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

Updated on by Georank team

The latest officially reported population of Algeria was 46,814,308 in 2024 vs 8,642,022 people in Sierra Leone in 2024. In 2026, based on the adjusted UN estimation, the current Algeria's population is 48,222,325 people compared to 9,049,533 in Sierra Leone.

Population statistics:

  • Algeria's population is 5.33 times bigger than Sierra Leone's.
  • Algeria is ranked the 34th most populous country in the world, while Sierra Leone is the 101st.
  • The countries together account for 0.69% of the world: 0.58% for Algeria vs 0.11% for Sierra Leone.
  • For the last 10 years, Algeria has had an average growth rate of +1.81% per year vs +2.32% in Sierra Leone.
  • Since 2006, the population of Algeria has increased from 33.6M people to 48.2M (43.4% growth), while Sierra Leone has grown from 5.62M to 9.05M (60.9% growth).

Algeria vs Sierra Leone: population by year and forecast

Algeria
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Population
Algeria Sierra Leone
2100 64,987,758 16,111,324
2099 65,099,593 16,126,181
2098 65,201,636 16,139,280
2097 65,286,684 16,154,153
2096 65,363,853 16,164,923
2095 65,425,396 16,173,557
2094 65,482,152 16,173,155
2093 65,511,098 16,177,864
2092 65,539,089 16,175,032
2091 65,560,728 16,168,153
2090 65,558,683 16,158,415
2089 65,560,674 16,146,773
2088 65,543,659 16,133,018
2087 65,518,674 16,116,823
2086 65,480,237 16,089,780
2085 65,436,284 16,068,438
2084 65,389,859 16,044,782
2083 65,339,591 16,011,134
2082 65,286,947 15,975,073
2081 65,228,570 15,935,071
2080 65,156,366 15,896,846
2079 65,077,934 15,854,898
2078 64,997,944 15,805,607
2077 64,912,164 15,754,551
2076 64,829,265 15,699,439
2075 64,732,964 15,639,458
2074 64,635,550 15,584,377
2073 64,539,251 15,516,736
2072 64,437,887 15,446,543
2071 64,334,505 15,374,790
2070 64,254,716 15,297,449
2069 64,156,721 15,216,666
2068 64,054,948 15,128,048
2067 63,947,346 15,032,144
2066 63,834,128 14,935,222
2065 63,711,038 14,837,697
2064 63,574,559 14,740,749
2063 63,435,887 14,642,031
2062 63,274,087 14,529,557
2061 63,110,028 14,423,861
2060 62,923,891 14,311,215
2059 62,712,836 14,198,706
2058 62,478,336 14,080,827
2057 62,226,357 13,960,869
2056 61,939,173 13,836,132
2055 61,635,604 13,706,113
2054 61,305,903 13,579,802
2053 60,952,313 13,444,465
2052 60,585,478 13,303,409
2051 60,184,066 13,156,370
2050 59,759,780 13,010,109
2049 59,319,414 12,867,021
2048 58,863,159 12,716,015
2047 58,399,750 12,570,250
2046 57,923,788 12,414,307
2045 57,438,215 12,257,874
2044 56,949,229 12,092,075
2043 56,458,404 11,931,531
2042 55,972,536 11,770,467
2041 55,486,685 11,602,993
2040 55,008,982 11,431,337
2039 54,525,726 11,262,807
2038 54,053,698 11,100,099
2037 53,581,185 10,931,629
2036 53,114,315 10,760,758
2035 52,635,824 10,585,702
2034 52,170,347 10,413,826
2033 51,701,970 10,241,196
2032 51,222,432 10,062,575
2031 50,743,202 9,883,708
2030 50,249,453 9,708,038
2029 49,738,822 9,532,000
2028 49,202,648 9,360,873
2027 48,647,196 9,179,702
2026 48,064,789 9,001,269
2025 47,453,061 8,822,114
2024 46,814,308 8,642,022
2023 46,164,219 8,460,512
2022 45,477,389 8,276,807
2021 44,761,099 8,094,602
2020 44,042,091 7,912,558
2019 43,294,546 7,731,991
2018 42,505,035 7,554,563
2017 41,689,299 7,379,299
2016 40,850,721 7,205,328
2015 40,019,529 7,037,655
2014 39,205,031 6,876,385
2013 38,414,171 6,714,051
2012 37,646,166 6,551,080
2011 36,903,376 6,387,251
2010 36,188,236 6,222,714
2009 35,490,445 6,055,646
2008 34,816,961 5,894,722
2007 34,189,416 5,749,352
2006 33,623,506 5,624,466
2005 33,109,249 5,501,712
2004 32,628,286 5,355,717
2003 32,175,818 5,177,687
2002 31,750,835 4,971,435
2001 31,331,221 4,692,716
2000 30,903,893 4,423,611
1999 30,474,354 4,318,043
1998 30,054,133 4,295,785
1997 29,579,301 4,253,716
1996 29,033,044 4,199,210
1995 28,470,191 4,179,179
1994 27,887,279 4,173,105
1993 27,277,048 4,157,130
1992 26,628,568 4,166,366
1991 25,987,928 4,246,267
1990 25,375,810 4,196,828
1989 24,754,485 4,034,037
1988 24,109,536 3,934,517
1987 23,443,624 3,829,718
1986 22,745,499 3,728,380
1985 22,008,544 3,638,438
1984 21,271,969 3,558,758
1983 20,558,115 3,481,646
1982 19,872,348 3,408,183
1981 19,220,704 3,338,940
1980 18,607,174 3,272,089
1979 18,036,655 3,207,499
1978 17,506,974 3,145,517
1977 17,015,994 3,085,354
1976 16,409,170 3,028,820
1975 15,678,596 2,974,657
1974 15,133,502 2,920,459
1973 14,771,147 2,866,955
1972 14,427,072 2,814,388
1971 14,098,936 2,763,222
1970 13,783,719 2,712,286
1969 13,475,960 2,661,365
1968 13,172,614 2,611,532
1967 12,876,118 2,562,384
1966 12,590,069 2,514,638
1965 12,365,976 2,468,666
1964 12,179,813 2,424,390
1963 11,982,118 2,382,258
1962 11,800,771 2,342,242
1961 11,628,883 2,304,227
1960 11,424,922 2,268,356

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/algeria/sierra-leone | CC BY

From 2006 to 2016, the population of Algeria increased by 7,227,215 people (a 21.5% growth), while Sierra Leone gained 1,580,862 people (a 28.1% growth).

For the next 10 years, from 2016 to 2026, Algeria gained 7,371,604 people (a 18% growth), while Sierra Leone's population increased by 1,844,205 people (a 25.6% growth).

Algeria was ranked 34th most populous country in 2006 and is still 34th in 2026. Sierra Leone was ranked 106th in 2006 and ranked 101st now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Algeria's population will grow by 23.9% to 59,759,780 people with a rank change from 34th to 33rd. The population of Sierra Leone will increase by 43.8% to 13,010,109 people and rank change from 101st to 91st.

Algeria is projected to reach its peak in 2091 at 65.6M people compared to the peak of 16.2M people in 2093 for Sierra Leone.

Population growth rate by year

Algeria
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Growth rate
Algeria Sierra Leone
2100 -0.17% -0.09%
2099 -0.16% -0.08%
2098 -0.13% -0.09%
2097 -0.12% -0.07%
2096 -0.09% -0.05%
2095 -0.09% 0.002%
2094 -0.04% -0.03%
2093 -0.04% 0.02%
2092 -0.03% 0.04%
2091 0.003% 0.06%
2090 -0.003% 0.07%
2089 0.03% 0.09%
2088 0.04% 0.1%
2087 0.06% 0.17%
2086 0.07% 0.13%
2085 0.07% 0.15%
2084 0.08% 0.21%
2083 0.08% 0.23%
2082 0.09% 0.25%
2081 0.11% 0.24%
2080 0.12% 0.26%
2079 0.12% 0.31%
2078 0.13% 0.32%
2077 0.13% 0.35%
2076 0.15% 0.38%
2075 0.15% 0.35%
2074 0.15% 0.44%
2073 0.16% 0.45%
2072 0.16% 0.47%
2071 0.12% 0.51%
2070 0.15% 0.53%
2069 0.16% 0.59%
2068 0.17% 0.64%
2067 0.18% 0.65%
2066 0.19% 0.66%
2065 0.21% 0.66%
2064 0.22% 0.67%
2063 0.26% 0.77%
2062 0.26% 0.73%
2061 0.3% 0.79%
2060 0.34% 0.79%
2059 0.38% 0.84%
2058 0.4% 0.86%
2057 0.46% 0.9%
2056 0.49% 0.95%
2055 0.54% 0.93%
2054 0.58% 1.01%
2053 0.61% 1.06%
2052 0.67% 1.12%
2051 0.71% 1.12%
2050 0.74% 1.11%
2049 0.78% 1.19%
2048 0.79% 1.16%
2047 0.82% 1.26%
2046 0.85% 1.28%
2045 0.86% 1.37%
2044 0.87% 1.35%
2043 0.87% 1.37%
2042 0.88% 1.44%
2041 0.87% 1.5%
2040 0.89% 1.5%
2039 0.87% 1.47%
2038 0.88% 1.54%
2037 0.88% 1.59%
2036 0.91% 1.65%
2035 0.89% 1.65%
2034 0.91% 1.69%
2033 0.94% 1.78%
2032 0.94% 1.81%
2031 0.98% 1.81%
2030 1.03% 1.85%
2029 1.09% 1.83%
2028 1.14% 1.97%
2027 1.21% 1.98%
2026 1.29% 2.03%
2025 1.36% 2.08%
2024 1.41% 2.15%
2023 1.51% 2.22%
2022 1.6% 2.25%
2021 1.63% 2.3%
2020 1.73% 2.34%
2019 1.86% 2.35%
2018 1.96% 2.38%
2017 2.05% 2.41%
2016 2.08% 2.38%
2015 2.08% 2.35%
2014 2.06% 2.42%
2013 2.04% 2.49%
2012 2.01% 2.56%
2011 1.98% 2.64%
2010 1.97% 2.76%
2009 1.93% 2.73%
2008 1.84% 2.53%
2007 1.68% 2.22%
2006 1.55% 2.23%
2005 1.47% 2.73%
2004 1.41% 3.44%
2003 1.34% 4.15%
2002 1.34% 5.94%
2001 1.38% 6.08%
2000 1.41% 2.44%
1999 1.4% 0.52%
1998 1.61% 0.99%
1997 1.88% 1.3%
1996 1.98% 0.48%
1995 2.09% 0.15%
1994 2.24% 0.38%
1993 2.44% -0.22%
1992 2.47% -1.88%
1991 2.41% 1.18%
1990 2.51% 4.04%
1989 2.68% 2.53%
1988 2.84% 2.74%
1987 3.07% 2.72%
1986 3.35% 2.47%
1985 3.46% 2.24%
1984 3.47% 2.21%
1983 3.45% 2.16%
1982 3.39% 2.07%
1981 3.3% 2.04%
1980 3.16% 2.01%
1979 3.03% 1.97%
1978 2.89% 1.95%
1977 3.7% 1.87%
1976 4.66% 1.82%
1975 3.6% 1.86%
1974 2.45% 1.87%
1973 2.38% 1.87%
1972 2.33% 1.85%
1971 2.29% 1.88%
1970 2.28% 1.91%
1969 2.3% 1.91%
1968 2.3% 1.92%
1967 2.27% 1.9%
1966 1.81% 1.86%
1965 1.53% 1.83%
1964 1.65% 1.77%
1963 1.54% 1.71%
1962 1.48% 1.65%
1961 1.79% 1.58%

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/algeria/sierra-leone | CC BY

In 2024, the population of Algeria grew by 1.41%, while Sierra Leone's population grew by 2.15%.

Live population counters

Algeria Sierra Leone
Current population
48222325
9049533
Population rank 34/197 101/197
Percent of world population 0.58% 0.11%
One net population change
48.5 seconds
2.9 minutes
One birth every
34.8 seconds
2.03 minutes
One death every
2.45 minutes
7.5 minutes
Daily growth/decline +1,781 +497
Annual growth/decline +650,089 +181,510
Annual growth/decline rate +1.41% +2.15%
Population growth rate rank 74/197 47/197
One migration net change every
19.1 minutes
46.6 minutes
Annual migration change -27,531 -11,309
Net migration rank 161/196 136/196
Foreign-born residents 259,458 49,997
Foreign-born residents rank 104/195 151/195
Foreign-born share of population 0.6% 0.6%
Foreign-born share rank 168/195 174/195

Natural population change vs migration

Algeria
Natural

Migration
Sierra Leone
Natural

Migration
1x
Year Population change
Algeria Sierra Leone
Natural Migration Natural Migration
2025 - -27,531 - -11,309
2024 - -31,240 - -11,000
2023 691,724 -25,963 188,788 -4,000
2022 722,591 -14,684 186,625 -4,000
2021 735,514 -10,803 183,326 -1,544
2020 724,140 -10,798 181,015 1,292
2019 809,522 -27,786 181,068 -2,238
2018 824,428 -27,146 178,772 -2,741
2017 848,585 -14,403 173,259 1,234
2016 849,368 -6,438 168,784 4,657
2015 847,054 -27,638 162,275 -356
2014 839,654 -30,064 160,137 485
2013 802,203 -30,052 161,265 2,773
2012 790,645 -26,763 160,915 988
2011 741,832 -20,108 158,858 6,895
2010 719,350 -10,788 155,338 7,983
2009 691,496 -4,458 152,669 18,145
2008 662,044 -2,101 149,855 1,182
2007 620,196 -25,046 145,740 -6,042
2006 580,812 -44,138 144,127 -34,052
2005 543,158 -51,345 137,234 -1,805
2004 508,773 -38,648 132,661 23,897
2003 474,272 -39,421 130,312 69,185
2002 451,369 -36,255 126,429 86,578
2001 450,637 -26,539 116,647 227,791
2000 447,025 -16,454 110,754 83,013
1999 434,198 -5,657 102,295 -84,926
1998 425,928 -13,991 103,906 -76,766
1997 450,138 87,582 105,433 -48,437
1996 483,632 71,139 104,140 -52,110
1995 533,104 37,817 100,885 -112,857
1994 594,445 430 101,486 -77,371
1993 611,306 14,289 103,317 -95,476
1992 627,289 44,102 103,251 -129,565
1991 616,850 -6,945 105,477 -238,965
1990 612,369 1,962 100,778 131,587
1989 628,542 -234 98,298 -5,079
1988 637,215 24,376 96,344 9,470
1987 645,309 24,933 94,235 9,558
1986 661,644 64,381 90,902 7,992
1985 672,185 75,729 88,869 -7,873
1984 656,475 68,774 87,072 -8,708
1983 641,167 61,292 84,628 -8,783
1982 620,415 48,660 82,457 -11,379
1981 595,150 39,043 80,111 -12,699
1980 559,983 32,879 77,932 -11,641
1979 523,875 24,311 75,992 -13,095
1978 491,876 19,317 74,130 -13,073
1977 465,405 5,360 71,663 -12,399
1976 440,192 302,662 69,506 -15,686
1975 417,803 300,482 67,560 -13,058
1974 399,509 -27,605 65,357 -11,473
1973 382,736 -29,938 62,443 -9,322
1972 368,179 -32,832 60,279 -8,267
1971 356,069 -35,141 58,484 -8,162
1970 346,564 -37,058 56,513 -4,957
1969 334,541 -28,535 54,768 -4,485
1968 324,560 -23,870 53,126 -3,743
1967 316,289 -23,983 51,734 -2,819
1966 309,628 -29,832 49,486 -2,911
1965 311,190 -142,810 47,223 -1,851
1964 312,729 -108,798 45,487 -2,308
1963 315,645 -124,175 43,569 -2,480
1962 283,903 -112,676 41,603 -2,658
1961 296,467 -123,928 40,022 -2,947
1960 290,582 -55,212 38,192 -3,528

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

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

Over the last 10 years, 97.6% of the population change in Algeria is from natural causes (a gain of 7,892,580 people) and 2.42% is from migration (a loss of 195,723 people). In Sierra Leone 99.6% is from natural causes (a gain of 1,764,049 people) and 0.41% is from migration (a loss of 7,211 people).

As of 2024, 259,458 residents or 0.6% of the population were not native-born in Algeria, compared to 49,997 people or 0.6% in Sierra Leone.

Biggest cities by population

Algeria
City Population
Algiers 2.36M
Oran 803K
Constantine 465K
Batna 291K
Setif 288K
Djelfa 266K
Annaba 257K
Sidi Bel Abbes 213K
Biskra 205K
Tebessa 194K
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 (1960–2024, 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/algeria/sierra-leone | 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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