| Table 3 : Summary of Population Projection (Medium Fertility Decline Variant) | |||||
| 2001 | 2006 | 2011 | 2016 | 2021 | |
| Fertility | |||||
| Input TFR | 4 | 3.5 | 3 | 2.9 | 2.8 |
| GRR | 1.95 | 1.71 | 1.46 | 1.41 | 1.37 |
| NRR | 1.66 | 1.5 | 1.31 | 1.29 | 1.26 |
| Child-woman ratio | 0.55 | 0.54 | 0.47 | 0.44 | 0.42 |
| Mortality | |||||
| Male Life Expectation at birth | 60.1 | 62.9 | 64.7 | 66.2 | 67.4 |
| Female Life Expectation at birth | 60.7 | 63.7 | 65.7 | 67.4 | 68.8 |
| Total Life Expectation at birth | 60.4 | 63.3 | 65.2 | 66.8 | 68.1 |
| Vital Rates | |||||
| CBR per 1000 | 33.3 | 30 | 26.2 | 25.2 | 23.8 |
| CDR per 1000 | 10 | 8.7 | 7.8 | 7.4 | 7.1 |
| GR percent | 2.23 | 1.98 | 1.83 | 1.74 | |
| Population | |||||
| Total population | 23,151,423 | 25,886,736 | 28,584,975 | 31,327,341 | 34,172,144 |
| Male population | 11,563,921 | 12,963,722 | 14,343,343 | 15,745,554 | 17,199,235 |
| Female population | 11,587,502 | 12,923,014 | 14,241,632 | 15,581,787 | 16,972,909 |
| Percent 0-4 (Population 0-4/Total population) | 13.69 | 13.79 | 12.44 | 11.63 | 11.16 |
| Percent 5-14 (Population 5-14/Total population) | 25.61 | 23.68 | 23.14 | 22.39 | 20.8 |
| Percent 0-14 (Population 0-14/Total population) | 39.3 | 37.47 | 35.58 | 34.02 | 31.96 |
| Percent 15-49 (Population 15-49/Total population) | 48.7 | 50.38 | 51.77 | 52.54 | 53.63 |
| Percent 15-64 (Population 15-64/Total population) | 56.79 | 58.55 | 60.31 | 61.66 | 63.44 |
| Percent 65 & over (Population 65 & over/Total population) | 3.91 | 3.98 | 4.11 | 4.31 | 4.61 |
| Percent female15-49 (Population 15-49/Total population) | 49.79 | 51.39 | 52.61 | 53.07 | 53.8 |
| Sex ratio* | 99.8 | 100.31 | 100.71 | 101.05 | 101.33 |
| Dependency ratio ** | 0.76 | 0.71 | 0.66 | 0.62 | 0.58 |
| Median age | 20 | 21 | 22 | 23 | 24 |
| * Population projection was made on the assumption of zero net migration. It results in sex ratio more than 100 after 2001. | |||||
| **Dependency ratio is a ratio of Pop. Less than 15 and more than 65 years divided by Pop. 15-65 Years | |||||