The latest officially reported population of Brunei was 466,330 in 2025 vs 3,568,978 people in Mongolia in 2025. In 2026, based on the adjusted UN estimation, the current Brunei's population is 471,596 people compared to 3,630,744 in Mongolia.
Population statistics:
- Mongolia's population is 7.7 times bigger than Brunei's.
- Brunei is ranked the 170th most populous country in the world, while Mongolia is the 132nd.
- The countries together account for 0.05% of the world: 0.006% for Brunei vs 0.04% for Mongolia.
- For the last 10 years, Brunei has had an average growth rate of +1.03% per year vs +1.71% in Mongolia.
- Since 2006, the population of Brunei has increased from 365K people to 472K (29.3% growth), while Mongolia has grown from 2.57M to 3.63M (41.4% growth).
Brunei vs Mongolia: population by year and forecast
| Year | Population | |
|---|---|---|
Brunei
|
Mongolia
|
|
| 2100 | 467,305 | 5,630,532 |
| 2099 | 468,844 | 5,624,298 |
| 2098 | 470,362 | 5,616,442 |
| 2097 | 471,774 | 5,607,739 |
| 2096 | 473,274 | 5,598,366 |
| 2095 | 474,709 | 5,587,141 |
| 2094 | 476,211 | 5,575,743 |
| 2093 | 477,690 | 5,563,600 |
| 2092 | 479,206 | 5,550,506 |
| 2091 | 480,680 | 5,537,031 |
| 2090 | 482,205 | 5,522,419 |
| 2089 | 483,829 | 5,507,083 |
| 2088 | 485,465 | 5,491,226 |
| 2087 | 487,012 | 5,475,425 |
| 2086 | 488,509 | 5,459,661 |
| 2085 | 490,142 | 5,442,388 |
| 2084 | 491,731 | 5,424,928 |
| 2083 | 493,405 | 5,406,747 |
| 2082 | 495,083 | 5,388,623 |
| 2081 | 496,722 | 5,369,593 |
| 2080 | 498,316 | 5,349,817 |
| 2079 | 499,888 | 5,329,240 |
| 2078 | 501,377 | 5,307,283 |
| 2077 | 502,966 | 5,286,383 |
| 2076 | 504,477 | 5,264,220 |
| 2075 | 506,274 | 5,241,700 |
| 2074 | 507,959 | 5,218,897 |
| 2073 | 509,492 | 5,195,622 |
| 2072 | 510,925 | 5,172,532 |
| 2071 | 512,139 | 5,149,066 |
| 2070 | 513,323 | 5,124,853 |
| 2069 | 514,593 | 5,101,195 |
| 2068 | 515,914 | 5,077,035 |
| 2067 | 517,235 | 5,052,818 |
| 2066 | 518,340 | 5,027,552 |
| 2065 | 519,319 | 5,002,655 |
| 2064 | 520,157 | 4,978,185 |
| 2063 | 520,866 | 4,953,806 |
| 2062 | 521,364 | 4,929,364 |
| 2061 | 521,880 | 4,904,690 |
| 2060 | 522,301 | 4,878,877 |
| 2059 | 522,678 | 4,852,963 |
| 2058 | 523,011 | 4,826,761 |
| 2057 | 523,253 | 4,799,120 |
| 2056 | 523,298 | 4,771,151 |
| 2055 | 523,308 | 4,742,184 |
| 2054 | 523,127 | 4,711,735 |
| 2053 | 522,924 | 4,679,745 |
| 2052 | 522,555 | 4,646,658 |
| 2051 | 521,910 | 4,612,090 |
| 2050 | 521,119 | 4,576,701 |
| 2049 | 520,183 | 4,539,215 |
| 2048 | 519,132 | 4,500,638 |
| 2047 | 517,984 | 4,460,511 |
| 2046 | 516,748 | 4,419,188 |
| 2045 | 515,241 | 4,376,222 |
| 2044 | 513,822 | 4,333,010 |
| 2043 | 512,299 | 4,289,776 |
| 2042 | 510,642 | 4,245,757 |
| 2041 | 508,802 | 4,201,838 |
| 2040 | 506,973 | 4,158,320 |
| 2039 | 504,969 | 4,115,023 |
| 2038 | 502,664 | 4,072,646 |
| 2037 | 500,520 | 4,030,644 |
| 2036 | 498,350 | 3,989,867 |
| 2035 | 495,973 | 3,950,239 |
| 2034 | 493,539 | 3,911,316 |
| 2033 | 491,041 | 3,873,353 |
| 2032 | 488,550 | 3,836,311 |
| 2031 | 485,750 | 3,800,027 |
| 2030 | 482,789 | 3,763,374 |
| 2029 | 479,823 | 3,726,490 |
| 2028 | 476,642 | 3,688,767 |
| 2027 | 473,245 | 3,650,012 |
| 2026 | 469,856 | 3,610,395 |
| 2025 | 466,330 | 3,568,978 |
| 2024 | 462,721 | 3,524,788 |
| 2023 | 458,949 | 3,481,145 |
| 2022 | 455,370 | 3,433,748 |
| 2021 | 451,721 | 3,383,741 |
| 2020 | 447,404 | 3,327,204 |
| 2019 | 442,680 | 3,267,673 |
| 2018 | 437,810 | 3,208,189 |
| 2017 | 432,772 | 3,148,917 |
| 2016 | 427,564 | 3,088,856 |
| 2015 | 422,212 | 3,026,864 |
| 2014 | 416,750 | 2,963,113 |
| 2013 | 411,202 | 2,899,011 |
| 2012 | 405,557 | 2,839,705 |
| 2011 | 399,389 | 2,786,317 |
| 2010 | 392,332 | 2,738,622 |
| 2009 | 384,952 | 2,691,115 |
| 2008 | 377,793 | 2,643,201 |
| 2007 | 370,873 | 2,601,850 |
| 2006 | 364,663 | 2,567,168 |
| 2005 | 358,916 | 2,536,407 |
| 2004 | 352,911 | 2,508,412 |
| 2003 | 346,637 | 2,480,374 |
| 2002 | 340,099 | 2,449,027 |
| 2001 | 333,345 | 2,417,751 |
| 2000 | 326,424 | 2,388,299 |
| 1999 | 319,411 | 2,356,813 |
| 1998 | 312,385 | 2,323,809 |
| 1997 | 305,341 | 2,291,750 |
| 1996 | 298,276 | 2,259,507 |
| 1995 | 291,195 | 2,224,945 |
| 1994 | 284,091 | 2,189,395 |
| 1993 | 276,971 | 2,165,130 |
| 1992 | 269,839 | 2,167,790 |
| 1991 | 262,596 | 2,165,342 |
| 1990 | 255,292 | 2,098,710 |
| 1989 | 248,064 | 2,124,185 |
| 1988 | 240,913 | 2,076,322 |
| 1987 | 233,860 | 2,022,800 |
| 1986 | 226,495 | 1,970,965 |
| 1985 | 218,919 | 1,921,514 |
| 1984 | 211,661 | 1,874,349 |
| 1983 | 204,741 | 1,829,092 |
| 1982 | 198,165 | 1,785,364 |
| 1981 | 191,977 | 1,742,857 |
| 1980 | 186,111 | 1,701,335 |
| 1979 | 180,422 | 1,660,659 |
| 1978 | 174,884 | 1,619,468 |
| 1977 | 169,277 | 1,576,245 |
| 1976 | 163,607 | 1,531,945 |
| 1975 | 158,070 | 1,488,296 |
| 1974 | 152,656 | 1,446,050 |
| 1973 | 147,369 | 1,405,502 |
| 1972 | 142,189 | 1,366,821 |
| 1971 | 137,921 | 1,330,071 |
| 1970 | 135,138 | 1,295,272 |
| 1969 | 131,446 | 1,262,284 |
| 1968 | 126,222 | 1,229,930 |
| 1967 | 121,017 | 1,196,996 |
| 1966 | 115,874 | 1,163,754 |
| 1965 | 110,838 | 1,131,177 |
| 1964 | 105,922 | 1,100,234 |
| 1963 | 101,159 | 1,071,362 |
| 1962 | 96,719 | 1,041,444 |
| 1961 | 92,517 | 1,009,284 |
| 1960 | 88,347 | 977,595 |
Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/brunei/mongolia | CC BY 
From 2006 to 2016, the population of Brunei increased by 62,901 people (a 17.2% growth), while Mongolia gained 521,688 people (a 20.3% growth).
For the next 10 years, from 2016 to 2026, Brunei gained 44,032 people (a 10.3% growth), while Mongolia's population increased by 541,888 people (a 17.5% growth).
Brunei was ranked 169th most populous country in 2006 and is 170th in 2026. Mongolia was ranked 137th in 2006 and ranked 132nd now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Brunei's population will grow by 10.5% to 521,119 people with a rank change from 170th to 171st. The population of Mongolia will increase by 26.1% to 4,576,701 people and rank change from 132nd to 130th.
Brunei is projected to reach its peak in 2055 at 523K people compared to the peak of 5.63M people in 2100 for Mongolia.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Brunei
|
Mongolia
|
|
| 2100 | -0.33% | 0.11% |
| 2099 | -0.32% | 0.14% |
| 2098 | -0.3% | 0.16% |
| 2097 | -0.32% | 0.17% |
| 2096 | -0.3% | 0.2% |
| 2095 | -0.32% | 0.2% |
| 2094 | -0.31% | 0.22% |
| 2093 | -0.32% | 0.24% |
| 2092 | -0.31% | 0.24% |
| 2091 | -0.32% | 0.26% |
| 2090 | -0.34% | 0.28% |
| 2089 | -0.34% | 0.29% |
| 2088 | -0.32% | 0.29% |
| 2087 | -0.31% | 0.29% |
| 2086 | -0.33% | 0.32% |
| 2085 | -0.32% | 0.32% |
| 2084 | -0.34% | 0.34% |
| 2083 | -0.34% | 0.34% |
| 2082 | -0.33% | 0.35% |
| 2081 | -0.32% | 0.37% |
| 2080 | -0.31% | 0.39% |
| 2079 | -0.3% | 0.41% |
| 2078 | -0.32% | 0.4% |
| 2077 | -0.3% | 0.42% |
| 2076 | -0.35% | 0.43% |
| 2075 | -0.33% | 0.44% |
| 2074 | -0.3% | 0.45% |
| 2073 | -0.28% | 0.45% |
| 2072 | -0.24% | 0.46% |
| 2071 | -0.23% | 0.47% |
| 2070 | -0.25% | 0.46% |
| 2069 | -0.26% | 0.48% |
| 2068 | -0.26% | 0.48% |
| 2067 | -0.21% | 0.5% |
| 2066 | -0.19% | 0.5% |
| 2065 | -0.16% | 0.49% |
| 2064 | -0.14% | 0.49% |
| 2063 | -0.1% | 0.5% |
| 2062 | -0.1% | 0.5% |
| 2061 | -0.08% | 0.53% |
| 2060 | -0.07% | 0.53% |
| 2059 | -0.06% | 0.54% |
| 2058 | -0.05% | 0.58% |
| 2057 | -0.009% | 0.59% |
| 2056 | -0.002% | 0.61% |
| 2055 | 0.03% | 0.65% |
| 2054 | 0.04% | 0.68% |
| 2053 | 0.07% | 0.71% |
| 2052 | 0.12% | 0.75% |
| 2051 | 0.15% | 0.77% |
| 2050 | 0.18% | 0.83% |
| 2049 | 0.2% | 0.86% |
| 2048 | 0.22% | 0.9% |
| 2047 | 0.24% | 0.94% |
| 2046 | 0.29% | 0.98% |
| 2045 | 0.28% | 1% |
| 2044 | 0.3% | 1.01% |
| 2043 | 0.32% | 1.04% |
| 2042 | 0.36% | 1.05% |
| 2041 | 0.36% | 1.05% |
| 2040 | 0.4% | 1.05% |
| 2039 | 0.46% | 1.04% |
| 2038 | 0.43% | 1.04% |
| 2037 | 0.44% | 1.02% |
| 2036 | 0.48% | 1% |
| 2035 | 0.49% | 1% |
| 2034 | 0.51% | 0.98% |
| 2033 | 0.51% | 0.97% |
| 2032 | 0.58% | 0.95% |
| 2031 | 0.61% | 0.97% |
| 2030 | 0.62% | 0.99% |
| 2029 | 0.67% | 1.02% |
| 2028 | 0.72% | 1.06% |
| 2027 | 0.72% | 1.1% |
| 2026 | 0.76% | 1.16% |
| 2025 | 0.78% | 1.25% |
| 2024 | 0.82% | 1.25% |
| 2023 | 0.79% | 1.38% |
| 2022 | 0.81% | 1.48% |
| 2021 | 0.96% | 1.7% |
| 2020 | 1.07% | 1.82% |
| 2019 | 1.11% | 1.85% |
| 2018 | 1.16% | 1.88% |
| 2017 | 1.22% | 1.94% |
| 2016 | 1.27% | 2.05% |
| 2015 | 1.31% | 2.15% |
| 2014 | 1.35% | 2.21% |
| 2013 | 1.39% | 2.09% |
| 2012 | 1.54% | 1.92% |
| 2011 | 1.8% | 1.74% |
| 2010 | 1.92% | 1.77% |
| 2009 | 1.89% | 1.81% |
| 2008 | 1.87% | 1.59% |
| 2007 | 1.7% | 1.35% |
| 2006 | 1.6% | 1.21% |
| 2005 | 1.7% | 1.12% |
| 2004 | 1.81% | 1.13% |
| 2003 | 1.92% | 1.28% |
| 2002 | 2.03% | 1.29% |
| 2001 | 2.12% | 1.23% |
| 2000 | 2.2% | 1.34% |
| 1999 | 2.25% | 1.42% |
| 1998 | 2.31% | 1.4% |
| 1997 | 2.37% | 1.43% |
| 1996 | 2.43% | 1.55% |
| 1995 | 2.5% | 1.62% |
| 1994 | 2.57% | 1.12% |
| 1993 | 2.64% | -0.12% |
| 1992 | 2.76% | 0.11% |
| 1991 | 2.86% | 3.17% |
| 1990 | 2.91% | -1.2% |
| 1989 | 2.97% | 2.31% |
| 1988 | 3.02% | 2.65% |
| 1987 | 3.25% | 2.63% |
| 1986 | 3.46% | 2.57% |
| 1985 | 3.43% | 2.52% |
| 1984 | 3.38% | 2.47% |
| 1983 | 3.32% | 2.45% |
| 1982 | 3.22% | 2.44% |
| 1981 | 3.15% | 2.44% |
| 1980 | 3.15% | 2.45% |
| 1979 | 3.17% | 2.54% |
| 1978 | 3.31% | 2.74% |
| 1977 | 3.47% | 2.89% |
| 1976 | 3.5% | 2.93% |
| 1975 | 3.55% | 2.92% |
| 1974 | 3.59% | 2.88% |
| 1973 | 3.64% | 2.83% |
| 1972 | 3.09% | 2.76% |
| 1971 | 2.06% | 2.69% |
| 1970 | 2.81% | 2.61% |
| 1969 | 4.14% | 2.63% |
| 1968 | 4.3% | 2.75% |
| 1967 | 4.44% | 2.86% |
| 1966 | 4.54% | 2.88% |
| 1965 | 4.64% | 2.81% |
| 1964 | 4.71% | 2.69% |
| 1963 | 4.59% | 2.87% |
| 1962 | 4.54% | 3.19% |
| 1961 | 4.72% | 3.24% |
Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).
GeoRank.org/population/brunei/mongolia | CC BY
In 2025, the population of Brunei grew by 0.78%, while Mongolia's population grew by 1.25%.
Live population counters
|
Brunei
|
Mongolia
|
|
|---|---|---|
| Current population |
471596
|
3630744
|
| Population rank | 170/197 | 132/197 |
| Percent of world population | 0.006% | 0.04% |
| One net population change |
2.43 hours
|
11.9 minutes
|
| One birth every |
1.42 hours
|
8.82 minutes
|
| One death every |
3.55 hours
|
27.1 minutes
|
| Daily growth/decline | +10 | +121 |
| Annual growth/decline | +3,609 | +44,190 |
| Annual growth/decline rate | +0.78% | +1.25% |
| Population growth rate rank | 113/197 | 81/197 |
| One migration net change every |
1.08 years
|
4.63 days
|
| Annual migration change | +0 | +79 |
| Net migration rank | 77/196 | 74/196 |
| Foreign-born residents | 119,933 | 22,589 |
| Foreign-born residents rank | 124/195 | 169/195 |
| Foreign-born share of population | 25.9% | 0.6% |
| Foreign-born share rank | 21/195 | 171/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Brunei
|
Mongolia
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | 0 | - | 79 |
| 2024 | 3,699 | 0 | 40,182 | 83 |
| 2023 | 3,837 | 0 | 46,995 | 0 |
| 2022 | 3,319 | 0 | 47,730 | 0 |
| 2021 | 3,985 | 0 | 52,109 | 0 |
| 2020 | 4,188 | 462 | 60,888 | 0 |
| 2019 | 4,335 | 456 | 61,433 | 8,660 |
| 2018 | 4,502 | 450 | 60,635 | 7,811 |
| 2017 | 4,685 | 440 | 57,940 | 6,831 |
| 2016 | 4,876 | 415 | 62,086 | 5,633 |
| 2015 | 5,060 | 356 | 64,473 | 4,307 |
| 2014 | 5,206 | 303 | 66,078 | 2,921 |
| 2013 | 5,302 | 285 | 62,618 | 1,505 |
| 2012 | 5,349 | 346 | 55,942 | 351 |
| 2011 | 5,242 | 1,399 | 50,711 | -505 |
| 2010 | 5,003 | 2,479 | 44,914 | -6,444 |
| 2009 | 4,789 | 2,489 | 48,876 | -15,007 |
| 2008 | 4,624 | 2,409 | 45,843 | -17,277 |
| 2007 | 4,521 | 2,291 | 39,636 | -15,220 |
| 2006 | 4,590 | 1,030 | 33,609 | -11,934 |
| 2005 | 4,703 | 1,163 | 29,290 | -8,924 |
| 2004 | 4,874 | 1,261 | 28,418 | -8,148 |
| 2003 | 5,034 | 1,383 | 28,827 | -7,986 |
| 2002 | 5,169 | 1,499 | 30,439 | -8,934 |
| 2001 | 5,275 | 1,569 | 32,052 | -10,244 |
| 2000 | 5,331 | 1,660 | 32,753 | -11,241 |
| 1999 | 5,388 | 1,639 | 32,283 | -13,481 |
| 1998 | 5,466 | 1,566 | 31,757 | -10,315 |
| 1997 | 5,518 | 1,533 | 32,403 | -9,132 |
| 1996 | 5,606 | 1,464 | 33,741 | -8,626 |
| 1995 | 5,750 | 1,348 | 34,473 | -7,346 |
| 1994 | 5,907 | 1,206 | 34,711 | -5,449 |
| 1993 | 6,045 | 1,082 | 36,924 | -5,429 |
| 1992 | 6,169 | 969 | 42,437 | -8,404 |
| 1991 | 6,259 | 1,087 | 47,884 | -11,427 |
| 1990 | 6,265 | 992 | 49,443 | -11,881 |
| 1989 | 6,202 | 1,002 | 51,420 | -9,757 |
| 1988 | 6,135 | 962 | 51,588 | 2,459 |
| 1987 | 6,017 | 994 | 51,140 | 1,855 |
| 1986 | 5,826 | 1,897 | 50,329 | 354 |
| 1985 | 5,620 | 1,808 | 49,944 | -1,719 |
| 1984 | 5,373 | 1,722 | 48,562 | -2,452 |
| 1983 | 5,138 | 1,602 | 46,919 | -2,522 |
| 1982 | 4,931 | 1,475 | 45,179 | -2,132 |
| 1981 | 4,839 | 1,124 | 43,588 | -1,615 |
| 1980 | 4,775 | 995 | 42,343 | -1,268 |
| 1979 | 4,717 | 899 | 41,568 | -1,296 |
| 1978 | 4,668 | 791 | 40,276 | 1,833 |
| 1977 | 4,594 | 1,157 | 38,995 | 5,354 |
| 1976 | 4,518 | 1,080 | 37,670 | 6,577 |
| 1975 | 4,431 | 1,047 | 36,490 | 6,556 |
| 1974 | 4,334 | 1,011 | 35,297 | 6,153 |
| 1973 | 4,216 | 1,007 | 33,993 | 5,647 |
| 1972 | 4,085 | 1,053 | 32,727 | 4,999 |
| 1971 | 3,880 | -476 | 31,536 | 4,238 |
| 1970 | 3,694 | -1,538 | 30,558 | 3,263 |
| 1969 | 3,618 | 1,608 | 29,781 | 2,366 |
| 1968 | 3,551 | 1,677 | 29,017 | 3,535 |
| 1967 | 3,477 | 1,703 | 28,178 | 5,139 |
| 1966 | 3,403 | 1,697 | 27,338 | 5,837 |
| 1965 | 3,326 | 1,655 | 26,364 | 5,610 |
| 1964 | 3,264 | 1,595 | 25,317 | 4,599 |
| 1963 | 3,195 | 1,469 | 24,142 | 3,687 |
| 1962 | 3,128 | 1,088 | 22,960 | 9,049 |
| 1961 | 3,175 | 1,014 | 21,873 | 10,440 |
| 1960 | 3,168 | 982 | 20,726 | 10,334 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/brunei/mongolia | CC BY
Over the last 10 years, 94.3% of the population change in Brunei is from natural causes (a gain of 42,486 people) and 5.72% is from migration (a gain of 2,579 people). In Mongolia 94.3% is from natural causes (a gain of 554,471 people) and 5.67% is from migration (a gain of 33,325 people).
As of 2024, 119,933 residents or 25.9% of the population were not native-born in Brunei, compared to 22,589 people or 0.6% in Mongolia.
Biggest cities by population
Compare countries by 7 more topics
Population differences between Brunei and Mongolia
|
Brunei
|
Mongolia
|
|
|---|---|---|
| Life expectancy | 75.8 years | 72.5 years |
| Average age | 34.3 years | 29.9 years |
| Median age | 33.7 years | 27.9 years |
| Male:Female ratio | 53.1:46.9 | 49.8:50.2 |
| Fertility rate | 1.73 births per woman | 2.5 births per woman |
| Population density | 230.9 ppl/mi² | 6 ppl/mi² |
Population map with other countries
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).
GeoRank.org/population/brunei/mongolia | CC BY
Help us show the world through your eyes
Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.
Data sources:
- World Bank | Health (1960–2025, retrieved 2026-07-08)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
- U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
- Wikidata (2026, retrieved 2026-07-08)
Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.