Population - 1981
| Age | Total | Female | Male |
|---|
| Total | 12,367,521 | 6,341,074 | 6,026,447 | | Rank | 53 | | | | 0-4 | 2,180,674 | 1,095,681 | 1,084,993 | | Rank | 21 | 21 | 21 | | 5-9 | 1,824,705 | 923,246 | 901,459 | | Rank | 22 | 21 | 22 | | 10-14 | 1,522,985 | 775,685 | 747,300 | | Rank | 23 | 23 | 24 | | 15-19 | 1,280,767 | 655,085 | 625,682 | | Rank | 23 | 23 | 23 | | 20-24 | 1,086,169 | 555,955 | 530,214 | | Rank | 23 | 22 | 23 | | 25-29 | 923,074 | 472,955 | 450,119 | | Rank | 22 | 22 | 22 | | 30-34 | 771,702 | 395,935 | 375,767 | | Rank | 22 | 22 | 22 | | 35-39 | 647,397 | 332,950 | 314,447 | | Rank | 22 | 22 | 22 | | 40-44 | 537,206 | 276,766 | 260,440 | | Rank | 22 | 22 | 22 | | 45-49 | 442,159 | 229,327 | 212,832 | | Rank | 23 | 23 | 23 | | 50-54 | 351,631 | 185,635 | 165,996 | | Rank | 23 | 23 | 24 | | 55-59 | 275,523 | 147,772 | 127,751 | | Rank | 23 | 22 | 25 | | 60-64 | 204,081 | 111,646 | 92,435 | | Rank | 24 | 22 | 26 | | 65-69 | 145,481 | 81,088 | 64,393 | | Rank | 24 | 22 | 26 | | 70-74 | 94,302 | 53,606 | 40,696 | | Rank | 25 | 22 | 27 | | 75-79 | 51,433 | 30,180 | 21,253 | | Rank | 27 | 23 | 27 | | 80-84 | 21,323 | 13,069 | 8,254 | | Rank | 27 | 24 | 32 | | 85-89 | 5,859 | 3,776 | 2,083 | | Rank | 32 | 27 | 37 | | 90-94 | 961 | 653 | 308 | | Rank | 36 | 34 | 42 | | 95-99 | 85 | 61 | 24 | | Rank | 42 | 42 | 45 | | 100+ | 4 | 3 | 1 | | Rank | 45 | 45 | 64 | | |
Birth Rates - 1981
| |
| · | Gross Reproduction Rate | 3.19 Per 1,000 | | Rank: 38 | | · | Ratio at Birth - Male to Female | 1.02 Ratio | | Rank: 87 | | · | Total Fertility Rate | 6.43 Births Per Woman | | Rank: 40 | | · | Fertility Rate | | · | 15-19 | 157.50 Per 1,000 Women | | Rank: 24 | | · | 20-24 | 308.10 Per 1,000 Women | | Rank: 21 | | · | 25-29 | 269.90 Per 1,000 Women | | Rank: 53 | | · | 30-34 | 193.40 Per 1,000 Women | | Rank: 65 | | · | 35-39 | 172.80 Per 1,000 Women | | Rank: 47 | | · | 40-44 | 145.20 Per 1,000 Women | | Rank: 5 | | · | 45-49 | 38.60 Per 1,000 Women | | Rank: 33 | |
Growth Rates - 1981
| | · | Growth Rate | 1.90 Percent | | Rank: 64 | | · | Natural Growth | 1.90 Percent | | Rank: 85 | | · | Births Per 1000 | 47.32 Per 1,000 | | Rank: 18 | | · | Net Migrants per 1000 | 0.08 Per 1,000 | | Rank: 23 | |
Mortality Rates - 1981
| | · | Life Expectancy | 34.88 Years | | Rank: 91 | | · | Female | 36.22 Years | | Rank: 91 | | · | Male | 33.55 Years | | Rank: 91 | | · | Deaths Per 1000 | 28.37 Per 1,000 | | Rank: 1 | | · | Infant Mortality Rate | 211.01 Per 1,000 Births | | Rank: 1 | | · | Female | 178.52 Per 1,000 Births | | Rank: 4 | | · | Male | 242.96 Per 1,000 Births | | Rank: 1 | | · | Mortality Rate - Age 1-4 | 153.26 Per 1,000 Births | | Rank: 3 | | · | Female | 170.72 Per 1,000 Births | | Rank: 2 | | · | Male | 134.64 Per 1,000 Births | | Rank: 6 | | · | Mortality Rate - Under Age 5 | 331.93 Per 1,000 Births | | Rank: 1 | | · | Female | 318.76 Per 1,000 Births | | Rank: 2 | | · | Male | 344.89 Per 1,000 Births | | Rank: 1 |
Land Area
| | · | Area |
| · | Square Miles | 309,496 |
| · | Square Kilometers | 801,590 |
| · | Area Rank |
| · | Africa | Rank: 16 |
| · | Worldwide | Rank: 37 | |
