The population of Brunei Darussalam is expected to grow by 5,000 in 2021 and reach 455,000 in 2022. Migration (including immigration and emigration) increases population by 352 people yearly. The population density of Brunei has changed from 36.8 in 1980 to 83.4 in 2019.
| Current population | 453,973 people at present (Sunday 17th of October 2021) | |
| Median Age | 33.3 years |
| Population density | 85.3 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2021 | 450,000 | 5,000 (1.1%) | 352 | 33.3 | 85 | 355,000 (78.9%) | |
| 2020 | 445,000 | 6,000 (1.4%) | 352 | 33.0 | 1.82 | 84 | 349,000 (78.6%) |
| 2019 | 0 | 0 (0.0%) | 352 | 32.5 | 1.84 | 83 | 344,000 (78.3%) |
| 2018 | 0 | 0 (0.0%) | 352 | 32.1 | 1.85 | 82 | 339,000 (78.1%) |
| 2017 | 0 | 0 (0.0%) | 352 | 31.7 | 1.86 | 81 | 334,000 (77.8%) |
| 2016 | 0 | 0 (0.0%) | 352 | 31.3 | 1.87 | 80 | 327,998 (77.5%) |
| 2015 | 417,542 | 5,838 (1.4%) | 352 | 31.0 | 1.88 | 79 | 322,351 (77.2%) |
| 2010 | 388,662 | 4,890 (1.3%) | 406 | 29.0 | 1.84 | 74 | 293,479 (75.5%) |
| 2005 | 365,158 | 5,635 (1.5%) | -418 | 28.0 | 1.85 | 69 | 268,402 (73.5%) |
| 2000 | 333,241 | 6,952 (2.1%) | 669 | 26.4 | 2.22 | 63 | 237,148 (71.2%) |
| 1995 | 297,192 | 7,667 (2.6%) | 643 | 25.3 | 2.80 | 56 | 204,004 (68.6%) |
| 1990 | 258,785 | 7,271 (2.8%) | 774 | 24.7 | 3.29 | 49 | 170,366 (65.8%) |
| 1985 | 224,512 | 6,285 (2.8%) | 568 | 23.9 | 3.61 | 43 | 139,763 (62.3%) |
| 1980 | 193,949 | 6,293 (3.2%) | 587 | 23.0 | 4.07 | 37 | 116,156 (59.9%) |
| 1975 | 161,671 | 6,562 (4.1%) | 1,467 | 24.2 | 4.99 | 31 | 100,226 (62.0%) |
| 1970 | 129,583 | 5,930 (4.6%) | 1,954 | 23.8 | 5.72 | 25 | 79,920 (61.7%) |
| 1965 | 102,425 | 4,577 (4.5%) | 1,927 | 23.4 | 6.30 | 19 | 53,901 (52.6%) |
| 1960 | 81,745 | 3,851 (4.5%) | 978 | 23.8 | 6.84 | 16 | 35,478 (43.4%) |
In 2020 the population of Brunei was 445,000 and the average age increased from 23.8 in 1960 to 33.0. Urban population has increased from 237,148 (71.2%) in 2000 to 355,000 (78.9%) in the current year. The population density of Brunei has changed from 36.8 in 1980 to 83.4 in 2019.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 (0.0%) | 352 | 33.0 | 1.82 | 84 | 349,000 (78.6%) |
| 2025 | 469,000 | 5,000 (1.1%) | 352 | 34.9 | 1.78 | 89 | 374,000 (79.7%) |
| 2030 | 490,000 | 4,000 (0.8%) | 352 | 36.7 | 1.75 | 93 | 395,000 (80.7%) |
| 2035 | 507,000 | 3,000 (0.6%) | 352 | 38.6 | 1.73 | 96 | 413,000 (81.5%) |
| 2040 | 520,000 | 2,000 (0.4%) | 352 | 40.2 | 1.72 | 99 | 428,000 (82.4%) |
| 2045 | 530,000 | 2,000 (0.4%) | 352 | 41.8 | 1.71 | 101 | 441,000 (83.2%) |
| 2050 | 537,000 | 1,000 (0.2%) | 352 | 43.0 | 1.71 | 102 | 451,000 (84.0%) |
The life expectancy at birth should reach 82.3 (81.2 years for male and 83.5 years for females). Population density will go up to 101.8 people per square kilometer.
The population growth rate is 1.12% (6,000 residents, including 1,669 deaths). The demographics of Brunei constitutes of 219,000 women and 231,000 men, which means there are 1,055 men per 1000 women. As far as age distribution goes, 28.9% of population (130,095) is 19 or younger, 64.6% of population (290,565) is between age 20 and 64 and 6.0% of population (26,775) is over 65.