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Population in Argentina compared to Sierra Leone: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Argentina was 45,851,378 in 2025 vs 8,819,794 people in Sierra Leone in 2025. In 2026, based on the adjusted UN estimation, the current Argentina's population is 46,083,022 people compared to 9,090,531 in Sierra Leone.

Population statistics:

  • Argentina's population is 5.07 times bigger than Sierra Leone's.
  • Argentina is ranked the 35th most populous country in the world, while Sierra Leone is the 100th.
  • The countries together account for 0.66% of the world: 0.55% for Argentina vs 0.11% for Sierra Leone.
  • For the last 10 years, Argentina has had an average growth rate of +0.58% per year vs +2.29% in Sierra Leone.
  • Since 2006, the population of Argentina has increased from 39.6M people to 46.1M (16.3% growth), while Sierra Leone has grown from 5.62M to 9.09M (61.6% growth).

Argentina vs Sierra Leone: population by year and forecast

Argentina
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Population
Argentina Sierra Leone
2100 38,470,262 16,107,087
2099 38,771,415 16,121,940
2098 39,073,080 16,135,035
2097 39,375,182 16,149,905
2096 39,677,541 16,160,672
2095 39,979,665 16,169,304
2094 40,280,721 16,168,902
2093 40,581,226 16,173,609
2092 40,880,268 16,170,778
2091 41,177,110 16,163,901
2090 41,471,465 16,154,165
2089 41,762,248 16,142,526
2088 42,049,176 16,128,775
2087 42,332,265 16,112,585
2086 42,611,405 16,085,549
2085 42,886,138 16,064,212
2084 43,155,291 16,040,563
2083 43,419,078 16,006,923
2082 43,676,752 15,970,872
2081 43,927,762 15,930,880
2080 44,172,331 15,892,665
2079 44,410,304 15,850,728
2078 44,641,934 15,801,450
2077 44,866,199 15,750,408
2076 45,084,796 15,695,310
2075 45,296,910 15,635,345
2074 45,503,622 15,580,279
2073 45,703,629 15,512,655
2072 45,897,528 15,442,481
2071 46,086,384 15,370,747
2070 46,269,334 15,293,426
2069 46,447,065 15,212,664
2068 46,618,955 15,124,069
2067 46,784,529 15,028,190
2066 46,944,689 14,931,295
2065 47,099,735 14,833,794
2064 47,248,960 14,736,872
2063 47,392,014 14,638,180
2062 47,528,548 14,525,736
2061 47,657,918 14,420,068
2060 47,779,392 14,307,451
2059 47,891,584 14,194,972
2058 47,994,829 14,077,124
2057 48,087,406 13,957,197
2056 48,168,616 13,832,494
2055 48,237,399 13,702,508
2054 48,293,593 13,576,231
2053 48,337,815 13,440,929
2052 48,368,984 13,299,910
2051 48,387,355 13,152,910
2050 48,392,715 13,006,688
2049 48,386,015 12,863,637
2048 48,368,178 12,712,671
2047 48,338,867 12,566,944
2046 48,298,433 12,411,042
2045 48,247,039 12,254,651
2044 48,185,620 12,088,895
2043 48,114,882 11,928,393
2042 48,035,259 11,767,372
2041 47,946,583 11,599,942
2040 47,849,241 11,428,331
2039 47,744,601 11,259,845
2038 47,632,807 11,097,180
2037 47,515,667 10,928,754
2036 47,394,113 10,757,928
2035 47,268,510 10,582,918
2034 47,138,768 10,411,088
2033 47,006,032 10,238,503
2032 46,871,040 10,059,929
2031 46,733,292 9,881,109
2030 46,593,148 9,705,485
2029 46,450,303 9,529,493
2028 46,305,029 9,358,412
2027 46,156,602 9,177,288
2026 46,005,310 8,998,902
2025 45,851,378 8,819,794
2024 45,696,159 8,642,022
2023 45,538,401 8,460,512
2022 45,407,904 8,276,807
2021 45,312,281 8,094,602
2020 45,191,965 7,912,558
2019 44,973,465 7,731,991
2018 44,654,882 7,554,563
2017 44,288,894 7,379,299
2016 43,900,313 7,205,328
2015 43,477,012 7,037,655
2014 43,024,071 6,876,385
2013 42,582,455 6,714,051
2012 42,161,721 6,551,080
2011 41,730,660 6,387,251
2010 41,288,694 6,222,714
2009 40,854,831 6,055,646
2008 40,424,148 5,894,722
2007 40,016,763 5,749,352
2006 39,622,115 5,624,466
2005 39,216,789 5,501,712
2004 38,815,916 5,355,717
2003 38,424,282 5,177,687
2002 38,029,349 4,971,435
2001 37,624,825 4,692,716
2000 37,213,984 4,423,611
1999 36,794,682 4,318,043
1998 36,372,860 4,295,785
1997 35,947,791 4,253,716
1996 35,513,793 4,199,210
1995 35,070,020 4,179,179
1994 34,613,491 4,173,105
1993 34,152,717 4,157,130
1992 33,693,527 4,166,366
1991 33,230,294 4,246,267
1990 32,755,901 4,196,828
1989 32,270,948 4,034,037
1988 31,780,532 3,934,517
1987 31,291,762 3,829,718
1986 30,811,980 3,728,380
1985 30,336,441 3,638,438
1984 29,863,093 3,558,758
1983 29,391,332 3,481,646
1982 28,924,262 3,408,183
1981 28,463,959 3,338,940
1980 28,011,596 3,272,089
1979 27,568,895 3,207,499
1978 27,132,158 3,145,517
1977 26,701,805 3,085,354
1976 26,282,283 3,028,820
1975 25,874,107 2,974,657
1974 25,461,351 2,920,459
1973 25,046,005 2,866,955
1972 24,644,328 2,814,388
1971 24,257,208 2,763,222
1970 23,878,327 2,712,286
1969 23,508,711 2,661,365
1968 23,150,583 2,611,532
1967 22,799,059 2,562,384
1966 22,453,893 2,514,638
1965 22,112,629 2,468,666
1964 21,769,453 2,424,390
1963 21,421,705 2,382,258
1962 21,072,538 2,342,242
1961 20,726,276 2,304,227
1960 20,386,045 2,268,356

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/argentina/sierra-leone | CC BY

From 2006 to 2016, the population of Argentina increased by 4,278,198 people (a 10.8% growth), while Sierra Leone gained 1,580,862 people (a 28.1% growth).

For the next 10 years, from 2016 to 2026, Argentina gained 2,182,709 people (a 4.97% growth), while Sierra Leone's population increased by 1,885,203 people (a 26.2% growth).

Argentina was ranked 31st most populous country in 2006 and is 35th in 2026. Sierra Leone was ranked 105th in 2006 and ranked 100th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Argentina's population will grow by 5.01% to 48,392,715 people with a rank change from 35th to 44th. The population of Sierra Leone will increase by 43.1% to 13,006,688 people and rank change from 100th to 91st.

Argentina is projected to reach its peak in 2050 at 48.4M people compared to the peak of 16.2M people in 2093 for Sierra Leone.

Population growth rate by year

Argentina
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Growth rate
Argentina Sierra Leone
2100 -0.78% -0.09%
2099 -0.77% -0.08%
2098 -0.77% -0.09%
2097 -0.76% -0.07%
2096 -0.76% -0.05%
2095 -0.75% 0.002%
2094 -0.74% -0.03%
2093 -0.73% 0.02%
2092 -0.72% 0.04%
2091 -0.71% 0.06%
2090 -0.7% 0.07%
2089 -0.68% 0.09%
2088 -0.67% 0.1%
2087 -0.66% 0.17%
2086 -0.64% 0.13%
2085 -0.62% 0.15%
2084 -0.61% 0.21%
2083 -0.59% 0.23%
2082 -0.57% 0.25%
2081 -0.55% 0.24%
2080 -0.54% 0.26%
2079 -0.52% 0.31%
2078 -0.5% 0.32%
2077 -0.48% 0.35%
2076 -0.47% 0.38%
2075 -0.45% 0.35%
2074 -0.44% 0.44%
2073 -0.42% 0.45%
2072 -0.41% 0.47%
2071 -0.4% 0.51%
2070 -0.38% 0.53%
2069 -0.37% 0.59%
2068 -0.35% 0.64%
2067 -0.34% 0.65%
2066 -0.33% 0.66%
2065 -0.32% 0.66%
2064 -0.3% 0.67%
2063 -0.29% 0.77%
2062 -0.27% 0.73%
2061 -0.25% 0.79%
2060 -0.23% 0.79%
2059 -0.22% 0.84%
2058 -0.19% 0.86%
2057 -0.17% 0.9%
2056 -0.14% 0.95%
2055 -0.12% 0.93%
2054 -0.09% 1.01%
2053 -0.06% 1.06%
2052 -0.04% 1.12%
2051 -0.01% 1.12%
2050 0.01% 1.11%
2049 0.04% 1.19%
2048 0.06% 1.16%
2047 0.08% 1.26%
2046 0.11% 1.28%
2045 0.13% 1.37%
2044 0.15% 1.35%
2043 0.17% 1.37%
2042 0.18% 1.44%
2041 0.2% 1.5%
2040 0.22% 1.5%
2039 0.23% 1.47%
2038 0.25% 1.54%
2037 0.26% 1.59%
2036 0.27% 1.65%
2035 0.28% 1.65%
2034 0.28% 1.69%
2033 0.29% 1.78%
2032 0.29% 1.81%
2031 0.3% 1.81%
2030 0.31% 1.85%
2029 0.31% 1.83%
2028 0.32% 1.97%
2027 0.33% 1.98%
2026 0.34% 2.03%
2025 0.34% 2.06%
2024 0.35% 2.15%
2023 0.29% 2.22%
2022 0.21% 2.25%
2021 0.27% 2.3%
2020 0.49% 2.34%
2019 0.71% 2.35%
2018 0.83% 2.38%
2017 0.89% 2.41%
2016 0.97% 2.38%
2015 1.05% 2.35%
2014 1.04% 2.42%
2013 1% 2.49%
2012 1.03% 2.56%
2011 1.07% 2.64%
2010 1.06% 2.76%
2009 1.07% 2.73%
2008 1.02% 2.53%
2007 1% 2.22%
2006 1.03% 2.23%
2005 1.03% 2.73%
2004 1.02% 3.44%
2003 1.04% 4.15%
2002 1.08% 5.94%
2001 1.1% 6.08%
2000 1.14% 2.44%
1999 1.16% 0.52%
1998 1.18% 0.99%
1997 1.22% 1.3%
1996 1.27% 0.48%
1995 1.32% 0.15%
1994 1.35% 0.38%
1993 1.36% -0.22%
1992 1.39% -1.88%
1991 1.45% 1.18%
1990 1.5% 4.04%
1989 1.54% 2.53%
1988 1.56% 2.74%
1987 1.56% 2.72%
1986 1.57% 2.47%
1985 1.59% 2.24%
1984 1.61% 2.21%
1983 1.61% 2.16%
1982 1.62% 2.07%
1981 1.61% 2.04%
1980 1.61% 2.01%
1979 1.61% 1.97%
1978 1.61% 1.95%
1977 1.6% 1.87%
1976 1.58% 1.82%
1975 1.62% 1.86%
1974 1.66% 1.87%
1973 1.63% 1.87%
1972 1.6% 1.85%
1971 1.59% 1.88%
1970 1.57% 1.91%
1969 1.55% 1.91%
1968 1.54% 1.92%
1967 1.54% 1.9%
1966 1.54% 1.86%
1965 1.58% 1.83%
1964 1.62% 1.77%
1963 1.66% 1.71%
1962 1.67% 1.65%
1961 1.67% 1.58%

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/argentina/sierra-leone | CC BY

In 2025, the population of Argentina grew by 0.34%, while Sierra Leone's population grew by 2.06%.

Live population counters

Argentina Sierra Leone
Current population
46083022
9090531
Population rank 35/197 100/197
Percent of world population 0.55% 0.11%
One net population change
3.4 minutes
2.96 minutes
One birth every
1.04 minutes
2.02 minutes
One death every
1.49 minutes
7.41 minutes
Daily growth/decline +425 +487
Annual growth/decline +155,219 +177,772
Annual growth/decline rate +0.34% +2.06%
Population growth rate rank 143/197 47/197
One migration net change every
3.07 hours
46.6 minutes
Annual migration change +2,859 -11,309
Net migration rank 54/196 136/196
Foreign-born residents 1,958,039 49,997
Foreign-born residents rank 38/195 151/195
Foreign-born share of population 4.3% 0.6%
Foreign-born share rank 102/195 174/195

Natural population change vs migration

Argentina
Natural

Migration
Sierra Leone
Natural

Migration
1x
Year Population change
Argentina Sierra Leone
Natural Migration Natural Migration
2025 - 2,859 - -11,309
2024 153,265 3,454 189,234 -11,000
2023 154,648 4,133 188,788 -4,000
2022 96,673 5,589 186,625 -4,000
2021 88,677 314 183,326 -1,544
2020 151,347 292 181,015 1,292
2019 280,005 5,397 181,068 -2,238
2018 346,031 5,742 178,772 -2,741
2017 375,260 4,931 173,259 1,234
2016 391,767 5,215 168,784 4,657
2015 444,161 5,464 162,275 -356
2014 450,462 5,794 160,137 485
2013 421,694 5,275 161,265 2,773
2012 411,540 2,978 160,915 988
2011 448,730 -1,117 158,858 6,895
2010 441,335 -5,003 155,338 7,983
2009 439,271 -7,882 152,669 18,145
2008 442,442 -12,517 149,855 1,182
2007 402,889 -18,099 145,740 -6,042
2006 424,591 -20,109 144,127 -34,052
2005 428,247 -22,068 137,234 -1,805
2004 417,970 -22,381 132,661 23,897
2003 410,141 -22,450 130,312 69,185
2002 424,825 -22,674 126,429 86,578
2001 430,579 -23,687 116,647 227,791
2000 437,562 -22,775 110,754 83,013
1999 444,038 -20,220 102,295 -84,926
1998 440,184 -20,326 103,906 -76,766
1997 450,930 -20,651 105,433 -48,437
1996 458,199 -20,486 104,140 -52,110
1995 469,658 -19,815 100,885 -112,857
1994 481,958 -18,723 101,486 -77,371
1993 474,791 -16,455 103,317 -95,476
1992 473,226 -13,201 103,251 -129,565
1991 474,960 -8,537 105,477 -238,965
1990 466,640 15,719 100,778 131,587
1989 460,991 26,555 98,298 -5,079
1988 455,701 37,594 96,344 9,470
1987 443,404 40,859 94,235 9,558
1986 436,760 38,586 90,902 7,992
1985 428,866 46,889 88,869 -7,873
1984 423,279 47,659 87,072 -8,708
1983 426,145 46,438 84,628 -8,783
1982 431,926 29,616 82,457 -11,379
1981 442,501 16,569 80,111 -12,699
1980 443,732 1,932 77,932 -11,641
1979 449,952 -10,213 75,992 -13,095
1978 448,413 -14,665 74,130 -13,073
1977 441,647 -14,675 71,663 -12,399
1976 422,330 -10,235 69,506 -15,686
1975 409,561 -5,293 67,560 -13,058
1974 388,107 33,134 65,357 -11,473
1973 370,856 38,589 62,443 -9,322
1972 357,835 36,050 60,279 -8,267
1971 344,889 35,442 58,484 -8,162
1970 339,096 38,355 56,513 -4,957
1969 319,108 42,688 54,768 -4,485
1968 312,440 42,014 53,126 -3,743
1967 308,904 39,711 51,734 -2,819
1966 303,981 37,752 49,486 -2,911
1965 304,734 36,083 47,223 -1,851
1964 311,020 34,530 45,487 -2,308
1963 317,041 32,866 43,569 -2,480
1962 316,952 31,449 41,603 -2,658
1961 317,816 26,322 40,022 -2,947
1960 315,943 20,387 38,192 -3,528

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

GeoRank.org/population/argentina/sierra-leone | CC BY

Over the last 10 years, 98.4% of the population change in Argentina is from natural causes (a gain of 2,481,834 people) and 1.61% is from migration (a gain of 40,531 people). In Sierra Leone 99% is from natural causes (a gain of 1,793,146 people) and 1.03% is from migration (a loss of 18,696 people).

As of 2024, 1,958,039 residents or 4.3% of the population were not native-born in Argentina, compared to 49,997 people or 0.6% in Sierra Leone.

Biggest cities by population

Argentina
City Population
Buenos Aires 3.12M
Cordoba 1.51M
Rosario 1.04M
San Miguel de Tucuman 602K
Salta 595K
Mar del Plata 593K
San Juan 471K
Lanus 459K
Corrientes 430K
Santa Fe 409K
Sierra Leone
City Population
Freetown 951K
Bo 234K
Kenema 188K

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/argentina/sierra-leone | 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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