Question 1 · structured
2.5 marksStudy the demographic data for Country X below:
- 1980: Birth rate = 38 per 1000; Death rate = 14 per 1000
- 2000: Birth rate = 25 per 1000; Death rate = 8 per 1000
- 2020: Birth rate = 12 per 1000; Death rate = 7 per 1000
a) Calculate the rate of natural increase (as a percentage) for Country X in the year 2000. Show your working.
b) Briefly describe the overall trend in the rate of natural increase from 1980 to 2020.
- 1980: Birth rate = 38 per 1000; Death rate = 14 per 1000
- 2000: Birth rate = 25 per 1000; Death rate = 8 per 1000
- 2020: Birth rate = 12 per 1000; Death rate = 7 per 1000
a) Calculate the rate of natural increase (as a percentage) for Country X in the year 2000. Show your working.
b) Briefly describe the overall trend in the rate of natural increase from 1980 to 2020.
Show answer & marking schemeHide answer & marking scheme
Worked solution
To find the rate of natural increase as a percentage:
1. Subtract the death rate from the birth rate to find the natural increase per 1000: \(25 - 8 = 17\) per 1000.
2. Convert this to a percentage by dividing by 10: \(\frac{17}{10} = 1.7\%\).
To describe the trend:
- In 1980, the natural increase was \(38 - 14 = 24\) per 1000 (2.4%).
- In 2020, the natural increase was \(12 - 7 = 5\) per 1000 (0.5%).
- Therefore, the overall trend is a significant decline in the rate of natural growth over the 40-year period.
1. Subtract the death rate from the birth rate to find the natural increase per 1000: \(25 - 8 = 17\) per 1000.
2. Convert this to a percentage by dividing by 10: \(\frac{17}{10} = 1.7\%\).
To describe the trend:
- In 1980, the natural increase was \(38 - 14 = 24\) per 1000 (2.4%).
- In 2020, the natural increase was \(12 - 7 = 5\) per 1000 (0.5%).
- Therefore, the overall trend is a significant decline in the rate of natural growth over the 40-year period.
Marking scheme
Part (a): 1.5 Marks
- 1 mark for the correct answer of 1.7% (accept 1.7 without the % sign if working is clear).
- 0.5 marks for correct working shown: \(25 - 8\) or \(17\) per 1000.
Part (b): 1.0 Mark
- 1 mark for identifying that the rate of natural increase has declined/decreased over time (with or without supporting statistics from 1980 and 2020).
- 1 mark for the correct answer of 1.7% (accept 1.7 without the % sign if working is clear).
- 0.5 marks for correct working shown: \(25 - 8\) or \(17\) per 1000.
Part (b): 1.0 Mark
- 1 mark for identifying that the rate of natural increase has declined/decreased over time (with or without supporting statistics from 1980 and 2020).