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Population in Australia compared to Mongolia: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Australia was 27,614,411 in 2025 vs 3,568,978 people in Mongolia in 2025. In 2026, based on the adjusted UN estimation, the current Australia's population is 28,010,980 people compared to 3,630,744 in Mongolia.

Population statistics:

  • Australia's population is 7.71 times bigger than Mongolia's.
  • Australia is ranked the 55th most populous country in the world, while Mongolia is the 132nd.
  • The countries together account for 0.38% of the world: 0.34% for Australia vs 0.04% for Mongolia.
  • For the last 10 years, Australia has had an average growth rate of +1.49% per year vs +1.71% in Mongolia.
  • Since 2006, the population of Australia has increased from 20.5M people to 28M (37% growth), while Mongolia has grown from 2.57M to 3.63M (41.4% growth).

Australia vs Mongolia: population by year and forecast

Australia
Factual

Projection
Mongolia
Factual

Projection
1x
Year Population
Australia Mongolia
2100 44,268,623 5,630,532
2099 44,045,424 5,624,298
2098 43,816,219 5,616,442
2097 43,573,042 5,607,739
2096 43,335,272 5,598,366
2095 43,106,279 5,587,141
2094 42,884,039 5,575,743
2093 42,648,686 5,563,600
2092 42,410,825 5,550,506
2091 42,168,735 5,537,031
2090 41,927,939 5,522,419
2089 41,695,112 5,507,083
2088 41,454,360 5,491,226
2087 41,226,316 5,475,425
2086 41,005,658 5,459,661
2085 40,792,190 5,442,388
2084 40,580,657 5,424,928
2083 40,356,871 5,406,747
2082 40,140,558 5,388,623
2081 39,916,925 5,369,593
2080 39,703,296 5,349,817
2079 39,489,029 5,329,240
2078 39,273,623 5,307,283
2077 39,056,566 5,286,383
2076 38,845,418 5,264,220
2075 38,632,596 5,241,700
2074 38,418,045 5,218,897
2073 38,207,153 5,195,622
2072 37,999,068 5,172,532
2071 37,792,119 5,149,066
2070 37,578,242 5,124,853
2069 37,359,215 5,101,195
2068 37,138,635 5,077,035
2067 36,919,449 5,052,818
2066 36,701,629 5,027,552
2065 36,492,733 5,002,655
2064 36,290,454 4,978,185
2063 36,076,918 4,953,806
2062 35,866,124 4,929,364
2061 35,656,154 4,904,690
2060 35,450,525 4,878,877
2059 35,244,589 4,852,963
2058 35,027,089 4,826,761
2057 34,817,156 4,799,120
2056 34,607,988 4,771,151
2055 34,393,278 4,742,184
2054 34,179,940 4,711,735
2053 33,970,136 4,679,745
2052 33,760,935 4,646,658
2051 33,546,695 4,612,090
2050 33,330,712 4,576,701
2049 33,115,090 4,539,215
2048 32,887,237 4,500,638
2047 32,671,939 4,460,511
2046 32,443,408 4,419,188
2045 32,220,633 4,376,222
2044 32,001,023 4,333,010
2043 31,780,612 4,289,776
2042 31,556,888 4,245,757
2041 31,336,104 4,201,838
2040 31,119,045 4,158,320
2039 30,906,074 4,115,023
2038 30,686,214 4,072,646
2037 30,471,145 4,030,644
2036 30,247,954 3,989,867
2035 30,023,790 3,950,239
2034 29,801,152 3,911,316
2033 29,576,548 3,873,353
2032 29,349,199 3,836,311
2031 29,115,445 3,800,027
2030 28,877,548 3,763,374
2029 28,638,212 3,726,490
2028 28,388,452 3,688,767
2027 28,135,058 3,650,012
2026 27,879,933 3,610,395
2025 27,614,411 3,568,978
2024 27,194,286 3,524,788
2023 26,659,922 3,481,145
2022 26,018,721 3,433,748
2021 25,685,412 3,383,741
2020 25,649,248 3,327,204
2019 25,334,826 3,267,673
2018 24,963,258 3,208,189
2017 24,592,588 3,148,917
2016 24,190,907 3,088,856
2015 23,815,995 3,026,864
2014 23,475,686 2,963,113
2013 23,128,129 2,899,011
2012 22,733,465 2,839,705
2011 22,340,024 2,786,317
2010 22,031,750 2,738,622
2009 21,691,653 2,691,115
2008 21,249,199 2,643,201
2007 20,827,622 2,601,850
2006 20,450,966 2,567,168
2005 20,176,844 2,536,407
2004 19,932,722 2,508,412
2003 19,720,737 2,480,374
2002 19,495,210 2,449,027
2001 19,274,701 2,417,751
2000 19,028,802 2,388,299
1999 18,812,264 2,356,813
1998 18,607,584 2,323,809
1997 18,423,037 2,291,750
1996 18,224,767 2,259,507
1995 18,004,882 2,224,945
1994 17,805,468 2,189,395
1993 17,634,808 2,165,130
1992 17,478,635 2,167,790
1991 17,284,036 2,165,342
1990 17,065,128 2,098,710
1989 16,814,416 2,124,185
1988 16,532,164 2,076,322
1987 16,263,874 2,022,800
1986 16,018,350 1,970,965
1985 15,788,312 1,921,514
1984 15,579,391 1,874,349
1983 15,393,472 1,829,092
1982 15,184,247 1,785,364
1981 14,923,260 1,742,857
1980 14,692,000 1,701,335
1979 14,514,000 1,660,659
1978 14,358,000 1,619,468
1977 14,192,000 1,576,245
1976 14,033,000 1,531,945
1975 13,893,000 1,488,296
1974 13,723,000 1,446,050
1973 13,380,000 1,405,502
1972 13,177,000 1,366,821
1971 12,937,000 1,330,071
1970 12,507,000 1,295,272
1969 12,263,000 1,262,284
1968 12,009,000 1,229,930
1967 11,799,000 1,196,996
1966 11,651,000 1,163,754
1965 11,388,000 1,131,177
1964 11,167,000 1,100,234
1963 10,950,000 1,071,362
1962 10,742,000 1,041,444
1961 10,483,000 1,009,284
1960 10,276,477 977,595

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/australia/mongolia | CC BY

From 2006 to 2016, the population of Australia increased by 3,739,941 people (a 18.3% growth), while Mongolia gained 521,688 people (a 20.3% growth).

For the next 10 years, from 2016 to 2026, Australia gained 3,820,073 people (a 15.8% growth), while Mongolia's population increased by 541,888 people (a 17.5% growth).

Australia was ranked 54th most populous country in 2006 and is 55th 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) Australia's population will grow by 19% to 33,330,712 people with a rank change from 55th to 59th. The population of Mongolia will increase by 26.1% to 4,576,701 people and rank change from 132nd to 130th.

Australia is projected to reach its peak in 2100 at 44.3M people compared to the peak of 5.63M people in 2100 for Mongolia.

Population growth rate by year

Australia
Factual

Projection
Mongolia
Factual

Projection
1x
Year Growth rate
Australia Mongolia
2100 0.51% 0.11%
2099 0.52% 0.14%
2098 0.56% 0.16%
2097 0.55% 0.17%
2096 0.53% 0.2%
2095 0.52% 0.2%
2094 0.55% 0.22%
2093 0.56% 0.24%
2092 0.57% 0.24%
2091 0.57% 0.26%
2090 0.56% 0.28%
2089 0.58% 0.29%
2088 0.55% 0.29%
2087 0.54% 0.29%
2086 0.52% 0.32%
2085 0.52% 0.32%
2084 0.55% 0.34%
2083 0.54% 0.34%
2082 0.56% 0.35%
2081 0.54% 0.37%
2080 0.54% 0.39%
2079 0.55% 0.41%
2078 0.56% 0.4%
2077 0.54% 0.42%
2076 0.55% 0.43%
2075 0.56% 0.44%
2074 0.55% 0.45%
2073 0.55% 0.45%
2072 0.55% 0.46%
2071 0.57% 0.47%
2070 0.59% 0.46%
2069 0.59% 0.48%
2068 0.59% 0.48%
2067 0.59% 0.5%
2066 0.57% 0.5%
2065 0.56% 0.49%
2064 0.59% 0.49%
2063 0.59% 0.5%
2062 0.59% 0.5%
2061 0.58% 0.53%
2060 0.58% 0.53%
2059 0.62% 0.54%
2058 0.6% 0.58%
2057 0.6% 0.59%
2056 0.62% 0.61%
2055 0.62% 0.65%
2054 0.62% 0.68%
2053 0.62% 0.71%
2052 0.64% 0.75%
2051 0.65% 0.77%
2050 0.65% 0.83%
2049 0.69% 0.86%
2048 0.66% 0.9%
2047 0.7% 0.94%
2046 0.69% 0.98%
2045 0.69% 1%
2044 0.69% 1.01%
2043 0.71% 1.04%
2042 0.7% 1.05%
2041 0.7% 1.05%
2040 0.69% 1.05%
2039 0.72% 1.04%
2038 0.71% 1.04%
2037 0.74% 1.02%
2036 0.75% 1%
2035 0.75% 1%
2034 0.76% 0.98%
2033 0.77% 0.97%
2032 0.8% 0.95%
2031 0.82% 0.97%
2030 0.84% 0.99%
2029 0.88% 1.02%
2028 0.9% 1.06%
2027 0.92% 1.1%
2026 0.96% 1.16%
2025 1.54% 1.25%
2024 2% 1.25%
2023 2.46% 1.38%
2022 1.3% 1.48%
2021 0.14% 1.7%
2020 1.24% 1.82%
2019 1.49% 1.85%
2018 1.51% 1.88%
2017 1.66% 1.94%
2016 1.57% 2.05%
2015 1.45% 2.15%
2014 1.5% 2.21%
2013 1.74% 2.09%
2012 1.76% 1.92%
2011 1.4% 1.74%
2010 1.57% 1.77%
2009 2.08% 1.81%
2008 2.02% 1.59%
2007 1.84% 1.35%
2006 1.36% 1.21%
2005 1.22% 1.12%
2004 1.07% 1.13%
2003 1.16% 1.28%
2002 1.14% 1.29%
2001 1.29% 1.23%
2000 1.15% 1.34%
1999 1.1% 1.42%
1998 1% 1.4%
1997 1.09% 1.43%
1996 1.22% 1.55%
1995 1.12% 1.62%
1994 0.97% 1.12%
1993 0.89% -0.12%
1992 1.13% 0.11%
1991 1.28% 3.17%
1990 1.49% -1.2%
1989 1.71% 2.31%
1988 1.65% 2.65%
1987 1.53% 2.63%
1986 1.46% 2.57%
1985 1.34% 2.52%
1984 1.21% 2.47%
1983 1.38% 2.45%
1982 1.75% 2.44%
1981 1.57% 2.44%
1980 1.23% 2.45%
1979 1.09% 2.54%
1978 1.17% 2.74%
1977 1.13% 2.89%
1976 1.01% 2.93%
1975 1.24% 2.92%
1974 2.56% 2.88%
1973 1.54% 2.83%
1972 1.86% 2.76%
1971 3.44% 2.69%
1970 1.99% 2.61%
1969 2.12% 2.63%
1968 1.78% 2.75%
1967 1.27% 2.86%
1966 2.31% 2.88%
1965 1.98% 2.81%
1964 1.98% 2.69%
1963 1.94% 2.87%
1962 2.47% 3.19%
1961 2.01% 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/australia/mongolia | CC BY

In 2025, the population of Australia grew by 1.54%, while Mongolia's population grew by 1.25%.

Live population counters

Australia Mongolia
Current population
28010980
3630744
Population rank 55/197 132/197
Percent of world population 0.34% 0.04%
One net population change
1.25 minutes
11.9 minutes
One birth every
1.81 minutes
8.82 minutes
One death every
2.81 minutes
27.1 minutes
Daily growth/decline +1,151 +121
Annual growth/decline +420,125 +44,190
Annual growth/decline rate +1.54% +1.25%
Population growth rate rank 68/197 81/197
One migration net change every
3.84 minutes
4.63 days
Annual migration change +137,109 +79
Net migration rank 11/196 74/196
Foreign-born residents 8,111,404 22,589
Foreign-born residents rank 9/195 169/195
Foreign-born share of population 30.4% 0.6%
Foreign-born share rank 18/195 171/195

Natural population change vs migration

Australia
Natural

Migration
Mongolia
Natural

Migration
1x
Year Population change
Australia Mongolia
Natural Migration Natural Migration
2025 - 137,109 - 79
2024 103,773 138,510 40,182 83
2023 104,641 140,232 46,995 0
2022 111,881 140,972 47,730 0
2021 138,701 116,768 52,109 0
2020 133,376 44,447 60,888 0
2019 136,808 207,142 61,433 8,660
2018 157,269 226,412 60,635 7,811
2017 150,015 255,023 57,940 6,831
2016 152,403 254,648 62,086 5,633
2015 150,041 212,350 64,473 4,307
2014 154,940 200,177 66,078 2,921
2013 159,584 215,823 62,618 1,505
2012 161,408 235,776 55,942 351
2011 156,380 197,657 50,711 -505
2010 158,628 166,752 44,914 -6,444
2009 160,518 235,628 48,876 -15,007
2008 155,119 275,773 45,843 -17,277
2007 154,124 249,873 39,636 -15,220
2006 132,931 191,985 33,609 -11,934
2005 129,132 131,371 29,290 -8,924
2004 115,610 110,072 28,418 -8,148
2003 118,325 104,437 28,827 -7,986
2002 116,971 108,852 30,439 -8,934
2001 117,575 117,552 32,052 -10,244
2000 119,882 111,186 32,753 -11,241
1999 118,517 92,900 32,283 -13,481
1998 120,949 81,310 31,757 -10,315
1997 121,592 67,661 32,403 -9,132
1996 125,751 82,965 33,741 -8,626
1995 131,436 80,456 34,473 -7,346
1994 131,761 51,941 34,711 -5,449
1993 137,551 23,833 36,924 -5,429
1992 139,829 40,767 42,437 -8,404
1991 138,273 68,847 47,884 -11,427
1990 143,347 100,093 49,443 -11,881
1989 127,789 144,042 51,420 -9,757
1988 127,298 153,330 51,588 2,459
1987 128,484 136,421 51,140 1,855
1986 123,342 113,061 50,329 354
1985 143,674 98,327 49,944 -1,719
1984 123,077 79,617 48,562 -2,452
1983 130,844 73,251 46,919 -2,522
1982 126,030 111,722 45,179 -2,132
1981 125,356 121,921 43,588 -1,615
1980 117,536 89,189 42,343 -1,268
1979 116,112 52,137 41,568 -1,296
1978 116,299 45,832 40,276 1,833
1977 117,793 44,946 38,995 5,354
1976 115,070 32,792 37,670 6,577
1975 123,648 25,336 36,490 6,556
1974 128,996 56,167 35,297 6,153
1973 136,476 62,928 33,993 5,647
1972 155,488 54,895 32,727 4,999
1971 165,593 223,991 31,536 4,238
1970 145,081 256,295 30,558 3,263
1969 143,477 108,770 29,781 2,366
1968 132,099 100,963 29,017 3,535
1967 126,249 80,904 28,178 5,139
1966 126,996 110,864 27,338 5,837
1965 122,990 118,891 26,364 5,610
1964 128,420 91,588 25,317 4,599
1963 140,161 73,237 24,142 3,687
1962 143,943 58,315 22,960 9,049
1961 150,955 64,495 21,873 10,440
1960 141,816 85,707 20,726 10,334

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/australia/mongolia | CC BY

Over the last 10 years, 43.5% of the population change in Australia is from natural causes (a gain of 1,338,908 people) and 56.5% is from migration (a gain of 1,736,504 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, 8,111,404 residents or 30.4% of the population were not native-born in Australia, compared to 22,589 people or 0.6% in Mongolia.

Biggest cities by population

Australia
City Population
Sydney 5.45M
Melbourne 5.35M
Brisbane 2.71M
Perth 2.14M
Adelaide 1.39M
Gold Coast 608K
Canberra 381K
Sunshine Coast 284K
Wollongong 262K
Ipswich 233K
Mongolia
City Population
Ulaanbaatar 1.4M
Bulgan 12.3K

Compare countries by 7 more topics

Population map with other countries

1x

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/australia/mongolia | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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