The people of Armenia are almost all ethnic Armenians, 93%, with small numbers of Russians and other nationalities. Armenia has a literacy rate of 99%
| 1990 | 2000 | 2010 | 2016 | |
| Population, total (millions) | 3.54 | 3.07 | 2.88 | 2.92 |
| Population growth (annual %) | 0 | -0.6 | -0.4 | 0.3 |
| Life expectancy at birth, total (years) | 68 | 71 | 73 | 75 |
| Fertility rate, total (births per woman) | 2.5 | 1.6 | 1.7 | 1.6 |
| Adolescent fertility rate (births per 1,000 women ages 15-19) | 74 | 39 | 27 | 24 |
| Contraceptive prevalence, any methods (% of women ages 15-49) | 56 | 61 | 55 | 57 |
| Births attended by skilled health staff (% of total) | 100 | 97 | 100 | 100 |
| Mortality rate, under-5 (per 1,000 live births) | 50 | 30 | 18 | 13 |
| Prevalence of underweight, weight for age (% of children under 5) | .. | 2.6 | 5.3 | 2.6 |
| Immunization, measles (% of children ages 12-23 months) | 93 | 92 | 97 | 97 |
| Primary completion rate, total (% of relevant age group) | .. | 94 | 106 | 90 |
| School enrollment, primary (% gross) | 104.3 | 98.7 | 110.8 | 94.3 |
| School enrollment, secondary (% gross) | 92 | 92 | 100 | 86 |
| School enrollment, primary and secondary (gross), gender parity index (GPI) | .. | 1 | 1 | 1 |
| Prevalence of HIV, total (% of population ages 15-49) | 0.1 | 0.1 | 0.2 | 0.2 |
| Environment | ||||
| Forest area (sq. km) (thousands) | 3.4 | 3.3 | 3.3 | 3.3 |
| Terrestrial and marine protected areas (% of total territorial area) | 7.9 | 18.6 | .. | 23.1 |
| Annual freshwater withdrawals, total (% of internal resources) | .. | 25.3 | 42.9 | 42.9 |
| Urban population growth (annual %) | -0.4 | -1.1 | -0.7 | 0.1 |
| Energy use (kg of oil equivalent per capita) | 2,179 | 656 | 863 | 1,018 |
| CO2 emissions (metric tons per capita) | 1.69 | 1.13 | 1.47 | 1.9 |
| Electric power consumption (kWh per capita) | 2,723 | 1,298 | 1,726 | 1,966 |