(a) Table 3.1 shows information about three cities in China in 2022.
Table 3.1
| city | |||
|---|---|---|---|
| Shanghai | Tianjin | Beijing | |
| population /million people |
28.517 | 13.866 | 21.893 |
| area of city /\( \text{km}^2 \) |
6340 | 11946 | 16410 |
| population density /people \( \text{km}^{-2} \) |
1161 | 1334 | |
(i) Calculate the population density of Shanghai in 2022.
Give your answer as a whole number.
(unit: people \( \text{km}^{-2} \)):
(ii) Suggest three factors that explain the difference in population density between Beijing and Tianjin.
1.
2.
3.
(b) Fig. 3.1 shows the annual percentage population change against median age for ten countries.
The median age has the same number of people above and below that age.
(i) Use Fig. 3.1 to determine the:
(ii) Describe the relationship between the annual percentage population change and the median age for the countries shown in Fig. 3.1.
(c) State three factors that affect population change.
1.
2.
3.
(d) Japan has an ageing population.
State three impacts of ageing populations.
1.
2.
3.