Tanzania population rate of natural increase (RNI) 1950 to 2100
| Year | Rate of Natural Increase | Population |
|---|---|---|
| 1980 | 2.823 | 18,654,562 |
| 1985 | 2.826 | 21,501,733 |
| 1990 | 2.858 | 24,873,121 |
| 1995 | 2.781 | 29,245,338 |
| 2000 | 2.917 | 33,494,079 |
| 2005 | 2.962 | 38,730,523 |
| 2010 | 3.038 | 44,520,989 |
| 2015 | 3.055 | 51,891,917 |
| 2020 | 2.888 | 60,362,612 |
| 2024 | 2.756 | 67,462,121 |
| 2025 | 2.723 | 69,311,326 |
| 2026 | 2.695 | 71,191,205 |
| 2030 | 2.579 | 79,022,692 |
| 2035 | 2.436 | 89,502,233 |
| 2040 | 2.269 | 100,625,421 |
| 2045 | 2.11 | 112,240,774 |
| 2050 | 1.949 | 124,222,573 |
| 2055 | 1.821 | 136,504,805 |
| 2060 | 1.685 | 149,012,254 |
| 2065 | 1.546 | 161,554,553 |
| 2070 | 1.405 | 173,926,608 |
| 2075 | 1.261 | 185,911,191 |
| 2080 | 1.115 | 197,288,565 |
| 2085 | 0.969 | 207,838,092 |
| 2090 | 0.818 | 217,334,854 |
| 2095 | 0.665 | 225,546,507 |
| 2100 | 0.507 | 232,250,531 |
Data from US Census International Database