Population - 1981
| Age | Total | Female | Male |
|---|
| Total | 37,720,093 | 18,735,051 | 18,985,042 | | Rank | 25 | | | | 0-4 | 6,775,120 | 3,386,070 | 3,389,050 | | Rank | 9 | 9 | 10 | | 5-9 | 5,436,431 | 2,711,321 | 2,725,110 | | Rank | 10 | 10 | 10 | | 10-14 | 4,580,434 | 2,277,071 | 2,303,363 | | Rank | 10 | 10 | 10 | | 15-19 | 3,901,932 | 1,932,077 | 1,969,855 | | Rank | 10 | 10 | 10 | | 20-24 | 3,301,523 | 1,629,957 | 1,671,566 | | Rank | 10 | 10 | 10 | | 25-29 | 2,784,102 | 1,368,404 | 1,415,698 | | Rank | 10 | 10 | 10 | | 30-34 | 2,339,386 | 1,145,388 | 1,193,998 | | Rank | 10 | 10 | 10 | | 35-39 | 1,949,783 | 951,198 | 998,585 | | Rank | 10 | 10 | 10 | | 40-44 | 1,605,450 | 787,724 | 817,726 | | Rank | 11 | 11 | 10 | | 45-49 | 1,342,613 | 660,118 | 682,495 | | Rank | 12 | 12 | 11 | | 50-54 | 1,109,627 | 549,635 | 559,992 | | Rank | 12 | 12 | 12 | | 55-59 | 887,547 | 445,475 | 442,072 | | Rank | 12 | 12 | 12 | | 60-64 | 675,755 | 344,115 | 331,640 | | Rank | 12 | 12 | 12 | | 65-69 | 478,037 | 248,126 | 229,911 | | Rank | 12 | 12 | 12 | | 70-74 | 302,542 | 160,431 | 142,111 | | Rank | 12 | 12 | 12 | | 75-79 | 162,134 | 88,111 | 74,023 | | Rank | 13 | 13 | 14 | | 80-84 | 66,690 | 37,448 | 29,242 | | Rank | 14 | 14 | 15 | | 85-89 | 17,825 | 10,433 | 7,392 | | Rank | 17 | 17 | 17 | | 90-94 | 2,896 | 1,778 | 1,118 | | Rank | 18 | 19 | 20 | | 95-99 | 254 | 163 | 91 | | Rank | 23 | 24 | 23 | | 100+ | 12 | 8 | 4 | | Rank | 27 | 29 | 29 | | |
Birth Rates - 1981
| |
| · | Gross Reproduction Rate | 3.48 Per 1,000 | | Rank: 18 | | · | Ratio at Birth - Male to Female | 1.03 Ratio | | Rank: 72 | | · | Total Fertility Rate | 7.07 Births Per Woman | | Rank: 18 | | · | Fertility Rate | | · | 15-19 | 117.10 Per 1,000 Women | | Rank: 45 | | · | 20-24 | 272.60 Per 1,000 Women | | Rank: 46 | | · | 25-29 | 296.70 Per 1,000 Women | | Rank: 34 | | · | 30-34 | 269.00 Per 1,000 Women | | Rank: 25 | | · | 35-39 | 231.00 Per 1,000 Women | | Rank: 10 | | · | 40-44 | 132.50 Per 1,000 Women | | Rank: 13 | | · | 45-49 | 94.80 Per 1,000 Women | | Rank: 2 | |
Growth Rates - 1981
| | · | Growth Rate | 6.13 Percent | | Rank: 2 | | · | Natural Growth | 2.81 Percent | | Rank: 41 | | · | Births Per 1000 | 46.96 Per 1,000 | | Rank: 21 | | · | Net Migrants per 1000 | 33.26 Per 1,000 | | Rank: 2 | |
Mortality Rates - 1981
| | · | Life Expectancy | 45.72 Years | | Rank: 74 | | · | Female | 46.85 Years | | Rank: 74 | | · | Male | 44.63 Years | | Rank: 74 | | · | Deaths Per 1000 | 18.88 Per 1,000 | | Rank: 19 | | · | Infant Mortality Rate | 145.41 Per 1,000 Births | | Rank: 14 | | · | Female | 135.69 Per 1,000 Births | | Rank: 12 | | · | Male | 154.84 Per 1,000 Births | | Rank: 13 | | · | Mortality Rate - Age 1-4 | 84.31 Per 1,000 Births | | Rank: 29 | | · | Female | 85.51 Per 1,000 Births | | Rank: 28 | | · | Male | 83.12 Per 1,000 Births | | Rank: 31 | | · | Mortality Rate - Under Age 5 | 217.46 Per 1,000 Births | | Rank: 16 | | · | Female | 209.60 Per 1,000 Births | | Rank: 17 | | · | Male | 225.09 Per 1,000 Births | | Rank: 18 |
Land Area
| | · | Area |
| · | Square Miles | 435,186 |
| · | Square Kilometers | 1,127,127 |
| · | Area Rank |
| · | Africa | Rank: 10 |
| · | Worldwide | Rank: 28 | |
