The people of Fiji are made up of Fijian- 51%, Indian 44%, European, other Pacific Islanders, overseas Chinese, and other 5%. The Fijians are primarily Christian while the Indians are Hindu.
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| 1990 | 2000 | 2010 | 2020 | |
| Population, total (millions) | 0.73 | 0.81 | 0.86 | 0.9 | 
| Population growth (annual %) | 0.5 | 0.6 | 0.7 | 0.7 | 
| Surface area (sq. km) (thousands) | 18.3 | 18.3 | 18.3 | 18.3 | 
| Population density (people per sq. km of land area) | 39.9 | 44.4 | 47.1 | 49.1 | 
| Poverty headcount ratio at national poverty lines (% of population) | .. | 39.8 | 35.2 | 29.9 | 
| Poverty headcount ratio at $1.90 a day (2011 PPP) (% of population) | .. | 2.3 | 1.6 | .. | 
| Income share held by lowest 20% | .. | 6.7 | 6.6 | .. | 
| Life expectancy at birth, total (years) | 65 | 66 | 67 | 67 | 
| Fertility rate, total (births per woman) | 3.4 | 3.1 | 2.8 | 2.8 | 
| Adolescent fertility rate (births per 1,000 women ages 15-19) | 63 | 43 | 46 | 49 | 
| Contraceptive prevalence, any method (% of married women ages 15-49) | .. | 44 | 32 | .. | 
| Births attended by skilled health staff (% of total) | 95 | 97 | 100 | .. | 
| Mortality rate, under-5 (per 1,000 live births) | 29 | 22 | 24 | 27 | 
| Prevalence of underweight, weight for age (% of children under 5) | 6.9 | .. | .. | .. | 
| Immunization, measles (% of children ages 12-23 months) | 84 | 81 | 96 | 96 | 
| Primary completion rate, total (% of relevant age group) | 105 | 95 | 105 | 109 | 
| School enrollment, primary (% gross) | 108.7 | 101.6 | 105.7 | 116.5 | 
| School enrollment, secondary (% gross) | 77 | 78 | 91 | .. | 
| 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 | 0.1 | 0.2 | 
| Environment | ||||
| Forest area (sq. km) (thousands) | 9.4 | 10.1 | 10.7 | 11.4 | 
| Terrestrial and marine protected areas (% of total territorial area) | .. | .. | .. | 1 | 
| Annual freshwater withdrawals, total (% of internal resources) | 0.2 | 0.3 | 0.3 | 0.3 | 
| Urban population growth (annual %) | 2.4 | 1.4 | 1.7 | 1.6 | 
| Energy use (kg of oil equivalent per capita) | 392 | .. | 627 | .. | 
| CO2 emissions (metric tons per capita) | 1 | 1.05 | 1.35 | 2.15 | 
| Electric power consumption (kWh per capita) | .. | .. | .. | .. |