Population - 1991
| Age | Total | Female | Male |
|---|
| Total | 18,082,137 | 9,100,372 | 8,981,765 | | Rank | 46 | | | | 0-4 | 3,770,287 | 1,872,430 | 1,897,857 | | Rank | 28 | 28 | 28 | | 5-9 | 2,830,126 | 1,409,388 | 1,420,738 | | Rank | 36 | 36 | 36 | | 10-14 | 2,254,173 | 1,129,341 | 1,124,832 | | Rank | 41 | 41 | 41 | | 15-19 | 1,907,018 | 953,569 | 953,449 | | Rank | 42 | 41 | 42 | | 20-24 | 1,629,279 | 818,858 | 810,421 | | Rank | 44 | 44 | 44 | | 25-29 | 1,402,097 | 706,425 | 695,672 | | Rank | 44 | 44 | 45 | | 30-34 | 1,066,343 | 529,619 | 536,724 | | Rank | 47 | 47 | 47 | | 35-39 | 741,361 | 374,221 | 367,140 | | Rank | 53 | 52 | 53 | | 40-44 | 557,164 | 295,348 | 261,816 | | Rank | 60 | 57 | 62 | | 45-49 | 468,983 | 257,188 | 211,795 | | Rank | 59 | 53 | 61 | | 50-54 | 411,568 | 222,450 | 189,118 | | Rank | 58 | 58 | 61 | | 55-59 | 340,826 | 181,484 | 159,342 | | Rank | 59 | 59 | 59 | | 60-64 | 270,215 | 138,640 | 131,575 | | Rank | 62 | 62 | 61 | | 65-69 | 196,307 | 96,730 | 99,577 | | Rank | 66 | 67 | 61 | | 70-74 | 125,673 | 61,244 | 64,429 | | Rank | 64 | 69 | 62 | | 75-79 | 68,973 | 33,538 | 35,435 | | Rank | 73 | 75 | 69 | | 80-84 | 30,342 | 14,570 | 15,772 | | Rank | 80 | 87 | 75 | | 85-89 | 9,463 | 4,442 | 5,021 | | Rank | 87 | 93 | 77 | | 90-94 | 1,791 | 822 | 969 | | Rank | 92 | 100 | 83 | | 95-99 | 143 | 63 | 80 | | Rank | 103 | 110 | 92 | | 100+ | 5 | 2 | 3 | | Rank | 116 | 135 | 103 | | |
Birth Rates - 1991
| |
| · | Gross Reproduction Rate | 3.62 Per 1,000 | | Rank: 4 | | · | Ratio at Birth - Male to Female | 1.03 Ratio | | Rank: 146 | | · | Total Fertility Rate | 7.34 Births Per Woman | | Rank: 4 | | · | Fertility Rate | | · | 15-19 | 198.40 Per 1,000 Women | | Rank: 5 | | · | 20-24 | 333.00 Per 1,000 Women | | Rank: 2 | | · | 25-29 | 314.10 Per 1,000 Women | | Rank: 10 | | · | 30-34 | 269.50 Per 1,000 Women | | Rank: 14 | | · | 35-39 | 210.60 Per 1,000 Women | | Rank: 13 | | · | 40-44 | 105.30 Per 1,000 Women | | Rank: 21 | | · | 45-49 | 38.00 Per 1,000 Women | | Rank: 21 | |
Growth Rates - 1991
| | · | Growth Rate | 3.53 Percent | | Rank: 27 | | · | Natural Growth | 3.39 Percent | | Rank: 1 | | · | Births Per 1000 | 52.33 Per 1,000 | | Rank: 3 | | · | Net Migrants per 1000 | 1.39 Per 1,000 | | Rank: 67 | |
Mortality Rates - 1991
| | · | Life Expectancy | 45.37 Years | | Rank: 191 | | · | Female | 47.40 Years | | Rank: 189 | | · | Male | 43.40 Years | | Rank: 191 | | · | Deaths Per 1000 | 18.42 Per 1,000 | | Rank: 13 | | · | Infant Mortality Rate | 103.10 Per 1,000 Births | | Rank: 29 | | · | Female | 97.08 Per 1,000 Births | | Rank: 27 | | · | Male | 108.96 Per 1,000 Births | | Rank: 28 | | · | Mortality Rate - Age 1-4 | 80.63 Per 1,000 Births | | Rank: 18 | | · | Female | 77.58 Per 1,000 Births | | Rank: 17 | | · | Male | 83.63 Per 1,000 Births | | Rank: 20 | | · | Mortality Rate - Under Age 5 | 175.42 Per 1,000 Births | | Rank: 21 | | · | Female | 167.13 Per 1,000 Births | | Rank: 21 | | · | Male | 183.48 Per 1,000 Births | | Rank: 21 |
Land Area
| | · | Area |
| · | Square Miles | 91,136 |
| · | Square Kilometers | 236,040 |
| · | Area Rank |
| · | Africa | Rank: 34 |
| · | Worldwide | Rank: 84 | |
