Population - 1981
| Age | Total | Female | Male |
|---|
| Total | 12,725,252 | 6,431,966 | 6,293,286 | | Rank | 52 | | | | 0-4 | 2,513,709 | 1,257,662 | 1,256,047 | | Rank | 18 | 18 | 19 | | 5-9 | 1,991,116 | 998,941 | 992,175 | | Rank | 20 | 19 | 20 | | 10-14 | 1,714,175 | 862,159 | 852,016 | | Rank | 20 | 18 | 22 | | 15-19 | 1,471,213 | 739,305 | 731,908 | | Rank | 21 | 20 | 22 | | 20-24 | 1,105,569 | 554,262 | 551,307 | | Rank | 22 | 23 | 22 | | 25-29 | 783,817 | 400,093 | 383,724 | | Rank | 23 | 23 | 23 | | 30-34 | 609,267 | 320,994 | 288,273 | | Rank | 23 | 23 | 25 | | 35-39 | 519,933 | 282,414 | 237,519 | | Rank | 23 | 23 | 24 | | 40-44 | 465,856 | 250,164 | 215,692 | | Rank | 24 | 24 | 25 | | 45-49 | 403,836 | 211,808 | 192,028 | | Rank | 24 | 24 | 25 | | 50-54 | 339,179 | 171,087 | 168,092 | | Rank | 24 | 24 | 23 | | 55-59 | 272,183 | 131,672 | 140,511 | | Rank | 24 | 24 | 23 | | 60-64 | 203,961 | 97,613 | 106,348 | | Rank | 25 | 25 | 23 | | 65-69 | 144,955 | 68,772 | 76,183 | | Rank | 25 | 25 | 24 | | 70-74 | 95,926 | 44,709 | 51,217 | | Rank | 24 | 24 | 23 | | 75-79 | 56,747 | 25,733 | 31,014 | | Rank | 24 | 25 | 23 | | 80-84 | 26,345 | 11,475 | 14,870 | | Rank | 23 | 27 | 23 | | 85-89 | 6,524 | 2,723 | 3,801 | | Rank | 28 | 35 | 25 | | 90-94 | 857 | 348 | 509 | | Rank | 41 | 48 | 32 | | 95-99 | 79 | 30 | 49 | | Rank | 43 | 51 | 37 | | 100+ | 5 | 2 | 3 | | Rank | 44 | 49 | 34 | | |
Birth Rates - 1981
| |
| · | Gross Reproduction Rate | 3.72 Per 1,000 | | Rank: 7 | | · | Ratio at Birth - Male to Female | 1.03 Ratio | | Rank: 56 | | · | Total Fertility Rate | 7.55 Births Per Woman | | Rank: 8 | | · | Fertility Rate | | · | 15-19 | 202.20 Per 1,000 Women | | Rank: 6 | | · | 20-24 | 328.50 Per 1,000 Women | | Rank: 9 | | · | 25-29 | 323.10 Per 1,000 Women | | Rank: 16 | | · | 30-34 | 281.80 Per 1,000 Women | | Rank: 17 | | · | 35-39 | 217.60 Per 1,000 Women | | Rank: 17 | | · | 40-44 | 120.50 Per 1,000 Women | | Rank: 23 | | · | 45-49 | 36.00 Per 1,000 Women | | Rank: 36 | |
Growth Rates - 1981
| | · | Growth Rate | 2.60 Percent | | Rank: 37 | | · | Natural Growth | 3.08 Percent | | Rank: 20 | | · | Births Per 1000 | 51.12 Per 1,000 | | Rank: 7 | | · | Net Migrants per 1000 | -4.85 Per 1,000 | | Rank: 63 | |
Mortality Rates - 1981
| | · | Life Expectancy | 44.31 Years | | Rank: 77 | | · | Female | 45.07 Years | | Rank: 78 | | · | Male | 43.57 Years | | Rank: 76 | | · | Deaths Per 1000 | 20.32 Per 1,000 | | Rank: 15 | | · | Infant Mortality Rate | 128.97 Per 1,000 Births | | Rank: 22 | | · | Female | 118.57 Per 1,000 Births | | Rank: 23 | | · | Male | 139.07 Per 1,000 Births | | Rank: 21 | | · | Mortality Rate - Age 1-4 | 100.81 Per 1,000 Births | | Rank: 17 | | · | Female | 97.83 Per 1,000 Births | | Rank: 19 | | · | Male | 103.78 Per 1,000 Births | | Rank: 16 | | · | Mortality Rate - Under Age 5 | 216.78 Per 1,000 Births | | Rank: 17 | | · | Female | 204.80 Per 1,000 Births | | Rank: 21 | | · | Male | 228.42 Per 1,000 Births | | Rank: 16 |
Land Area
| | · | Area |
| · | Square Miles | 91,136 |
| · | Square Kilometers | 236,040 |
| · | Area Rank |
| · | Africa | Rank: 34 |
| · | Worldwide | Rank: 84 | |
