The population of the Caucasus is waning, with Georgia and Armenia having decreasing populations and Azerbaijan having a decaying birth rate.
| Year | Armenia | Azerbaijan | Georgia |
| 1955 | 1563507 | 3329387 | 3713133 |
| 1960 | 1874121 | 3895397 | 4007723 |
| 1965 | 2211319 | 4592609 | 4371527 |
| 1970 | 2525068 | 5180023 | 4713342 |
| 1975 | 2832759 | 5674133 | 4873639 |
| 1980 | 3099754 | 6150733 | 5017833 |
| 1985 | 3335940 | 6666447 | 5211454 |
| 1990 | 3538171 | 7242761 | 5410399 |
| 1995 | 3217348 | 7775424 | 4976260 |
| 2000 | 3069591 | 8122741 | 4362187 |
| 2005 | 2981269 | 8538605 | 4210168 |
| 2010 | 2877319 | 9032461 | 4099099 |
| 2015 | 2925553 | 9622745 | 4024183 |
| 2020 | 2963243 | 10139177 | 3989167 |
| 2025 | 2977276 | 10495686 | 3929296 |
| 2030 | 2967005 | 10739732 | 3853306 |
| 2035 | 2940412 | 10925974 | 3771769 |
| 2040 | 2905148 | 11055057 | 3689319 |
| 2045 | 2864550 | 11101323 | 3605417 |
| 2050 | 2816112 | 11064999 | 3516865 |
