>Bulgaria
People
The people of Bulgaria are primarily belong to the Bulgarian ethnic group. There is a significant Turkish minority in Bulgaria. The majority of Bulgarians are Bulgarian Orthodox, with a significant minority of Muslims. The language of Bulgaria is Bulgarian.
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| 1990 | 2000 | 2010 | 2016 | |
| Population, total (millions) | 8.72 | 8.17 | 7.4 | 7.13 |
| Population growth (annual %) | -1.8 | -0.5 | -0.7 | -0.7 |
| Surface area (sq. km) (thousands) | 111 | 111 | 111 | 111 |
| Population density (people per sq. km of land area) | 78.8 | 73.9 | 68.1 | 65.7 |
| Poverty headcount ratio at national poverty lines (% of population) | .. | 14 | 22.2 | 23.4 |
| Poverty headcount ratio at $1.90 a day (2011 PPP) (% of population) | 0 | .. | 2 | 1.5 |
| Income share held by lowest 20% | 8.3 | .. | 6.3 | 6 |
| Life expectancy at birth, total (years) | 72 | 72 | 74 | 75 |
| Fertility rate, total (births per woman) | 1.8 | 1.3 | 1.6 | 1.5 |
| Adolescent fertility rate (births per 1,000 women ages 15-19) | 70 | 44 | 44 | 40 |
| Contraceptive prevalence, any methods (% of women ages 15-49) | .. | 63 | 69 | .. |
| Births attended by skilled health staff (% of total) | 99 | 100 | 100 | 100 |
| Mortality rate, under-5 (per 1,000 live births) | 18 | 18 | 11 | 8 |
| Prevalence of underweight, weight for age (% of children under 5) | .. | .. | .. | .. |
| Immunization, measles (% of children ages 12-23 months) | 99 | 89 | 97 | 92 |
| Primary completion rate, total (% of relevant age group) | 99 | 96 | 113 | 95 |
| School enrollment, primary (% gross) | 94.7 | 103.5 | 108.5 | 94.8 |
| School enrollment, secondary (% gross) | 99 | 93 | 90 | 100 |
| School enrollment, primary and secondary (gross), gender parity index (GPI) | 1 | 1 | 1 | 1 |
| Prevalence of HIV, total (% of population ages 15-49) | 0.1 | 0.1 | 0.1 | 0.1 |
| Environment | ||||
| Forest area (sq. km) (thousands) | 33.3 | 33.8 | 37.4 | 38.2 |
| Terrestrial and marine protected areas (% of total territorial area) | .. | .. | .. | 28.3 |
| Annual freshwater withdrawals, total (% of internal resources) | 35.7 | 31.4 | 27.2 | 27.2 |
| Urban population growth (annual %) | -1.3 | -0.2 | -0.2 | -0.2 |
| Energy use (kg of oil equivalent per capita) | 3,237 | 2,277 | 2,417 | 2,478 |
| CO2 emissions (metric tons per capita) | 8.54 | 5.33 | 5.96 | 5.87 |
| Electric power consumption (kWh per capita) | 4,759 | 3,674 | 4,560 | 4,709 |