18. Population The Future for Nigeria’s Population
It is estimated that by 2030, the population of Nigeria will reach 262 million, making it one of the fastest-growing countries in the world.
Question Time
1. Nigeria was once a British colony. What is a colony? 2. Describe Nigeria’s population change from 1950 to 2022. 3. Explain three factors that have influenced Nigeria’s population growth. 4. Compare Nigeria’s birth, death and life expectancy rates to Ireland’s. 5. (a) What is expected to happen to Nigeria’s population by 2030? (b) How might this impact on services and the economy in Nigeria?
Sample questions 1. (a) Examine the demographic transition model below and decide whether each of the following questions is true or false.
Demographic Transition Model
10 20 30 40
0 Stage 1
Stage 2Stage 3Stage 4Stage 5 Time
(i) The birth rate is increasing during stage 3. (ii) The death rate is highest in stage 4. (iii) Total population growth in stage 4 is slower than in stage 2.
(iv) The death rate being lower than the birth rate is the only reason a population increases.
(2022 SEC exam paper, Q4 (a) (i)–(iv)) 275
Death rate Birth rate
Natural increase
Total population Exam hint! Natural decrease
Read each statement below and look at the stage that it refers to on the diagram. Next, look carefully at all labels and colour coding on the graph for that section.