 and above exceeded the number of people under age 5
    2. The onset of global population aging
    3. The populations of half the world's nations had median ages over 40

8. Which of the following is the primary cause of population aging?

  1. Past baby booms
  2. Out-migration of young people
  3. Fertility decline
  4. Increasing life expectancy

9. Once population aging has occurred, which of the following can cause additional population aging? (Choose all that are correct.)

  1. An unusually large set of birth cohorts reaching old age
  2. Declines in Infant and child mortality rates
  3. Declines in mortality rates at ages 70 and above
  4. Positive net international migration

10. All else equal, population aging is an inevitable consequence of fertility decline.

  1. True
  2. False

11. Using the data below, calculate the total dependency ratio in percent. Enter your answer with no decimal places and do not include a percent symbol.

Population by Broad Age Groups Canada, 2020

Age Group

Population (1,000s)

0 - 14

5,954

15 - 64

24,955

65+

6,833

TOTAL

37,742

Source: UN World Population Prospects 2019

12. In 2021, the child dependency ratio in Burkina Faso was 83. Which of the following is the correct interpretation of this number? (choose the one that is most correct)

  1. In 2021, the population of Burkina Faso had 83 children for every 100 persons of working age
  2. In 2021, 83% of the population of Burkina Faso were children
  3. In 2021, there were 83 dependents for every 100 persons of working age in Burkina Faso

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