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The Demographic Transition in Nigeria - Causes, and Consequences - Assignment Example

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The paper “The Demographic Transition in Nigeria - Causes, and Consequences”  is a convincing example of an assignment on statistics. In (1.285941)/10 = r0.025 = r. Average population growth rate = 0.025 = 2.5%. Total number of persons in 2015 = P = P0ert = 181,562,000e0.025 (10) = 181,562,000e0.25 = 233,130,223 persons…
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The paper “The Demographic Transition in Nigeria - Causes, and Consequences”  is a convincing example of an assignment on statistics. In (1.285941)/10 = r
0.025 = r. Average population growth rate = 0.025 = 2.5%. Total number of persons in 2015 = P = P0ert = 181,562,000e0.025 (10) = 181,562,000e0.25 = 233,130,223 persons.

Question 3
Crude birth rates (CBR)
CBR = (number of births) x 1000/estimated population mid-year

For 2005;
CBR = (5911300 x 1000)/ 141190000
= 5911300000/141190000
= 41.9
= 41.9 births per 1000 people

For 2015;
CBR = (6833600 x 1000)/ 181562000
= 6833600000/181562000
= 37.6
= 37.6 births per 1000 persons

Question 4
General fertility rate (GFR)
GFR= (births in the stated period /number of women aged 15-49 in the same period) x1000

For 2005;
= {(934000+1558600+1541000+1027700+576800+217400+55800)/32052000} x1000
= (5911300/32052000) x1000
= 0.184428x1000
= 184.428

For 2015;
= {(1038400+1727000+1770200+1269600+712700+252600+63100)/41691000} x 1000
= (6833600/41691000) x1000
= 0.163911 x1000
= 163.911

Question 5
Total fertility rate (TFR)
For 2005;
For the year 2015

Question 6
Median Age of All Population
For 2005: Women
= 69136/2
= 34568

Cumulative 10-14 = 30135 (C10-14) < 34568 (M) < 37342 (C15-19) = Cumulative 15-19
= 12 + {(34568-30135)/ (37342-30135)}
= 12 + (4433/7207)
= 12 + 0.62
= 12.62 years

For Persons (F&M);
= 141190/2
= 70595

Cumulative (10-14) = 61703(C10-14) < 70595 (M) < 76485 (C15-19)
= 12 + {(70595-61703)/ (76485-70595)}
= 12 + (8892/5890)
= 12 + 1.51
= 13.51 years

For 2015; Women
= 88977/2
= 44488.5

Cumulative (10-14) = 38124(C10-14) < 44488.5 (M) < 47412 (C15-19)
= 12 + {(44488.5-38124)/ (47412-44488.5)}\
= 12 + (6364.5/2923.5)
= 12 + 2.18
= 13.18 years
For persons (F&M)
= 181562000/2
= 90781

Cumulative (10-14) = 78084 (C10-14) < 90781 (M) < 97087 (C15-19)
= 12 + {(90781-78084)/ (97087-90781)}
= 12 + (12697/6306)
= 12 + 2.01
= 14.01 years

Question 7
Dependency Ratio of all Population
Dependency ratio = (number of dependants/ population) x 100

For 2005; Women
= {(30135+ 2090)/36911} x100
= (32225/36911) x 100
= 0.87 x 100
= 87%

For Persons (F&M)
= {(61703+4075)}/ 75412 x100
= (65778/75412) x 100
= 0.87 x100
= 87%

For 2015; Women
= {(38124+2954)}/47899
= (41078/47899) x 100
= 0.86 x100
= 86%

For Persons (F&M)
= {(78084+5640)}/97838
= (83724/97838) x 100
= 0.86 x100
= 86%

Question 8
Sex ratio of population aged 65 and over in 2005 and 2015

For 2005;
= 4075-2090
= 2090females:1985males
= 1.05:1 (female to male)

For 2015;
= 5640-2954
= 2954females:2686males
= 1.1:1 (female to male)

Question 9
There are various demographic characteristics of the selected country, Nigeria. Question two indicates that there will be population growth. In the last ten years, the population growth rate was 2.5 percent. In the next ten years, the population will continue to grow and hence will increase as projected in question two. Crude birth rate indicates that the Nigerian population, over the ten years under study, is declining. In 2005, the population crude rate was 41.9 births in every one thousand people. This changed to 37.6 persons for every one thousand people. This indicates that there is decline of population. The general fertility rate increased from 5911300 to 6833600 from 2005 to 2015. This indicates that the total number of live births for women aged 15-49 years increased. This means that fertility of women in this category increased over the ten years period.

The total fertility rate also indicates that it increased. This means that the average number of children that were born per female increased. It also means that there was better child care hence this increased the life survival rate of children. On the other hand, the dependency ratio in Nigeria is very high as estimated in question seven. There was 87 percent dependency in 2005; this did not change in 2015. The rate remained the same. This means that out of 100 people, 87 seven of them are dependents. The amount of people of non-working age is very high as compared to those of working age. This means that the Nigerian economy has a greater burden in supporting the aging population. The dependent population put additional demands on education services, health services, and care.

The median age of the Nigerian population is in the range of 10-14 years. This is common for both females and persons as well as for 2005 and 2015 as well. Additionally, the sex ratio for the population aged 65 years and above indicates that there are more females than males. This means that life expectancy for females is higher than for men. Essentially, there are different demographic characteristics of Nigeria between 2005 and 2015 as estimated and discussed above. They help to understand the Nigerian population better.

 

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