The latest officially reported population of Australia was 27,614,411 in 2025 vs 6,433,302 people in Bulgaria in 2025. In 2026, based on the adjusted UN estimation, the current Australia's population is 28,010,980 people compared to 6,390,149 in Bulgaria.
Population statistics:
- Australia's population is 4.38 times bigger than Bulgaria's.
- Australia is ranked the 55th most populous country in the world, while Bulgaria is the 112th.
- The countries together account for 0.41% of the world: 0.34% for Australia vs 0.08% for Bulgaria.
- For the last 10 years, Australia has had an average growth rate of +1.49% per year vs -0.86% in Bulgaria.
- Since 2006, the population of Australia has increased from 20.5M people to 28M (37% growth), while Bulgaria has declined from 7.6M to 6.39M (15.9% decline).
Australia vs Bulgaria: population by year and forecast
| Year | Population | |
|---|---|---|
Australia
|
Bulgaria
|
|
| 2100 | 44,268,623 | 3,384,288 |
| 2099 | 44,045,424 | 3,408,821 |
| 2098 | 43,816,219 | 3,433,149 |
| 2097 | 43,573,042 | 3,457,549 |
| 2096 | 43,335,272 | 3,482,057 |
| 2095 | 43,106,279 | 3,506,060 |
| 2094 | 42,884,039 | 3,530,278 |
| 2093 | 42,648,686 | 3,554,432 |
| 2092 | 42,410,825 | 3,578,667 |
| 2091 | 42,168,735 | 3,602,907 |
| 2090 | 41,927,939 | 3,627,300 |
| 2089 | 41,695,112 | 3,652,188 |
| 2088 | 41,454,360 | 3,677,416 |
| 2087 | 41,226,316 | 3,703,460 |
| 2086 | 41,005,658 | 3,730,284 |
| 2085 | 40,792,190 | 3,757,953 |
| 2084 | 40,580,657 | 3,786,496 |
| 2083 | 40,356,871 | 3,815,548 |
| 2082 | 40,140,558 | 3,845,662 |
| 2081 | 39,916,925 | 3,876,344 |
| 2080 | 39,703,296 | 3,908,874 |
| 2079 | 39,489,029 | 3,942,344 |
| 2078 | 39,273,623 | 3,976,345 |
| 2077 | 39,056,566 | 4,011,440 |
| 2076 | 38,845,418 | 4,047,182 |
| 2075 | 38,632,596 | 4,083,977 |
| 2074 | 38,418,045 | 4,122,447 |
| 2073 | 38,207,153 | 4,161,511 |
| 2072 | 37,999,068 | 4,201,158 |
| 2071 | 37,792,119 | 4,241,639 |
| 2070 | 37,578,242 | 4,283,145 |
| 2069 | 37,359,215 | 4,325,083 |
| 2068 | 37,138,635 | 4,367,606 |
| 2067 | 36,919,449 | 4,411,116 |
| 2066 | 36,701,629 | 4,455,358 |
| 2065 | 36,492,733 | 4,500,141 |
| 2064 | 36,290,454 | 4,545,243 |
| 2063 | 36,076,918 | 4,590,439 |
| 2062 | 35,866,124 | 4,635,634 |
| 2061 | 35,656,154 | 4,681,315 |
| 2060 | 35,450,525 | 4,727,089 |
| 2059 | 35,244,589 | 4,772,667 |
| 2058 | 35,027,089 | 4,817,532 |
| 2057 | 34,817,156 | 4,862,597 |
| 2056 | 34,607,988 | 4,907,646 |
| 2055 | 34,393,278 | 4,953,105 |
| 2054 | 34,179,940 | 4,998,650 |
| 2053 | 33,970,136 | 5,044,397 |
| 2052 | 33,760,935 | 5,089,817 |
| 2051 | 33,546,695 | 5,135,505 |
| 2050 | 33,330,712 | 5,181,635 |
| 2049 | 33,115,090 | 5,228,058 |
| 2048 | 32,887,237 | 5,274,692 |
| 2047 | 32,671,939 | 5,322,212 |
| 2046 | 32,443,408 | 5,369,645 |
| 2045 | 32,220,633 | 5,417,381 |
| 2044 | 32,001,023 | 5,465,818 |
| 2043 | 31,780,612 | 5,514,902 |
| 2042 | 31,556,888 | 5,564,573 |
| 2041 | 31,336,104 | 5,615,489 |
| 2040 | 31,119,045 | 5,667,076 |
| 2039 | 30,906,074 | 5,719,506 |
| 2038 | 30,686,214 | 5,771,452 |
| 2037 | 30,471,145 | 5,824,628 |
| 2036 | 30,247,954 | 5,877,980 |
| 2035 | 30,023,790 | 5,930,517 |
| 2034 | 29,801,152 | 5,983,205 |
| 2033 | 29,576,548 | 6,036,049 |
| 2032 | 29,349,199 | 6,088,107 |
| 2031 | 29,115,445 | 6,140,619 |
| 2030 | 28,877,548 | 6,193,318 |
| 2029 | 28,638,212 | 6,244,785 |
| 2028 | 28,388,452 | 6,294,981 |
| 2027 | 28,135,058 | 6,343,732 |
| 2026 | 27,879,933 | 6,390,149 |
| 2025 | 27,614,411 | 6,433,302 |
| 2024 | 27,194,286 | 6,441,421 |
| 2023 | 26,659,922 | 6,446,596 |
| 2022 | 26,018,721 | 6,465,097 |
| 2021 | 25,685,412 | 6,507,301 |
| 2020 | 25,649,248 | 6,550,696 |
| 2019 | 25,334,826 | 6,616,726 |
| 2018 | 24,963,258 | 6,710,798 |
| 2017 | 24,592,588 | 6,803,468 |
| 2016 | 24,190,907 | 6,894,139 |
| 2015 | 23,815,995 | 6,984,225 |
| 2014 | 23,475,686 | 7,073,572 |
| 2013 | 23,128,129 | 7,160,005 |
| 2012 | 22,733,465 | 7,305,888 |
| 2011 | 22,340,024 | 7,348,328 |
| 2010 | 22,031,750 | 7,395,599 |
| 2009 | 21,691,653 | 7,444,443 |
| 2008 | 21,249,199 | 7,492,561 |
| 2007 | 20,827,622 | 7,545,338 |
| 2006 | 20,450,966 | 7,601,022 |
| 2005 | 20,176,844 | 7,658,972 |
| 2004 | 19,932,722 | 7,716,860 |
| 2003 | 19,720,737 | 7,775,327 |
| 2002 | 19,495,210 | 7,837,161 |
| 2001 | 19,274,701 | 8,009,142 |
| 2000 | 19,028,802 | 8,170,172 |
| 1999 | 18,812,264 | 8,210,624 |
| 1998 | 18,607,584 | 8,256,786 |
| 1997 | 18,423,037 | 8,312,068 |
| 1996 | 18,224,767 | 8,362,826 |
| 1995 | 18,004,882 | 8,406,067 |
| 1994 | 17,805,468 | 8,443,591 |
| 1993 | 17,634,808 | 8,472,313 |
| 1992 | 17,478,635 | 8,540,164 |
| 1991 | 17,284,036 | 8,632,367 |
| 1990 | 17,065,128 | 8,718,289 |
| 1989 | 16,814,416 | 8,876,972 |
| 1988 | 16,532,164 | 8,981,446 |
| 1987 | 16,263,874 | 8,971,359 |
| 1986 | 16,018,350 | 8,958,171 |
| 1985 | 15,788,312 | 8,960,547 |
| 1984 | 15,579,391 | 8,960,679 |
| 1983 | 15,393,472 | 8,939,738 |
| 1982 | 15,184,247 | 8,917,457 |
| 1981 | 14,923,260 | 8,891,117 |
| 1980 | 14,692,000 | 8,861,535 |
| 1979 | 14,514,000 | 8,825,940 |
| 1978 | 14,358,000 | 8,814,032 |
| 1977 | 14,192,000 | 8,804,183 |
| 1976 | 14,033,000 | 8,758,599 |
| 1975 | 13,893,000 | 8,720,742 |
| 1974 | 13,723,000 | 8,678,745 |
| 1973 | 13,380,000 | 8,620,967 |
| 1972 | 13,177,000 | 8,576,200 |
| 1971 | 12,937,000 | 8,536,395 |
| 1970 | 12,507,000 | 8,489,574 |
| 1969 | 12,263,000 | 8,434,172 |
| 1968 | 12,009,000 | 8,369,603 |
| 1967 | 11,799,000 | 8,310,226 |
| 1966 | 11,651,000 | 8,258,057 |
| 1965 | 11,388,000 | 8,204,168 |
| 1964 | 11,167,000 | 8,144,340 |
| 1963 | 10,950,000 | 8,078,145 |
| 1962 | 10,742,000 | 8,012,946 |
| 1961 | 10,483,000 | 7,943,118 |
| 1960 | 10,276,477 | 7,867,374 |
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/bulgaria | CC BY 
From 2006 to 2016, the population of Australia increased by 3,739,941 people (a 18.3% growth), while Bulgaria lost 706,883 people (a 9.3% decline).
For the next 10 years, from 2016 to 2026, Australia gained 3,820,073 people (a 15.8% growth), while Bulgaria's population decreased by 503,990 people (a 7.31% decline).
Australia was ranked 54th most populous country in 2006 and is 55th in 2026. Bulgaria was ranked 95th in 2006 and ranked 112th 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 Bulgaria will decrease by 18.9% to 5,181,635 people and rank change from 112th to 128th.
Australia is projected to reach its peak in 2100 at 44.3M people, while Bulgaria's population already peaked in 1988 at 8.98M people and is projected to decrease to 3.38M people by 2100.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Australia
|
Bulgaria
|
|
| 2100 | 0.51% | -0.72% |
| 2099 | 0.52% | -0.71% |
| 2098 | 0.56% | -0.71% |
| 2097 | 0.55% | -0.7% |
| 2096 | 0.53% | -0.68% |
| 2095 | 0.52% | -0.69% |
| 2094 | 0.55% | -0.68% |
| 2093 | 0.56% | -0.68% |
| 2092 | 0.57% | -0.67% |
| 2091 | 0.57% | -0.67% |
| 2090 | 0.56% | -0.68% |
| 2089 | 0.58% | -0.69% |
| 2088 | 0.55% | -0.7% |
| 2087 | 0.54% | -0.72% |
| 2086 | 0.52% | -0.74% |
| 2085 | 0.52% | -0.75% |
| 2084 | 0.55% | -0.76% |
| 2083 | 0.54% | -0.78% |
| 2082 | 0.56% | -0.79% |
| 2081 | 0.54% | -0.83% |
| 2080 | 0.54% | -0.85% |
| 2079 | 0.55% | -0.86% |
| 2078 | 0.56% | -0.87% |
| 2077 | 0.54% | -0.88% |
| 2076 | 0.55% | -0.9% |
| 2075 | 0.56% | -0.93% |
| 2074 | 0.55% | -0.94% |
| 2073 | 0.55% | -0.94% |
| 2072 | 0.55% | -0.95% |
| 2071 | 0.57% | -0.97% |
| 2070 | 0.59% | -0.97% |
| 2069 | 0.59% | -0.97% |
| 2068 | 0.59% | -0.99% |
| 2067 | 0.59% | -0.99% |
| 2066 | 0.57% | -1% |
| 2065 | 0.56% | -0.99% |
| 2064 | 0.59% | -0.98% |
| 2063 | 0.59% | -0.97% |
| 2062 | 0.59% | -0.98% |
| 2061 | 0.58% | -0.97% |
| 2060 | 0.58% | -0.95% |
| 2059 | 0.62% | -0.93% |
| 2058 | 0.6% | -0.93% |
| 2057 | 0.6% | -0.92% |
| 2056 | 0.62% | -0.92% |
| 2055 | 0.62% | -0.91% |
| 2054 | 0.62% | -0.91% |
| 2053 | 0.62% | -0.89% |
| 2052 | 0.64% | -0.89% |
| 2051 | 0.65% | -0.89% |
| 2050 | 0.65% | -0.89% |
| 2049 | 0.69% | -0.88% |
| 2048 | 0.66% | -0.89% |
| 2047 | 0.7% | -0.88% |
| 2046 | 0.69% | -0.88% |
| 2045 | 0.69% | -0.89% |
| 2044 | 0.69% | -0.89% |
| 2043 | 0.71% | -0.89% |
| 2042 | 0.7% | -0.91% |
| 2041 | 0.7% | -0.91% |
| 2040 | 0.69% | -0.92% |
| 2039 | 0.72% | -0.9% |
| 2038 | 0.71% | -0.91% |
| 2037 | 0.74% | -0.91% |
| 2036 | 0.75% | -0.89% |
| 2035 | 0.75% | -0.88% |
| 2034 | 0.76% | -0.88% |
| 2033 | 0.77% | -0.86% |
| 2032 | 0.8% | -0.86% |
| 2031 | 0.82% | -0.85% |
| 2030 | 0.84% | -0.82% |
| 2029 | 0.88% | -0.8% |
| 2028 | 0.9% | -0.77% |
| 2027 | 0.92% | -0.73% |
| 2026 | 0.96% | -0.67% |
| 2025 | 1.54% | -0.13% |
| 2024 | 2% | -0.08% |
| 2023 | 2.46% | -0.29% |
| 2022 | 1.3% | -0.65% |
| 2021 | 0.14% | -0.66% |
| 2020 | 1.24% | -1% |
| 2019 | 1.49% | -1.4% |
| 2018 | 1.51% | -1.36% |
| 2017 | 1.66% | -1.32% |
| 2016 | 1.57% | -1.29% |
| 2015 | 1.45% | -1.26% |
| 2014 | 1.5% | -1.21% |
| 2013 | 1.74% | -2% |
| 2012 | 1.76% | -0.58% |
| 2011 | 1.4% | -0.64% |
| 2010 | 1.57% | -0.66% |
| 2009 | 2.08% | -0.64% |
| 2008 | 2.02% | -0.7% |
| 2007 | 1.84% | -0.73% |
| 2006 | 1.36% | -0.76% |
| 2005 | 1.22% | -0.75% |
| 2004 | 1.07% | -0.75% |
| 2003 | 1.16% | -0.79% |
| 2002 | 1.14% | -2.15% |
| 2001 | 1.29% | -1.97% |
| 2000 | 1.15% | -0.49% |
| 1999 | 1.1% | -0.56% |
| 1998 | 1% | -0.67% |
| 1997 | 1.09% | -0.61% |
| 1996 | 1.22% | -0.51% |
| 1995 | 1.12% | -0.44% |
| 1994 | 0.97% | -0.34% |
| 1993 | 0.89% | -0.79% |
| 1992 | 1.13% | -1.07% |
| 1991 | 1.28% | -0.99% |
| 1990 | 1.49% | -1.79% |
| 1989 | 1.71% | -1.16% |
| 1988 | 1.65% | 0.11% |
| 1987 | 1.53% | 0.15% |
| 1986 | 1.46% | -0.03% |
| 1985 | 1.34% | -0.001% |
| 1984 | 1.21% | 0.23% |
| 1983 | 1.38% | 0.25% |
| 1982 | 1.75% | 0.3% |
| 1981 | 1.57% | 0.33% |
| 1980 | 1.23% | 0.4% |
| 1979 | 1.09% | 0.14% |
| 1978 | 1.17% | 0.11% |
| 1977 | 1.13% | 0.52% |
| 1976 | 1.01% | 0.43% |
| 1975 | 1.24% | 0.48% |
| 1974 | 2.56% | 0.67% |
| 1973 | 1.54% | 0.52% |
| 1972 | 1.86% | 0.47% |
| 1971 | 3.44% | 0.55% |
| 1970 | 1.99% | 0.66% |
| 1969 | 2.12% | 0.77% |
| 1968 | 1.78% | 0.71% |
| 1967 | 1.27% | 0.63% |
| 1966 | 2.31% | 0.66% |
| 1965 | 1.98% | 0.73% |
| 1964 | 1.98% | 0.82% |
| 1963 | 1.94% | 0.81% |
| 1962 | 2.47% | 0.88% |
| 1961 | 2.01% | 0.96% |
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/bulgaria | CC BY
In 2025, the population of Australia grew by 1.54%, while Bulgaria's population declined by 0.13%.
Live population counters
|
Australia
|
Bulgaria
|
|
|---|---|---|
| Current population |
28010980
|
6390149
|
| Population rank | 55/197 | 112/197 |
| Percent of world population | 0.34% | 0.08% |
| One net population change |
1.25 minutes
|
1.08 hours
|
| One birth every |
1.81 minutes
|
9.83 minutes
|
| One death every |
2.81 minutes
|
5.23 minutes
|
| Daily growth/decline | +1,151 | -22 |
| Annual growth/decline | +420,125 | -8,119 |
| Annual growth/decline rate | +1.54% | -0.13% |
| Population growth rate rank | 68/197 | 168/197 |
| One migration net change every |
3.84 minutes
|
2.97 hours
|
| Annual migration change | +137,109 | -2,961 |
| Net migration rank | 11/196 | 106/196 |
| Foreign-born residents | 8,111,404 | 299,100 |
| Foreign-born residents rank | 9/195 | 98/195 |
| Foreign-born share of population | 30.4% | 4.4% |
| Foreign-born share rank | 18/195 | 99/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Australia
|
Bulgaria
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | 137,109 | - | -2,961 |
| 2024 | 103,773 | 138,510 | -47,023 | 524 |
| 2023 | 104,641 | 140,232 | -43,837 | 5,173 |
| 2022 | 111,881 | 140,972 | -62,065 | 26,498 |
| 2021 | 138,701 | 116,768 | -90,452 | 11,756 |
| 2020 | 133,376 | 44,447 | -65,507 | 30,167 |
| 2019 | 136,808 | 207,142 | -46,317 | -2,156 |
| 2018 | 157,269 | 226,412 | -46,304 | -3,873 |
| 2017 | 150,015 | 255,023 | -45,583 | -6,109 |
| 2016 | 152,403 | 254,648 | -42,744 | -9,482 |
| 2015 | 150,041 | 212,350 | -44,699 | -4,227 |
| 2014 | 154,940 | 200,177 | -41,027 | -2,180 |
| 2013 | 159,584 | 215,823 | -37,948 | -1,324 |
| 2012 | 161,408 | 235,776 | -40,183 | -26,334 |
| 2011 | 156,380 | 197,657 | -37,477 | -23,360 |
| 2010 | 158,628 | 166,752 | -34,759 | -21,668 |
| 2009 | 160,518 | 235,628 | -26,800 | -19,060 |
| 2008 | 155,119 | 275,773 | -32,967 | -17,595 |
| 2007 | 154,124 | 249,873 | -37,727 | -16,366 |
| 2006 | 132,931 | 191,985 | -39,526 | -15,184 |
| 2005 | 129,132 | 131,371 | -42,124 | -14,435 |
| 2004 | 115,610 | 110,072 | -40,128 | -13,604 |
| 2003 | 118,325 | 104,437 | -44,319 | -13,183 |
| 2002 | 116,971 | 108,852 | -46,240 | -12,735 |
| 2001 | 117,575 | 117,552 | -44,050 | -30,726 |
| 2000 | 119,882 | 111,186 | -41,668 | -26,211 |
| 1999 | 118,517 | 92,900 | -39,411 | -23,846 |
| 1998 | 120,949 | 81,310 | -52,844 | -23,262 |
| 1997 | 121,592 | 67,661 | -58,185 | -22,963 |
| 1996 | 125,751 | 82,965 | -45,159 | -21,520 |
| 1995 | 131,436 | 80,456 | -42,030 | -22,020 |
| 1994 | 131,761 | 51,941 | -32,086 | -20,984 |
| 1993 | 137,551 | 23,833 | -24,569 | -19,973 |
| 1992 | 139,829 | 40,767 | -18,789 | -120,552 |
| 1991 | 138,273 | 68,847 | -14,675 | -119,356 |
| 1990 | 143,347 | 100,093 | -3,487 | -116,817 |
| 1989 | 127,789 | 144,042 | 5,326 | -114,705 |
| 1988 | 127,298 | 153,330 | 9,879 | 215 |
| 1987 | 128,484 | 136,421 | 8,971 | 357 |
| 1986 | 123,342 | 113,061 | 16,125 | 1,104 |
| 1985 | 143,674 | 98,327 | 11,649 | -19,230 |
| 1984 | 123,077 | 79,617 | 20,610 | -1,032 |
| 1983 | 130,844 | 73,251 | 21,455 | -1,872 |
| 1982 | 126,030 | 111,722 | 24,077 | -1,860 |
| 1981 | 125,356 | 121,921 | 29,341 | -1,830 |
| 1980 | 117,536 | 89,189 | 30,129 | -2,045 |
| 1979 | 116,112 | 52,137 | 40,599 | -872 |
| 1978 | 116,299 | 45,832 | 44,070 | -62,769 |
| 1977 | 117,793 | 44,946 | 47,543 | -11,955 |
| 1976 | 115,070 | 32,792 | 56,055 | -2,522 |
| 1975 | 123,648 | 25,336 | 54,941 | -38,071 |
| 1974 | 128,996 | 56,167 | 64,223 | -1,402 |
| 1973 | 136,476 | 62,928 | 57,760 | -5,409 |
| 1972 | 155,488 | 54,895 | 47,169 | -11,296 |
| 1971 | 165,593 | 223,991 | 52,925 | -7,654 |
| 1970 | 145,081 | 256,295 | 61,125 | -11,315 |
| 1969 | 143,477 | 108,770 | 63,256 | -3,204 |
| 1968 | 132,099 | 100,963 | 69,468 | -132 |
| 1967 | 126,249 | 80,904 | 49,861 | -420 |
| 1966 | 126,996 | 110,864 | 54,504 | -144 |
| 1965 | 122,990 | 118,891 | 58,249 | -1,406 |
| 1964 | 128,420 | 91,588 | 66,783 | 505 |
| 1963 | 140,161 | 73,237 | 66,241 | 500 |
| 1962 | 143,943 | 58,315 | 64,104 | 499 |
| 1961 | 150,955 | 64,495 | 75,460 | 378 |
| 1960 | 141,816 | 85,707 | 76,314 | -1,112 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/australia/bulgaria | 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 Bulgaria 91.7% is from natural causes (a loss of 534,531 people) and 8.28% is from migration (a gain of 48,271 people).
As of 2024, 8,111,404 residents or 30.4% of the population were not native-born in Australia, compared to 299,100 people or 4.4% in Bulgaria.
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 |
|
Bulgaria
|
|
|---|---|
| City | Population |
| Sofia | 1.21M |
| Plovdiv | 334K |
| Varna | 323K |
| Burgas | 189K |
| Stara Zagora | 121K |
| Ruse | 120K |
| Pleven | 88.1K |
| Sliven | 77.8K |
| Dobrich | 68.6K |
| Shumen | 66.4K |
Compare countries by 7 more topics
Population differences between Australia and Bulgaria
|
Australia
|
Bulgaria
|
|
|---|---|---|
| Life expectancy | 84.3 years | 76.1 years |
| Average age | 40.3 years | 44.2 years |
| Median age | 39.3 years | 45.7 years |
| Male:Female ratio | 49.6:50.4 | 48.4:51.6 |
| Fertility rate | 1.48 births per woman | 1.72 births per woman |
| Population density | 9.39 ppl/mi² | 152.5 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/australia/bulgaria | CC BY
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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)
- Wikidata (2026, retrieved 2026-07-08)
- Central Intelligence Agency (CIA) (2000–2019, 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.