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Population in Australia compared to Costa Rica: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of Australia was 27,196,812 in 2024 vs 5,129,910 people in Costa Rica in 2024. In 2026, based on the adjusted UN estimation, the current Australia's population is 27,799,169 people compared to 5,181,862 in Costa Rica.

Population statistics:

  • Australia's population is 5.36 times bigger than Costa Rica's.
  • Australia is ranked the 55th most populous country in the world, while Costa Rica is the 126th.
  • The countries together account for 0.4% of the world: 0.34% for Australia vs 0.06% for Costa Rica.
  • For the last 10 years, Australia has had an average growth rate of +1.49% per year vs +0.77% in Costa Rica.
  • Since 2006, the population of Australia has increased from 20.5M people to 27.8M (35.9% growth), while Costa Rica has grown from 4.32M to 5.18M (19.9% growth).

Australia vs Costa Rica: population by year and forecast

Australia
Factual

Projection
Costa Rica
Factual

Projection
1x
Year Population
Australia Costa Rica
2100 44,031,396 3,804,183
2099 43,809,392 3,842,423
2098 43,581,416 3,880,999
2097 43,339,542 3,919,996
2096 43,103,046 3,959,352
2095 42,875,281 3,999,084
2094 42,654,231 4,039,053
2093 42,420,140 4,079,349
2092 42,183,554 4,119,898
2091 41,942,760 4,160,663
2090 41,703,255 4,201,548
2089 41,471,675 4,242,452
2088 41,232,214 4,283,327
2087 41,005,392 4,324,225
2086 40,785,916 4,364,979
2085 40,573,592 4,405,520
2084 40,363,192 4,445,770
2083 40,140,606 4,485,644
2082 39,925,452 4,525,171
2081 39,703,018 4,564,265
2080 39,490,533 4,602,737
2079 39,277,415 4,640,677
2078 39,063,163 4,677,935
2077 38,847,269 4,714,527
2076 38,637,253 4,750,309
2075 38,425,571 4,785,359
2074 38,212,169 4,819,691
2073 38,002,408 4,853,137
2072 37,795,438 4,885,727
2071 37,589,598 4,917,445
2070 37,376,868 4,948,313
2069 37,159,014 4,978,425
2068 36,939,616 5,007,604
2067 36,721,604 5,035,877
2066 36,504,952 5,063,521
2065 36,297,175 5,090,474
2064 36,095,981 5,116,546
2063 35,883,588 5,141,922
2062 35,673,924 5,166,260
2061 35,465,080 5,189,836
2060 35,260,552 5,212,549
2059 35,055,719 5,234,066
2058 34,839,385 5,254,528
2057 34,630,577 5,273,844
2056 34,422,531 5,292,013
2055 34,208,970 5,308,829
2054 33,996,776 5,324,305
2053 33,788,097 5,338,417
2052 33,580,016 5,350,974
2051 33,366,925 5,361,865
2050 33,152,099 5,371,197
2049 32,937,633 5,378,904
2048 32,711,001 5,385,081
2047 32,496,856 5,389,678
2046 32,269,549 5,392,713
2045 32,047,969 5,394,209
2044 31,829,535 5,394,124
2043 31,610,306 5,392,590
2042 31,387,780 5,389,628
2041 31,168,179 5,385,101
2040 30,952,283 5,379,344
2039 30,740,454 5,372,186
2038 30,521,772 5,363,617
2037 30,307,856 5,353,928
2036 30,085,861 5,343,027
2035 29,862,898 5,330,994
2034 29,641,453 5,317,895
2033 29,418,053 5,303,634
2032 29,191,922 5,288,416
2031 28,959,421 5,272,215
2030 28,722,798 5,255,064
2029 28,484,745 5,236,901
2028 28,236,324 5,217,724
2027 27,984,287 5,197,413
2026 27,730,530 5,176,096
2025 27,466,430 5,153,634
2024 27,196,812 5,129,910
2023 26,659,922 5,105,525
2022 26,018,721 5,081,765
2021 25,685,412 5,059,988
2020 25,649,248 5,034,320
2019 25,334,826 4,999,553
2018 24,963,258 4,957,818
2017 24,592,588 4,913,177
2016 24,190,907 4,866,998
2015 23,815,995 4,818,038
2014 23,475,686 4,767,119
2013 23,128,129 4,716,147
2012 22,733,465 4,663,934
2011 22,340,024 4,609,833
2010 22,031,750 4,555,962
2009 21,691,653 4,499,791
2008 21,249,199 4,440,056
2007 20,827,622 4,380,248
2006 20,450,966 4,321,340
2005 20,176,844 4,261,240
2004 19,932,722 4,200,078
2003 19,720,737 4,138,784
2002 19,495,210 4,075,705
2001 19,274,701 4,008,947
2000 19,028,802 3,937,739
1999 18,812,264 3,862,101
1998 18,607,584 3,782,838
1997 18,423,037 3,701,711
1996 18,224,767 3,619,013
1995 18,004,882 3,535,176
1994 17,805,468 3,451,122
1993 17,634,808 3,367,434
1992 17,478,635 3,284,258
1991 17,284,036 3,202,176
1990 17,065,128 3,121,706
1989 16,814,416 3,043,827
1988 16,532,164 2,968,103
1987 16,263,874 2,892,699
1986 16,018,350 2,817,216
1985 15,788,312 2,741,894
1984 15,579,391 2,667,595
1983 15,393,472 2,595,153
1982 15,184,247 2,524,806
1981 14,923,260 2,456,637
1980 14,692,000 2,390,633
1979 14,514,000 2,326,490
1978 14,358,000 2,264,510
1977 14,192,000 2,205,025
1976 14,033,000 2,147,774
1975 13,893,000 2,092,719
1974 13,723,000 2,039,643
1973 13,380,000 1,988,343
1972 13,177,000 1,938,248
1971 12,937,000 1,888,539
1970 12,507,000 1,838,949
1969 12,263,000 1,789,276
1968 12,009,000 1,739,731
1967 11,799,000 1,689,523
1966 11,651,000 1,638,116
1965 11,388,000 1,586,208
1964 11,167,000 1,533,960
1963 10,950,000 1,481,604
1962 10,742,000 1,429,445
1961 10,483,000 1,377,920
1960 10,276,477 1,327,496

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population/australia/costa-rica | CC BY

From 2006 to 2016, the population of Australia increased by 3,739,941 people (a 18.3% growth), while Costa Rica gained 545,658 people (a 12.6% growth).

For the next 10 years, from 2016 to 2026, Australia gained 3,608,262 people (a 14.9% growth), while Costa Rica's population increased by 314,864 people (a 6.47% growth).

Australia was ranked 54th most populous country in 2006 and is 55th in 2026. Costa Rica was ranked 119th in 2006 and ranked 126th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Australia's population will grow by 19.3% to 33,152,099 people with a rank change from 55th to 59th. The population of Costa Rica will increase by 3.65% to 5,371,197 people and will still be ranked 126th.

Australia is projected to reach its peak in 2100 at 44M people compared to the peak of 5.39M people in 2045 for Costa Rica.

Population growth rate by year

Australia
Factual

Projection
Costa Rica
Factual

Projection
1x
Year Growth rate
Australia Costa Rica
2100 0.51% -1%
2099 0.52% -0.99%
2098 0.56% -0.99%
2097 0.55% -0.99%
2096 0.53% -0.99%
2095 0.52% -0.99%
2094 0.55% -0.99%
2093 0.56% -0.98%
2092 0.57% -0.98%
2091 0.57% -0.97%
2090 0.56% -0.96%
2089 0.58% -0.95%
2088 0.55% -0.95%
2087 0.54% -0.93%
2086 0.52% -0.92%
2085 0.52% -0.91%
2084 0.55% -0.89%
2083 0.54% -0.87%
2082 0.56% -0.86%
2081 0.54% -0.84%
2080 0.54% -0.82%
2079 0.55% -0.8%
2078 0.56% -0.78%
2077 0.54% -0.75%
2076 0.55% -0.73%
2075 0.56% -0.71%
2074 0.55% -0.69%
2073 0.55% -0.67%
2072 0.55% -0.65%
2071 0.57% -0.62%
2070 0.59% -0.6%
2069 0.59% -0.58%
2068 0.59% -0.56%
2067 0.59% -0.55%
2066 0.57% -0.53%
2065 0.56% -0.51%
2064 0.59% -0.49%
2063 0.59% -0.47%
2062 0.59% -0.45%
2061 0.58% -0.44%
2060 0.58% -0.41%
2059 0.62% -0.39%
2058 0.6% -0.37%
2057 0.6% -0.34%
2056 0.62% -0.32%
2055 0.62% -0.29%
2054 0.62% -0.26%
2053 0.62% -0.23%
2052 0.64% -0.2%
2051 0.65% -0.17%
2050 0.65% -0.14%
2049 0.69% -0.11%
2048 0.66% -0.09%
2047 0.7% -0.06%
2046 0.69% -0.03%
2045 0.69% 0.002%
2044 0.69% 0.03%
2043 0.71% 0.05%
2042 0.7% 0.08%
2041 0.7% 0.11%
2040 0.69% 0.13%
2039 0.72% 0.16%
2038 0.71% 0.18%
2037 0.74% 0.2%
2036 0.75% 0.23%
2035 0.75% 0.25%
2034 0.76% 0.27%
2033 0.77% 0.29%
2032 0.8% 0.31%
2031 0.82% 0.33%
2030 0.84% 0.35%
2029 0.88% 0.37%
2028 0.9% 0.39%
2027 0.92% 0.41%
2026 0.96% 0.44%
2025 0.99% 0.46%
2024 2.01% 0.48%
2023 2.46% 0.47%
2022 1.3% 0.43%
2021 0.14% 0.51%
2020 1.24% 0.7%
2019 1.49% 0.84%
2018 1.51% 0.91%
2017 1.66% 0.95%
2016 1.57% 1.02%
2015 1.45% 1.07%
2014 1.5% 1.08%
2013 1.74% 1.12%
2012 1.76% 1.17%
2011 1.4% 1.18%
2010 1.57% 1.25%
2009 2.08% 1.35%
2008 2.02% 1.37%
2007 1.84% 1.36%
2006 1.36% 1.41%
2005 1.22% 1.46%
2004 1.07% 1.48%
2003 1.16% 1.55%
2002 1.14% 1.67%
2001 1.29% 1.81%
2000 1.15% 1.96%
1999 1.1% 2.1%
1998 1% 2.19%
1997 1.09% 2.29%
1996 1.22% 2.37%
1995 1.12% 2.44%
1994 0.97% 2.49%
1993 0.89% 2.53%
1992 1.13% 2.56%
1991 1.28% 2.58%
1990 1.49% 2.56%
1989 1.71% 2.55%
1988 1.65% 2.61%
1987 1.53% 2.68%
1986 1.46% 2.75%
1985 1.34% 2.79%
1984 1.21% 2.79%
1983 1.38% 2.79%
1982 1.75% 2.77%
1981 1.57% 2.76%
1980 1.23% 2.76%
1979 1.09% 2.74%
1978 1.17% 2.7%
1977 1.13% 2.67%
1976 1.01% 2.63%
1975 1.24% 2.6%
1974 2.56% 2.58%
1973 1.54% 2.58%
1972 1.86% 2.63%
1971 3.44% 2.7%
1970 1.99% 2.78%
1969 2.12% 2.85%
1968 1.78% 2.97%
1967 1.27% 3.14%
1966 2.31% 3.27%
1965 1.98% 3.41%
1964 1.98% 3.53%
1963 1.94% 3.65%
1962 2.47% 3.74%
1961 2.01% 3.8%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

GeoRank.org/population/australia/costa-rica | CC BY

In 2024, the population of Australia grew by 2.01%, while Costa Rica's population grew by 0.48%.

Live population counters

Australia Costa Rica
Current population
27799169
5181862
Population rank 55/197 126/197
Percent of world population 0.34% 0.06%
One net population change
58.7 seconds
21.6 minutes
One birth every
1.83 minutes
10.1 minutes
One death every
2.86 minutes
18.9 minutes
Daily growth/decline +1,471 +67
Annual growth/decline +536,890 +24,385
Annual growth/decline rate +2.01% +0.48%
Population growth rate rank 51/197 138/197
One migration net change every
3.84 minutes
8.78 hours
Annual migration change +137,109 +1,000
Net migration rank 11/196 63/196
Foreign-born residents 8,111,404 628,404
Foreign-born residents rank 9/195 75/195
Foreign-born share of population 30.4% 12.2%
Foreign-born share rank 18/195 55/195

Natural population change vs migration

Australia
Natural

Migration
Costa Rica
Natural

Migration
1x
Year Population change
Australia Costa Rica
Natural Migration Natural Migration
2025 - 137,109 - 1,000
2024 - 138,510 - 967
2023 103,974 140,232 24,109 995
2022 111,881 140,972 21,409 1,006
2021 138,701 116,768 20,119 1,018
2020 133,376 44,447 29,164 1,029
2019 136,808 207,142 37,682 1,653
2018 157,269 226,412 42,469 1,673
2017 150,015 255,023 43,471 1,671
2016 152,403 254,648 45,565 1,649
2015 150,041 212,350 49,077 1,617
2014 154,940 200,177 49,559 1,589
2013 159,584 215,823 49,227 1,579
2012 161,408 235,776 52,036 1,587
2011 156,380 197,657 52,884 1,695
2010 158,628 166,752 50,803 2,357
2009 160,518 235,628 55,757 3,432
2008 155,119 275,773 56,491 3,794
2007 154,124 249,873 55,244 4,080
2006 132,931 191,985 54,177 4,321
2005 129,132 131,371 57,139 4,567
2004 115,610 110,072 55,769 4,856
2003 118,325 104,437 56,743 5,216
2002 116,971 108,852 58,388 5,812
2001 117,575 117,552 62,199 7,119
2000 119,882 111,186 64,268 8,826
1999 118,517 92,900 64,922 13,253
1998 120,949 81,310 64,788 15,556
1997 121,592 67,661 64,954 16,954
1996 125,751 82,965 66,094 17,393
1995 131,436 80,456 67,585 16,609
1994 131,761 51,941 68,336 15,587
1993 137,551 23,833 69,016 14,431
1992 139,829 40,767 69,830 13,069
1991 138,273 68,847 70,506 10,757
1990 143,347 100,093 71,727 7,949
1989 127,789 144,042 72,327 3,758
1988 127,298 153,330 72,944 2,414
1987 128,484 136,421 73,188 2,267
1986 123,342 113,061 73,211 2,302
1985 143,674 98,327 72,776 2,357
1984 123,077 79,617 71,062 2,402
1983 130,844 73,251 68,972 2,449
1982 126,030 111,722 66,826 2,453
1981 125,356 121,921 64,632 2,431
1980 117,536 89,189 62,561 2,387
1979 116,112 52,137 60,984 2,349
1978 116,299 45,832 58,327 2,296
1977 117,793 44,946 56,122 2,228
1976 115,070 32,792 54,019 2,129
1975 123,648 25,336 51,979 1,992
1974 128,996 56,167 50,349 1,839
1973 136,476 62,928 48,943 1,468
1972 155,488 54,895 48,417 1,366
1971 165,593 223,991 48,341 1,296
1970 145,081 256,295 48,398 1,137
1969 143,477 108,770 48,790 1,017
1968 132,099 100,963 48,361 939
1967 126,249 80,904 50,193 926
1966 126,996 110,864 50,755 930
1965 122,990 118,891 51,196 932
1964 128,420 91,588 51,435 934
1963 140,161 73,237 51,403 938
1962 143,943 58,315 51,046 934
1961 150,955 64,495 50,149 924
1960 141,816 85,707 48,857 910

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/australia/costa-rica | CC BY

Over the last 10 years, 43.6% of the population change in Australia is from natural causes (a gain of 1,389,408 people) and 56.4% is from migration (a gain of 1,798,171 people). In Costa Rica 96.3% is from natural causes (a gain of 362,624 people) and 3.69% is from migration (a gain of 13,900 people).

As of 2024, 8,111,404 residents or 30.4% of the population were not native-born in Australia, compared to 628,404 people or 12.2% in Costa Rica.

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
Costa Rica
City Population
San Jose 335K
Limon 71.5K
Liberia 65.9K
Alajuela 44.4K
Puntarenas 41.5K
Cartago 22.8K
Heredia 16.7K
Tamarindo 7.13K
Santa Teresa 3K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

GeoRank.org/population/australia/costa-rica | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

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