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

Updated on by Georank

The latest officially reported population of Australia was 27,614,411 in 2025 vs 71,619,863 people in Thailand in 2025. In 2026, based on the adjusted UN estimation, the current Australia's population is 28,010,980 people compared to 71,565,981 in Thailand.

Population statistics:

  • Thailand's population is 2.55 times bigger than Australia's.
  • Australia is ranked the 55th most populous country in the world, while Thailand is the 21st.
  • The countries together account for 1.2% of the world: 0.34% for Australia vs 0.86% for Thailand.
  • For the last 10 years, Australia has had an average growth rate of +1.49% per year vs +0.18% in Thailand.
  • Since 2006, the population of Australia has increased from 20.5M people to 28M (37% growth), while Thailand has grown from 66.6M to 71.6M (7.51% growth).

Australia vs Thailand: population by year and forecast

Australia
Factual

Projection
Thailand
Factual

Projection
1x
Year Population
Australia Thailand
2100 44,268,623 45,708,431
2099 44,045,424 46,053,146
2098 43,816,219 46,403,189
2097 43,573,042 46,757,918
2096 43,335,272 47,118,652
2095 43,106,279 47,484,043
2094 42,884,039 47,853,561
2093 42,648,686 48,226,682
2092 42,410,825 48,605,235
2091 42,168,735 48,984,504
2090 41,927,939 49,368,049
2089 41,695,112 49,756,629
2088 41,454,360 50,142,276
2087 41,226,316 50,532,164
2086 41,005,658 50,925,294
2085 40,792,190 51,321,960
2084 40,580,657 51,724,454
2083 40,356,871 52,127,592
2082 40,140,558 52,533,368
2081 39,916,925 52,938,345
2080 39,703,296 53,347,733
2079 39,489,029 53,762,492
2078 39,273,623 54,177,529
2077 39,056,566 54,595,112
2076 38,845,418 55,015,291
2075 38,632,596 55,438,108
2074 38,418,045 55,867,914
2073 38,207,153 56,300,358
2072 37,999,068 56,735,274
2071 37,792,119 57,172,515
2070 37,578,242 57,616,731
2069 37,359,215 58,061,962
2068 37,138,635 58,512,248
2067 36,919,449 58,962,990
2066 36,701,629 59,413,893
2065 36,492,733 59,873,261
2064 36,290,454 60,331,851
2063 36,076,918 60,792,306
2062 35,866,124 61,257,068
2061 35,656,154 61,720,030
2060 35,450,525 62,187,380
2059 35,244,589 62,651,158
2058 35,027,089 63,113,332
2057 34,817,156 63,572,746
2056 34,607,988 64,027,520
2055 34,393,278 64,473,146
2054 34,179,940 64,912,210
2053 33,970,136 65,338,122
2052 33,760,935 65,758,061
2051 33,546,695 66,162,612
2050 33,330,712 66,552,915
2049 33,115,090 66,931,487
2048 32,887,237 67,291,479
2047 32,671,939 67,636,461
2046 32,443,408 67,967,131
2045 32,220,633 68,281,902
2044 32,001,023 68,579,656
2043 31,780,612 68,864,788
2042 31,556,888 69,133,982
2041 31,336,104 69,390,832
2040 31,119,045 69,626,857
2039 30,906,074 69,848,522
2038 30,686,214 70,056,903
2037 30,471,145 70,250,371
2036 30,247,954 70,429,677
2035 30,023,790 70,599,021
2034 29,801,152 70,751,094
2033 29,576,548 70,891,510
2032 29,349,199 71,019,665
2031 29,115,445 71,134,882
2030 28,877,548 71,241,584
2029 28,638,212 71,337,147
2028 28,388,452 71,423,119
2027 28,135,058 71,499,411
2026 27,879,933 71,565,981
2025 27,614,411 71,619,863
2024 27,194,286 71,668,011
2023 26,659,922 71,702,435
2022 26,018,721 71,735,329
2021 25,685,412 71,727,332
2020 25,649,248 71,641,484
2019 25,334,826 71,522,271
2018 24,963,258 71,376,079
2017 24,592,588 71,160,187
2016 24,190,907 70,859,841
2015 23,815,995 70,540,795
2014 23,475,686 70,216,367
2013 23,128,129 69,845,114
2012 22,733,465 69,436,098
2011 22,340,024 69,007,208
2010 22,031,750 68,579,447
2009 21,691,653 68,121,080
2008 21,249,199 67,619,830
2007 20,827,622 67,102,394
2006 20,450,966 66,567,687
2005 20,176,844 66,017,420
2004 19,932,722 65,452,047
2003 19,720,737 64,868,166
2002 19,495,210 64,266,437
2001 19,274,701 63,651,141
2000 19,028,802 63,007,815
1999 18,812,264 62,299,043
1998 18,607,584 61,522,630
1997 18,423,037 60,724,584
1996 18,224,767 59,920,064
1995 18,004,882 59,098,232
1994 17,805,468 58,260,854
1993 17,634,808 57,408,198
1992 17,478,635 56,528,834
1991 17,284,036 55,637,434
1990 17,065,128 54,738,329
1989 16,814,416 53,848,956
1988 16,532,164 52,969,595
1987 16,263,874 52,074,105
1986 16,018,350 51,177,834
1985 15,788,312 50,270,753
1984 15,579,391 49,351,708
1983 15,393,472 48,423,309
1982 15,184,247 47,494,577
1981 14,923,260 46,575,855
1980 14,692,000 45,650,022
1979 14,514,000 44,718,434
1978 14,358,000 43,788,976
1977 14,192,000 42,843,974
1976 14,033,000 41,896,504
1975 13,893,000 40,940,005
1974 13,723,000 39,952,891
1973 13,380,000 38,947,787
1972 13,177,000 37,933,929
1971 12,937,000 36,937,387
1970 12,507,000 35,954,408
1969 12,263,000 34,973,782
1968 12,009,000 34,002,560
1967 11,799,000 33,037,801
1966 11,651,000 32,086,071
1965 11,388,000 31,149,337
1964 11,167,000 30,232,141
1963 10,950,000 29,342,322
1962 10,742,000 28,481,040
1961 10,483,000 27,650,334
1960 10,276,477 26,851,747

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/thailand | CC BY

From 2006 to 2016, the population of Australia increased by 3,739,941 people (a 18.3% growth), while Thailand gained 4,292,154 people (a 6.45% growth).

For the next 10 years, from 2016 to 2026, Australia gained 3,820,073 people (a 15.8% growth), while Thailand's population increased by 706,140 people (a 1% growth).

Australia was ranked 54th most populous country in 2006 and is 55th in 2026. Thailand was ranked 19th in 2006 and ranked 21st 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 Thailand will decrease by 7% to 66,552,915 people and rank change from 21st to 31st.

Australia is projected to reach its peak in 2100 at 44.3M people, while Thailand's population already peaked in 2022 at 71.7M people and is projected to decrease to 45.7M people by 2100.

Population growth rate by year

Australia
Factual

Projection
Thailand
Factual

Projection
1x
Year Growth rate
Australia Thailand
2100 0.51% -0.75%
2099 0.52% -0.75%
2098 0.56% -0.76%
2097 0.55% -0.77%
2096 0.53% -0.77%
2095 0.52% -0.77%
2094 0.55% -0.77%
2093 0.56% -0.78%
2092 0.57% -0.77%
2091 0.57% -0.78%
2090 0.56% -0.78%
2089 0.58% -0.77%
2088 0.55% -0.77%
2087 0.54% -0.77%
2086 0.52% -0.77%
2085 0.52% -0.78%
2084 0.55% -0.77%
2083 0.54% -0.77%
2082 0.56% -0.76%
2081 0.54% -0.77%
2080 0.54% -0.77%
2079 0.55% -0.77%
2078 0.56% -0.76%
2077 0.54% -0.76%
2076 0.55% -0.76%
2075 0.56% -0.77%
2074 0.55% -0.77%
2073 0.55% -0.77%
2072 0.55% -0.76%
2071 0.57% -0.77%
2070 0.59% -0.77%
2069 0.59% -0.77%
2068 0.59% -0.76%
2067 0.59% -0.76%
2066 0.57% -0.77%
2065 0.56% -0.76%
2064 0.59% -0.76%
2063 0.59% -0.76%
2062 0.59% -0.75%
2061 0.58% -0.75%
2060 0.58% -0.74%
2059 0.62% -0.73%
2058 0.6% -0.72%
2057 0.6% -0.71%
2056 0.62% -0.69%
2055 0.62% -0.68%
2054 0.62% -0.65%
2053 0.62% -0.64%
2052 0.64% -0.61%
2051 0.65% -0.59%
2050 0.65% -0.57%
2049 0.69% -0.53%
2048 0.66% -0.51%
2047 0.7% -0.49%
2046 0.69% -0.46%
2045 0.69% -0.43%
2044 0.69% -0.41%
2043 0.71% -0.39%
2042 0.7% -0.37%
2041 0.7% -0.34%
2040 0.69% -0.32%
2039 0.72% -0.3%
2038 0.71% -0.28%
2037 0.74% -0.25%
2036 0.75% -0.24%
2035 0.75% -0.21%
2034 0.76% -0.2%
2033 0.77% -0.18%
2032 0.8% -0.16%
2031 0.82% -0.15%
2030 0.84% -0.13%
2029 0.88% -0.12%
2028 0.9% -0.11%
2027 0.92% -0.09%
2026 0.96% -0.08%
2025 1.54% -0.07%
2024 2% -0.05%
2023 2.46% -0.05%
2022 1.3% 0.01%
2021 0.14% 0.12%
2020 1.24% 0.17%
2019 1.49% 0.2%
2018 1.51% 0.3%
2017 1.66% 0.42%
2016 1.57% 0.45%
2015 1.45% 0.46%
2014 1.5% 0.53%
2013 1.74% 0.59%
2012 1.76% 0.62%
2011 1.4% 0.62%
2010 1.57% 0.67%
2009 2.08% 0.74%
2008 2.02% 0.77%
2007 1.84% 0.8%
2006 1.36% 0.83%
2005 1.22% 0.86%
2004 1.07% 0.9%
2003 1.16% 0.94%
2002 1.14% 0.97%
2001 1.29% 1.02%
2000 1.15% 1.14%
1999 1.1% 1.26%
1998 1% 1.31%
1997 1.09% 1.34%
1996 1.22% 1.39%
1995 1.12% 1.44%
1994 0.97% 1.49%
1993 0.89% 1.56%
1992 1.13% 1.6%
1991 1.28% 1.64%
1990 1.49% 1.65%
1989 1.71% 1.66%
1988 1.65% 1.72%
1987 1.53% 1.75%
1986 1.46% 1.8%
1985 1.34% 1.86%
1984 1.21% 1.92%
1983 1.38% 1.96%
1982 1.75% 1.97%
1981 1.57% 2.03%
1980 1.23% 2.08%
1979 1.09% 2.12%
1978 1.17% 2.21%
1977 1.13% 2.26%
1976 1.01% 2.34%
1975 1.24% 2.47%
1974 2.56% 2.58%
1973 1.54% 2.67%
1972 1.86% 2.7%
1971 3.44% 2.73%
1970 1.99% 2.8%
1969 2.12% 2.86%
1968 1.78% 2.92%
1967 1.27% 2.97%
1966 2.31% 3.01%
1965 1.98% 3.03%
1964 1.98% 3.03%
1963 1.94% 3.02%
1962 2.47% 3%
1961 2.01% 2.97%

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/thailand | CC BY

In 2025, the population of Australia grew by 1.54%, while Thailand's population declined by 0.07%.

Live population counters

Australia Thailand
Current population
28010980
71565981
Population rank 55/197 21/197
Percent of world population 0.34% 0.86%
One net population change
1.25 minutes
10.9 minutes
One birth every
1.81 minutes
54.2 seconds
One death every
2.81 minutes
48.7 seconds
Daily growth/decline +1,151 -132
Annual growth/decline +420,125 -48,148
Annual growth/decline rate +1.54% -0.07%
Population growth rate rank 68/197 164/197
One migration net change every
3.84 minutes
19.2 minutes
Annual migration change +137,109 +27,509
Net migration rank 11/196 30/196
Foreign-born residents 8,111,404 3,179,399
Foreign-born residents rank 9/195 21/195
Foreign-born share of population 30.4% 4.4%
Foreign-born share rank 18/195 100/195

Natural population change vs migration

Australia
Natural

Migration
Thailand
Natural

Migration
1x
Year Population change
Australia Thailand
Natural Migration Natural Migration
2025 - 137,109 - 27,509
2024 103,773 138,510 -65,720 23,321
2023 104,641 140,232 -46,105 19,648
2022 111,881 140,972 -61,046 21,683
2021 138,701 116,768 57,382 -2,093
2020 133,376 44,447 84,107 32,277
2019 136,808 207,142 116,867 5,221
2018 157,269 226,412 159,383 10,984
2017 150,015 255,023 194,695 66,805
2016 152,403 254,648 226,255 112,978
2015 150,041 212,350 266,362 32,500
2014 154,940 200,177 294,628 55,358
2013 159,584 215,823 325,059 67,452
2012 161,408 235,776 351,485 74,033
2011 156,380 197,657 365,670 66,607
2010 158,628 166,752 370,466 52,791
2009 160,518 235,628 382,636 110,883
2008 155,119 275,773 401,730 107,333
2007 154,124 249,873 425,362 100,486
2006 132,931 191,985 441,211 102,362
2005 129,132 131,371 456,378 100,542
2004 115,610 110,072 466,542 107,199
2003 118,325 104,437 488,003 105,917
2002 116,971 108,852 504,299 105,215
2001 117,575 117,552 524,230 96,817
2000 119,882 111,186 543,884 121,640
1999 118,517 92,900 578,073 173,924
1998 120,949 81,310 617,318 183,471
1997 121,592 67,661 644,834 150,411
1996 125,751 82,965 661,397 152,397
1995 131,436 80,456 682,703 147,226
1994 131,761 51,941 712,589 132,271
1993 137,551 23,833 737,696 122,746
1992 139,829 40,767 754,999 143,318
1991 138,273 68,847 760,508 124,034
1990 143,347 100,093 760,808 152,916
1989 127,789 144,042 774,563 90,497
1988 127,298 153,330 765,252 128,469
1987 128,484 136,421 774,498 122,791
1986 123,342 113,061 783,430 111,820
1985 143,674 98,327 776,935 141,963
1984 123,077 79,617 779,856 139,345
1983 130,844 73,251 794,239 143,393
1982 126,030 111,722 817,951 101,885
1981 125,356 121,921 839,297 78,337
1980 117,536 89,189 845,575 88,478
1979 116,112 52,137 843,434 85,693
1978 116,299 45,832 847,799 82,011
1977 117,793 44,946 871,232 88,937
1976 115,070 32,792 894,072 40,656
1975 123,648 25,336 911,980 66,306
1974 128,996 56,167 923,151 72,801
1973 136,476 62,928 933,540 80,704
1972 155,488 54,895 940,420 73,082
1971 165,593 223,991 936,215 43,400
1970 145,081 256,295 937,116 49,221
1969 143,477 108,770 948,314 26,551
1968 132,099 100,963 953,806 13,718
1967 126,249 80,904 944,980 17,005
1966 126,996 110,864 929,469 12,016
1965 122,990 118,891 909,000 22,995
1964 128,420 91,588 885,137 17,249
1963 140,161 73,237 860,728 16,494
1962 143,943 58,315 828,741 16,605
1961 150,955 64,495 801,140 14,968
1960 141,816 85,707 774,190 6,886

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

GeoRank.org/population/australia/thailand | 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 Thailand 74.2% is from natural causes (a gain of 932,180 people) and 25.8% is from migration (a gain of 323,324 people).

As of 2024, 8,111,404 residents or 30.4% of the population were not native-born in Australia, compared to 3,179,399 people or 4.4% in Thailand.

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
Thailand
City Population
Bangkok 5.68M
Chiang Mai 1.2M
Nonthaburi 256K
Pak Kret 190K
Hat Yai 159K
Nakhon Ratchasima 134K
Chaophraya Surasak 133K
Surat Thani 131K
Udon Thani 130K
Klaeng 130K

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/thailand | 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. Wikidata (2026, retrieved 2026-07-08)
  5. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)

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