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

Updated on by Georank

The latest officially reported population of Peru was 34,576,665 in 2025 vs 8,819,794 people in Sierra Leone in 2025. In 2026, based on the adjusted UN estimation, the current Peru's population is 35,105,331 people compared to 9,090,531 in Sierra Leone.

Population statistics:

  • Peru's population is 3.86 times bigger than Sierra Leone's.
  • Peru is ranked the 48th most populous country in the world, while Sierra Leone is the 100th.
  • The countries together account for 0.53% of the world: 0.42% for Peru vs 0.11% for Sierra Leone.
  • For the last 10 years, Peru has had an average growth rate of +1.26% per year vs +2.29% in Sierra Leone.
  • Since 2006, the population of Peru has increased from 28.3M people to 35.1M (23.9% growth), while Sierra Leone has grown from 5.62M to 9.09M (61.6% growth).

Peru vs Sierra Leone: population by year and forecast

Peru
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Population
Peru Sierra Leone
2100 38,442,430 16,107,087
2099 38,609,486 16,121,940
2098 38,774,265 16,135,035
2097 38,937,509 16,149,905
2096 39,098,598 16,160,672
2095 39,257,494 16,169,304
2094 39,413,146 16,168,902
2093 39,567,920 16,173,609
2092 39,718,895 16,170,778
2091 39,867,036 16,163,901
2090 40,012,169 16,154,165
2089 40,153,701 16,142,526
2088 40,292,740 16,128,775
2087 40,428,045 16,112,585
2086 40,558,786 16,085,549
2085 40,685,268 16,064,212
2084 40,807,007 16,040,563
2083 40,923,102 16,006,923
2082 41,034,801 15,970,872
2081 41,140,743 15,930,880
2080 41,241,207 15,892,665
2079 41,334,845 15,850,728
2078 41,422,439 15,801,450
2077 41,503,511 15,750,408
2076 41,578,164 15,695,310
2075 41,645,808 15,635,345
2074 41,706,491 15,580,279
2073 41,759,277 15,512,655
2072 41,804,713 15,442,481
2071 41,842,534 15,370,747
2070 41,873,019 15,293,426
2069 41,895,381 15,212,664
2068 41,909,248 15,124,069
2067 41,914,729 15,028,190
2066 41,912,112 14,931,295
2065 41,901,353 14,833,794
2064 41,882,691 14,736,872
2063 41,855,037 14,638,180
2062 41,819,132 14,525,736
2061 41,774,412 14,420,068
2060 41,721,225 14,307,451
2059 41,659,921 14,194,972
2058 41,590,180 14,077,124
2057 41,511,131 13,957,197
2056 41,423,914 13,832,494
2055 41,327,613 13,702,508
2054 41,223,066 13,576,231
2053 41,109,699 13,440,929
2052 40,988,952 13,299,910
2051 40,860,060 13,152,910
2050 40,722,627 13,006,688
2049 40,577,434 12,863,637
2048 40,424,258 12,712,671
2047 40,261,875 12,566,944
2046 40,090,240 12,411,042
2045 39,910,095 12,254,651
2044 39,720,613 12,088,895
2043 39,523,731 11,928,393
2042 39,318,023 11,767,372
2041 39,103,923 11,599,942
2040 38,882,017 11,428,331
2039 38,652,110 11,259,845
2038 38,414,521 11,097,180
2037 38,168,782 10,928,754
2036 37,914,498 10,757,928
2035 37,652,693 10,582,918
2034 37,382,554 10,411,088
2033 37,105,048 10,238,503
2032 36,820,835 10,059,929
2031 36,529,111 9,881,109
2030 36,228,701 9,705,485
2029 35,919,668 9,529,493
2028 35,600,666 9,358,412
2027 35,271,163 9,177,288
2026 34,930,183 8,998,902
2025 34,576,665 8,819,794
2024 34,217,848 8,642,022
2023 33,845,617 8,460,512
2022 33,475,438 8,276,807
2021 33,155,882 8,094,602
2020 32,838,579 7,912,558
2019 32,449,303 7,731,991
2018 31,897,584 7,554,563
2017 31,324,637 7,379,299
2016 30,866,494 7,205,328
2015 30,457,600 7,037,655
2014 30,115,826 6,876,385
2013 29,817,919 6,714,051
2012 29,550,366 6,551,080
2011 29,304,086 6,387,251
2010 29,086,019 6,222,714
2009 28,896,811 6,055,646
2008 28,719,041 5,894,722
2007 28,530,699 5,749,352
2006 28,324,491 5,624,466
2005 28,101,180 5,501,712
2004 27,852,190 5,355,717
2003 27,580,490 5,177,687
2002 27,288,217 4,971,435
2001 26,964,601 4,692,716
2000 26,598,331 4,423,611
1999 26,186,504 4,318,043
1998 25,738,095 4,295,785
1997 25,274,147 4,253,716
1996 24,811,171 4,199,210
1995 24,348,919 4,179,179
1994 23,881,493 4,173,105
1993 23,413,783 4,157,130
1992 22,946,340 4,166,366
1991 22,483,775 4,246,267
1990 22,014,771 4,196,828
1989 21,532,589 4,034,037
1988 21,054,702 3,934,517
1987 20,582,320 3,829,718
1986 20,117,122 3,728,380
1985 19,648,204 3,638,438
1984 19,174,716 3,558,758
1983 18,705,957 3,481,646
1982 18,246,503 3,408,183
1981 17,798,805 3,338,940
1980 17,360,949 3,272,089
1979 16,933,139 3,207,499
1978 16,516,059 3,145,517
1977 16,109,806 3,085,354
1976 15,716,809 3,028,820
1975 15,333,957 2,974,657
1974 14,956,552 2,920,459
1973 14,582,867 2,866,955
1972 14,210,147 2,814,388
1971 13,838,067 2,763,222
1970 13,501,237 2,712,286
1969 13,166,767 2,661,365
1968 12,803,993 2,611,532
1967 12,448,814 2,562,384
1966 12,101,297 2,514,638
1965 11,761,085 2,468,666
1964 11,427,978 2,424,390
1963 11,102,099 2,382,258
1962 10,784,612 2,342,242
1961 10,475,123 2,304,227
1960 10,174,127 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/peru/sierra-leone | CC BY

From 2006 to 2016, the population of Peru increased by 2,542,003 people (a 8.97% growth), while Sierra Leone gained 1,580,862 people (a 28.1% growth).

For the next 10 years, from 2016 to 2026, Peru gained 4,238,837 people (a 13.7% growth), while Sierra Leone's population increased by 1,885,203 people (a 26.2% growth).

Peru was ranked 40th most populous country in 2006 and is 48th 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) Peru's population will grow by 16% to 40,722,627 people with a rank change from 48th to 51st. The population of Sierra Leone will increase by 43.1% to 13,006,688 people and rank change from 100th to 91st.

Peru is projected to reach its peak in 2067 at 41.9M people compared to the peak of 16.2M people in 2093 for Sierra Leone.

Population growth rate by year

Peru
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Growth rate
Peru Sierra Leone
2100 -0.43% -0.09%
2099 -0.42% -0.08%
2098 -0.42% -0.09%
2097 -0.41% -0.07%
2096 -0.4% -0.05%
2095 -0.39% 0.002%
2094 -0.39% -0.03%
2093 -0.38% 0.02%
2092 -0.37% 0.04%
2091 -0.36% 0.06%
2090 -0.35% 0.07%
2089 -0.35% 0.09%
2088 -0.33% 0.1%
2087 -0.32% 0.17%
2086 -0.31% 0.13%
2085 -0.3% 0.15%
2084 -0.28% 0.21%
2083 -0.27% 0.23%
2082 -0.26% 0.25%
2081 -0.24% 0.24%
2080 -0.23% 0.26%
2079 -0.21% 0.31%
2078 -0.2% 0.32%
2077 -0.18% 0.35%
2076 -0.16% 0.38%
2075 -0.15% 0.35%
2074 -0.13% 0.44%
2073 -0.11% 0.45%
2072 -0.09% 0.47%
2071 -0.07% 0.51%
2070 -0.05% 0.53%
2069 -0.03% 0.59%
2068 -0.01% 0.64%
2067 0.006% 0.65%
2066 0.03% 0.66%
2065 0.04% 0.66%
2064 0.07% 0.67%
2063 0.09% 0.77%
2062 0.11% 0.73%
2061 0.13% 0.79%
2060 0.15% 0.79%
2059 0.17% 0.84%
2058 0.19% 0.86%
2057 0.21% 0.9%
2056 0.23% 0.95%
2055 0.25% 0.93%
2054 0.28% 1.01%
2053 0.29% 1.06%
2052 0.32% 1.12%
2051 0.34% 1.12%
2050 0.36% 1.11%
2049 0.38% 1.19%
2048 0.4% 1.16%
2047 0.43% 1.26%
2046 0.45% 1.28%
2045 0.48% 1.37%
2044 0.5% 1.35%
2043 0.52% 1.37%
2042 0.55% 1.44%
2041 0.57% 1.5%
2040 0.59% 1.5%
2039 0.62% 1.47%
2038 0.64% 1.54%
2037 0.67% 1.59%
2036 0.7% 1.65%
2035 0.72% 1.65%
2034 0.75% 1.69%
2033 0.77% 1.78%
2032 0.8% 1.81%
2031 0.83% 1.81%
2030 0.86% 1.85%
2029 0.9% 1.83%
2028 0.93% 1.97%
2027 0.98% 1.98%
2026 1.02% 2.03%
2025 1.05% 2.06%
2024 1.1% 2.15%
2023 1.11% 2.22%
2022 0.96% 2.25%
2021 0.97% 2.3%
2020 1.2% 2.34%
2019 1.73% 2.35%
2018 1.83% 2.38%
2017 1.48% 2.41%
2016 1.34% 2.38%
2015 1.13% 2.35%
2014 1% 2.42%
2013 0.91% 2.49%
2012 0.84% 2.56%
2011 0.75% 2.64%
2010 0.65% 2.76%
2009 0.62% 2.73%
2008 0.66% 2.53%
2007 0.73% 2.22%
2006 0.79% 2.23%
2005 0.89% 2.73%
2004 0.99% 3.44%
2003 1.07% 4.15%
2002 1.2% 5.94%
2001 1.38% 6.08%
2000 1.57% 2.44%
1999 1.74% 0.52%
1998 1.84% 0.99%
1997 1.87% 1.3%
1996 1.9% 0.48%
1995 1.96% 0.15%
1994 2% 0.38%
1993 2.04% -0.22%
1992 2.06% -1.88%
1991 2.13% 1.18%
1990 2.24% 4.04%
1989 2.27% 2.53%
1988 2.3% 2.74%
1987 2.31% 2.72%
1986 2.39% 2.47%
1985 2.47% 2.24%
1984 2.51% 2.21%
1983 2.52% 2.16%
1982 2.52% 2.07%
1981 2.52% 2.04%
1980 2.53% 2.01%
1979 2.53% 1.97%
1978 2.52% 1.95%
1977 2.5% 1.87%
1976 2.5% 1.82%
1975 2.52% 1.86%
1974 2.56% 1.87%
1973 2.62% 1.87%
1972 2.69% 1.85%
1971 2.49% 1.88%
1970 2.54% 1.91%
1969 2.83% 1.91%
1968 2.85% 1.92%
1967 2.87% 1.9%
1966 2.89% 1.86%
1965 2.91% 1.83%
1964 2.94% 1.77%
1963 2.94% 1.71%
1962 2.95% 1.65%
1961 2.96% 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/peru/sierra-leone | CC BY

In 2025, the population of Peru grew by 1.05%, while Sierra Leone's population grew by 2.06%.

Live population counters

Peru Sierra Leone
Current population
35105331
9090531
Population rank 48/197 100/197
Percent of world population 0.42% 0.11%
One net population change
1.47 minutes
2.96 minutes
One birth every
58.5 seconds
2.02 minutes
One death every
2.75 minutes
7.41 minutes
Daily growth/decline +983 +487
Annual growth/decline +358,817 +177,772
Annual growth/decline rate +1.05% +2.06%
Population growth rate rank 97/197 47/197
One migration net change every
44.2 minutes
46.6 minutes
Annual migration change +11,931 -11,309
Net migration rank 41/196 136/196
Foreign-born residents 1,837,219 49,997
Foreign-born residents rank 39/195 151/195
Foreign-born share of population 5.4% 0.6%
Foreign-born share rank 90/195 174/195

Natural population change vs migration

Peru
Natural

Migration
Sierra Leone
Natural

Migration
1x
Year Population change
Peru Sierra Leone
Natural Migration Natural Migration
2025 - 11,931 - -11,309
2024 347,517 18,406 189,234 -11,000
2023 353,788 24,783 188,788 -4,000
2022 327,859 33,982 186,625 -4,000
2021 235,440 41,868 183,326 -1,544
2020 301,950 55,375 181,015 1,292
2019 346,981 74,270 181,068 -2,238
2018 343,123 339,067 178,772 -2,741
2017 349,333 114,382 173,259 1,234
2016 355,859 96,740 168,784 4,657
2015 362,781 2,421 162,275 -356
2014 368,708 -50,383 160,137 485
2013 372,694 -95,214 161,265 2,773
2012 376,501 -118,863 160,915 988
2011 383,268 -148,339 158,858 6,895
2010 382,510 -181,302 155,338 7,983
2009 396,522 -219,314 152,669 18,145
2008 413,640 -235,307 149,855 1,182
2007 435,122 -236,745 145,740 -6,042
2006 445,884 -231,851 144,127 -34,052
2005 454,199 -221,652 137,234 -1,805
2004 459,617 -194,171 132,661 23,897
2003 459,243 -181,276 130,312 69,185
2002 463,709 -157,158 126,429 86,578
2001 470,154 -129,481 116,647 227,791
2000 484,222 -92,353 110,754 83,013
1999 487,095 -55,325 102,295 -84,926
1998 489,436 -24,388 103,906 -76,766
1997 495,348 -32,515 105,433 -48,437
1996 501,855 -38,749 104,140 -52,110
1995 507,894 -46,499 100,885 -112,857
1994 512,735 -39,299 101,486 -77,371
1993 513,769 -51,775 103,317 -95,476
1992 514,618 -41,702 103,251 -129,565
1991 513,867 -61,645 105,477 -238,965
1990 515,233 -29,437 100,778 131,587
1989 512,152 -33,569 98,298 -5,079
1988 508,429 -31,238 96,344 9,470
1987 502,229 -34,651 94,235 9,558
1986 496,712 -33,891 90,902 7,992
1985 488,887 -13,887 88,869 -7,873
1984 477,968 -6,007 87,072 -8,708
1983 469,781 -4,243 84,628 -8,783
1982 461,107 -7,748 82,457 -11,379
1981 453,158 -11,123 80,111 -12,699
1980 445,100 -11,446 77,932 -11,641
1979 439,110 -17,148 75,992 -13,095
1978 432,127 -19,939 74,130 -13,073
1977 425,428 -25,117 71,663 -12,399
1976 420,284 -34,602 69,506 -15,686
1975 414,400 -34,382 67,560 -13,058
1974 408,299 -33,493 65,357 -11,473
1973 400,752 -28,191 62,443 -9,322
1972 396,960 -24,100 60,279 -8,267
1971 391,506 -20,209 58,484 -8,162
1970 318,022 -15,653 56,513 -4,957
1969 379,347 -12,776 54,768 -4,485
1968 372,379 -13,389 53,126 -3,743
1967 365,224 -13,837 51,734 -2,819
1966 356,819 -13,166 49,486 -2,911
1965 349,245 -12,470 47,223 -1,851
1964 341,570 -12,129 45,487 -2,308
1963 332,352 -10,040 43,569 -2,480
1962 321,716 -9,051 41,603 -2,658
1961 313,385 -7,063 40,022 -2,947
1960 302,924 -7,236 38,192 -3,528

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

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

Over the last 10 years, 80.6% of the population change in Peru is from natural causes (a gain of 3,324,631 people) and 19.4% is from migration (a gain of 801,294 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, 1,837,219 residents or 5.4% of the population were not native-born in Peru, compared to 49,997 people or 0.6% in Sierra Leone.

Biggest cities by population

Peru
City Population
Lima 9.94M
Arequipa 1.01M
Trujillo 920K
Chiclayo 553K
Callao 537K
Piura 473K
Cusco 428K
Chimbote 395K
Huancayo 378K
Iquitos 378K
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/peru/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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