95% of the people of Liberia are from indigenous African tribes (including Kpelle, Bassa, Gio, Kru, Grebo, Mano, Krahn, Gola, Gbandi, Loma, Kissi, Vai, and Bella), 2.5% of the populaiton is made up of Americo-Liberians (descendants of immigrants from the US who had been slaves) Languages: English 20% (official), about 20 tribal languages, of which a few can be written and are used in correspondence.
| 1990 | 2000 | 2010 | 2020 | |
| Population, total (millions) | 1.7 | 2.03 | 2 | 2.14 |
| Population growth (annual %) | 2.2 | 0.6 | 0.3 | 0.8 |
| Surface area (sq. km) (thousands) | 30.4 | 30.4 | 30.4 | 30.4 |
| Population density (people per sq. km of land area) | 56.1 | 67 | 65.7 | 70.6 |
| Income share held by lowest 20% | .. | .. | 6.5 | .. |
| Life expectancy at birth, total (years) | 46 | 52 | 60 | 64 |
| Fertility rate, total (births per woman) | 6.5 | 5.9 | 5 | 4.2 |
| Adolescent fertility rate (births per 1,000 women ages 15-19) | 170 | 149 | 140 | 135 |
| Contraceptive prevalence, any method (% of married women ages 15-49) | .. | 10 | 20 | 25 |
| Births attended by skilled health staff (% of total) | .. | 51 | 61 | 84 |
| Mortality rate, under-5 (per 1,000 live births) | 264 | 190 | 100 | 78 |
| Prevalence of underweight, weight for age (% of children under 5) | .. | 22.8 | 16.6 | 10.9 |
| Immunization, measles (% of children ages 12-23 months) | .. | 63 | 65 | 61 |
| Primary completion rate, total (% of relevant age group) | .. | .. | 67 | 61 |
| School enrollment, primary (% gross) | .. | 116.3 | 105.1 | 85.1 |
| School enrollment, secondary (% gross) | .. | 36 | 46 | .. |
| School enrollment, primary and secondary (gross), gender parity index (GPI) | .. | 1 | 1 | .. |
| Prevalence of HIV, total (% of population ages 15-49) | 1.5 | 2.6 | 1.7 | 1.1 |
| Environment | ||||
| Forest area (sq. km) (thousands) | 85.3 | 82.2 | 79.2 | 76.2 |
| Terrestrial and marine protected areas (% of total territorial area) | .. | .. | .. | 1.2 |
| Annual freshwater withdrawals, total (% of internal resources) | 0.1 | 0.1 | 0.1 | 0.1 |
| Urban population growth (annual %) | 3.4 | 6.1 | 4.4 | 3.3 |
| Energy use (kg of oil equivalent per capita) | .. | .. | .. | .. |
| CO2 emissions (metric tons per capita) | 0.22 | 0.15 | 0.19 | 0.24 |
| Electric power consumption (kWh per capita) | .. | .. | .. | .. |