The majority of the people of Bahrain are natives of Bahrain. There are however large migrant communities, including 13% of the population that is Asian and 10% that comes from other Arab lands. Most of the people of Bahrain are Sh'ia Muslims. Approximately 25% are Sunni Muslims.
| 1990 | 2000 | 2010 | 2016 | |
| Population, total (millions) | 0.5 | 0.66 | 1.24 | 1.43 |
| Population growth (annual %) | 3 | 4.3 | 4.6 | 3.8 |
| Surface area (sq. km) (thousands) | 0.7 | 0.7 | 0.8 | 0.8 |
| Population density (people per sq. km of land area) | 718.7 | 936.1 | 1,628.40 | 1,848.50 |
| Income share held by lowest 20% | .. | .. | .. | .. |
| Life expectancy at birth, total (years) | 72 | 74 | 76 | 77 |
| Fertility rate, total (births per woman) | 3.7 | 2.8 | 2.2 | 2 |
| Adolescent fertility rate (births per 1,000 women ages 15-19) | 26 | 18 | 14 | 13 |
| Contraceptive prevalence, any methods (% of women ages 15-49) | 54 | .. | .. | .. |
| Births attended by skilled health staff (% of total) | .. | 98 | 99 | 100 |
| Mortality rate, under-5 (per 1,000 live births) | 23 | 13 | 9 | 8 |
| Prevalence of underweight, weight for age (% of children under 5) | 6.3 | .. | .. | .. |
| Immunization, measles (% of children ages 12-23 months) | 87 | 98 | 99 | 99 |
| Primary completion rate, total (% of relevant age group) | 103 | 99 | 89 | 100 |
| School enrollment, primary (% gross) | 110.3 | 105 | 94.9 | 101.1 |
| School enrollment, secondary (% gross) | 87 | 98 | 93 | 104 |
| 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) | 0 | 0 | 0 | 0 |
| Terrestrial and marine protected areas (% of total territorial area) | 0.1 | 0.7 | .. | 1.7 |
| Annual freshwater withdrawals, total (% of internal resources) | 4,672.50 | .. | 5,967.50 | .. |
| Urban population growth (annual %) | 3.3 | 4.3 | 4.6 | 3.9 |
| Energy use (kg of oil equivalent per capita) | 10,555 | 11,989 | 10,208 | 10,594 |
| CO2 emissions (metric tons per capita) | 25.06 | 28.05 | 23.59 | 23.45 |
| Electric power consumption (kWh per capita) | 15,621 | 20,015 | 18,038 | 19,592 |