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

Updated on by Georank

The latest officially reported population of Portugal was 10,804,871 in 2025 vs 8,819,794 people in Sierra Leone in 2025. In 2026, based on the adjusted UN estimation, the current Portugal's population is 10,788,071 people compared to 9,090,531 in Sierra Leone.

Population statistics:

  • Portugal's population is 1.19 times bigger than Sierra Leone's.
  • Portugal is ranked the 91st most populous country in the world, while Sierra Leone is the 100th.
  • The countries together account for 0.24% of the world: 0.13% for Portugal vs 0.11% for Sierra Leone.
  • For the last 10 years, Portugal has had an average growth rate of +0.35% per year vs +2.29% in Sierra Leone.
  • Since 2006, the population of Portugal has increased from 10.5M people to 10.8M (2.53% growth), while Sierra Leone has grown from 5.62M to 9.09M (61.6% growth).

Portugal vs Sierra Leone: population by year and forecast

Portugal
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Population
Portugal Sierra Leone
2100 9,079,610 16,107,087
2099 9,084,930 16,121,940
2098 9,089,064 16,135,035
2097 9,094,546 16,149,905
2096 9,100,755 16,160,672
2095 9,108,548 16,169,304
2094 9,113,366 16,168,902
2093 9,118,286 16,173,609
2092 9,123,579 16,170,778
2091 9,127,714 16,163,901
2090 9,132,140 16,154,165
2089 9,136,870 16,142,526
2088 9,141,647 16,128,775
2087 9,147,996 16,112,585
2086 9,152,804 16,085,549
2085 9,158,263 16,064,212
2084 9,165,158 16,040,563
2083 9,171,574 16,006,923
2082 9,179,958 15,970,872
2081 9,190,466 15,930,880
2080 9,201,621 15,892,665
2079 9,214,398 15,850,728
2078 9,228,555 15,801,450
2077 9,243,708 15,750,408
2076 9,262,542 15,695,310
2075 9,282,392 15,635,345
2074 9,305,608 15,580,279
2073 9,330,117 15,512,655
2072 9,353,771 15,442,481
2071 9,380,991 15,370,747
2070 9,409,668 15,293,426
2069 9,440,299 15,212,664
2068 9,473,457 15,124,069
2067 9,506,001 15,028,190
2066 9,539,597 14,931,295
2065 9,574,237 14,833,794
2064 9,611,738 14,736,872
2063 9,649,045 14,638,180
2062 9,686,737 14,525,736
2061 9,723,601 14,420,068
2060 9,762,379 14,307,451
2059 9,801,072 14,194,972
2058 9,841,936 14,077,124
2057 9,880,092 13,957,197
2056 9,918,643 13,832,494
2055 9,958,971 13,702,508
2054 9,997,570 13,576,231
2053 10,037,385 13,440,929
2052 10,076,095 13,299,910
2051 10,112,788 13,152,910
2050 10,149,626 13,006,688
2049 10,187,172 12,863,637
2048 10,221,034 12,712,671
2047 10,255,340 12,566,944
2046 10,289,266 12,411,042
2045 10,321,807 12,254,651
2044 10,353,338 12,088,895
2043 10,384,554 11,928,393
2042 10,412,950 11,767,372
2041 10,440,054 11,599,942
2040 10,469,380 11,428,331
2039 10,497,556 11,259,845
2038 10,523,869 11,097,180
2037 10,548,445 10,928,754
2036 10,573,361 10,757,928
2035 10,597,352 10,582,918
2034 10,621,955 10,411,088
2033 10,645,024 10,238,503
2032 10,668,384 10,059,929
2031 10,689,372 9,881,109
2030 10,708,819 9,705,485
2029 10,729,893 9,529,493
2028 10,752,023 9,358,412
2027 10,770,712 9,177,288
2026 10,788,071 8,998,902
2025 10,804,871 8,819,794
2024 10,694,681 8,642,022
2023 10,578,174 8,460,512
2022 10,434,332 8,276,807
2021 10,361,831 8,094,602
2020 10,297,081 7,912,558
2019 10,286,263 7,731,991
2018 10,283,822 7,554,563
2017 10,300,300 7,379,299
2016 10,325,452 7,205,328
2015 10,358,076 7,037,655
2014 10,401,062 6,876,385
2013 10,457,295 6,714,051
2012 10,514,844 6,551,080
2011 10,557,560 6,387,251
2010 10,573,100 6,222,714
2009 10,568,247 6,055,646
2008 10,558,177 5,894,722
2007 10,542,964 5,749,352
2006 10,522,288 5,624,466
2005 10,503,330 5,501,712
2004 10,483,861 5,355,717
2003 10,458,821 5,177,687
2002 10,419,631 4,971,435
2001 10,362,722 4,692,716
2000 10,289,898 4,423,611
1999 10,217,828 4,318,043
1998 10,160,196 4,295,785
1997 10,108,977 4,253,716
1996 10,063,945 4,199,210
1995 10,026,176 4,179,179
1994 9,991,525 4,173,105
1993 9,964,675 4,157,130
1992 9,952,494 4,166,366
1991 9,960,235 4,246,267
1990 9,983,218 4,196,828
1989 10,005,000 4,034,037
1988 10,019,610 3,934,517
1987 10,030,031 3,829,718
1986 10,032,734 3,728,380
1985 10,023,613 3,638,438
1984 9,996,232 3,558,758
1983 9,957,865 3,481,646
1982 9,911,771 3,408,183
1981 9,851,362 3,338,940
1980 9,766,312 3,272,089
1979 9,661,265 3,207,499
1978 9,558,250 3,145,517
1977 9,455,675 3,085,354
1976 9,355,810 3,028,820
1975 9,093,470 2,974,657
1974 8,754,365 2,920,459
1973 8,633,100 2,866,955
1972 8,630,430 2,814,388
1971 8,643,756 2,763,222
1970 8,680,431 2,712,286
1969 8,757,705 2,661,365
1968 8,836,650 2,611,532
1967 8,874,520 2,562,384
1966 8,930,990 2,514,638
1965 8,998,595 2,468,666
1964 9,035,365 2,424,390
1963 9,030,355 2,382,258
1962 8,993,985 2,342,242
1961 8,929,316 2,304,227
1960 8,857,716 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/portugal/sierra-leone | CC BY

From 2006 to 2016, the population of Portugal decreased by 196,836 people (a 1.87% decline), while Sierra Leone gained 1,580,862 people (a 28.1% growth).

For the next 10 years, from 2016 to 2026, Portugal gained 462,619 people (a 4.48% growth), while Sierra Leone's population increased by 1,885,203 people (a 26.2% growth).

Portugal was ranked 78th most populous country in 2006 and is 91st 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) Portugal's population will shrink by 5.92% to 10,149,626 people with a rank change from 91st to 97th. The population of Sierra Leone will increase by 43.1% to 13,006,688 people and rank change from 100th to 91st.

Sierra Leone is projected to reach its peak in 2093 at 16.2M people, while Portugal's population already peaked in 2025 at 10.8M people and is projected to decrease to 9.08M people by 2100.

Population growth rate by year

Portugal
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Growth rate
Portugal Sierra Leone
2100 -0.06% -0.09%
2099 -0.05% -0.08%
2098 -0.06% -0.09%
2097 -0.07% -0.07%
2096 -0.09% -0.05%
2095 -0.05% 0.002%
2094 -0.05% -0.03%
2093 -0.06% 0.02%
2092 -0.05% 0.04%
2091 -0.05% 0.06%
2090 -0.05% 0.07%
2089 -0.05% 0.09%
2088 -0.07% 0.1%
2087 -0.05% 0.17%
2086 -0.06% 0.13%
2085 -0.08% 0.15%
2084 -0.07% 0.21%
2083 -0.09% 0.23%
2082 -0.11% 0.25%
2081 -0.12% 0.24%
2080 -0.14% 0.26%
2079 -0.15% 0.31%
2078 -0.16% 0.32%
2077 -0.2% 0.35%
2076 -0.21% 0.38%
2075 -0.25% 0.35%
2074 -0.26% 0.44%
2073 -0.25% 0.45%
2072 -0.29% 0.47%
2071 -0.3% 0.51%
2070 -0.32% 0.53%
2069 -0.35% 0.59%
2068 -0.34% 0.64%
2067 -0.35% 0.65%
2066 -0.36% 0.66%
2065 -0.39% 0.66%
2064 -0.39% 0.67%
2063 -0.39% 0.77%
2062 -0.38% 0.73%
2061 -0.4% 0.79%
2060 -0.39% 0.79%
2059 -0.42% 0.84%
2058 -0.39% 0.86%
2057 -0.39% 0.9%
2056 -0.4% 0.95%
2055 -0.39% 0.93%
2054 -0.4% 1.01%
2053 -0.38% 1.06%
2052 -0.36% 1.12%
2051 -0.36% 1.12%
2050 -0.37% 1.11%
2049 -0.33% 1.19%
2048 -0.33% 1.16%
2047 -0.33% 1.26%
2046 -0.32% 1.28%
2045 -0.3% 1.37%
2044 -0.3% 1.35%
2043 -0.27% 1.37%
2042 -0.26% 1.44%
2041 -0.28% 1.5%
2040 -0.27% 1.5%
2039 -0.25% 1.47%
2038 -0.23% 1.54%
2037 -0.24% 1.59%
2036 -0.23% 1.65%
2035 -0.23% 1.65%
2034 -0.22% 1.69%
2033 -0.22% 1.78%
2032 -0.2% 1.81%
2031 -0.18% 1.81%
2030 -0.2% 1.85%
2029 -0.21% 1.83%
2028 -0.17% 1.97%
2027 -0.16% 1.98%
2026 -0.16% 2.03%
2025 1.03% 2.06%
2024 1.1% 2.15%
2023 1.38% 2.22%
2022 0.7% 2.25%
2021 0.63% 2.3%
2020 0.11% 2.34%
2019 0.02% 2.35%
2018 -0.16% 2.38%
2017 -0.24% 2.41%
2016 -0.31% 2.38%
2015 -0.41% 2.35%
2014 -0.54% 2.42%
2013 -0.55% 2.49%
2012 -0.4% 2.56%
2011 -0.15% 2.64%
2010 0.05% 2.76%
2009 0.1% 2.73%
2008 0.14% 2.53%
2007 0.2% 2.22%
2006 0.18% 2.23%
2005 0.19% 2.73%
2004 0.24% 3.44%
2003 0.38% 4.15%
2002 0.55% 5.94%
2001 0.71% 6.08%
2000 0.71% 2.44%
1999 0.57% 0.52%
1998 0.51% 0.99%
1997 0.45% 1.3%
1996 0.38% 0.48%
1995 0.35% 0.15%
1994 0.27% 0.38%
1993 0.12% -0.22%
1992 -0.08% -1.88%
1991 -0.23% 1.18%
1990 -0.22% 4.04%
1989 -0.15% 2.53%
1988 -0.1% 2.74%
1987 -0.03% 2.72%
1986 0.09% 2.47%
1985 0.27% 2.24%
1984 0.39% 2.21%
1983 0.47% 2.16%
1982 0.61% 2.07%
1981 0.87% 2.04%
1980 1.09% 2.01%
1979 1.08% 1.97%
1978 1.08% 1.95%
1977 1.07% 1.87%
1976 2.88% 1.82%
1975 3.87% 1.86%
1974 1.4% 1.87%
1973 0.03% 1.87%
1972 -0.15% 1.85%
1971 -0.42% 1.88%
1970 -0.88% 1.91%
1969 -0.89% 1.91%
1968 -0.43% 1.92%
1967 -0.63% 1.9%
1966 -0.75% 1.86%
1965 -0.41% 1.83%
1964 0.06% 1.77%
1963 0.4% 1.71%
1962 0.72% 1.65%
1961 0.81% 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/portugal/sierra-leone | CC BY

In 2025, the population of Portugal grew by 1.03%, while Sierra Leone's population grew by 2.06%.

Live population counters

Portugal Sierra Leone
Current population
10788071
9090531
Population rank 91/197 100/197
Percent of world population 0.13% 0.11%
One net population change
4.78 minutes
2.96 minutes
One birth every
6.22 minutes
2.02 minutes
One death every
4.43 minutes
7.41 minutes
Daily growth/decline +302 +487
Annual growth/decline +110,190 +177,772
Annual growth/decline rate +1.03% +2.06%
Population growth rate rank 99/197 47/197
One migration net change every
32 minutes
46.6 minutes
Annual migration change +16,472 -11,309
Net migration rank 38/196 136/196
Foreign-born residents 1,127,184 49,997
Foreign-born residents rank 56/195 151/195
Foreign-born share of population 10.8% 0.6%
Foreign-born share rank 61/195 174/195

Natural population change vs migration

Portugal
Natural

Migration
Sierra Leone
Natural

Migration
1x
Year Population change
Portugal Sierra Leone
Natural Migration Natural Migration
2025 - 16,472 - -11,309
2024 -34,223 20,648 189,234 -11,000
2023 -32,792 29,102 188,788 -4,000
2022 -40,694 68,696 186,625 -4,000
2021 -45,592 69,606 183,326 -1,544
2020 -39,129 54,076 181,015 1,292
2019 -24,687 63,031 181,068 -2,238
2018 -25,709 22,495 178,772 -2,741
2017 -23,691 13,979 173,259 1,234
2016 -23,749 -775 168,784 4,657
2015 -23,823 -3,209 162,275 -356
2014 -22,882 -26,447 160,137 485
2013 -24,052 -36,342 161,265 2,773
2012 -17,875 -37,083 160,915 988
2011 -5,279 -31,513 158,858 6,895
2010 -4,230 -5,627 155,338 7,983
2009 -5,284 14,532 152,669 18,145
2008 0 9,478 149,855 1,182
2007 -1,055 21,064 145,740 -6,042
2006 3,156 16,754 144,127 -34,052
2005 2,101 15,537 137,234 -1,805
2004 7,339 13,928 132,661 23,897
2003 4,184 24,740 130,312 69,185
2002 8,335 42,169 126,429 86,578
2001 8,290 55,565 116,647 227,791
2000 15,435 60,586 110,754 83,013
1999 8,175 49,572 102,295 -84,926
1998 7,112 40,931 103,906 -76,766
1997 8,087 36,922 105,433 -48,437
1996 4,026 32,640 104,140 -52,110
1995 4,011 26,971 100,885 -112,857
1994 9,991 20,761 101,486 -77,371
1993 7,972 8,561 103,317 -95,476
1992 13,933 -11,847 103,251 -129,565
1991 12,948 -37,914 105,477 -238,965
1990 13,976 -34,855 100,778 131,587
1989 22,011 -30,615 98,298 -5,079
1988 24,047 -26,595 96,344 9,470
1987 28,084 -23,142 94,235 9,558
1986 31,102 -20,000 90,902 7,992
1985 33,077 -19,183 88,869 -7,873
1984 45,983 -16,658 87,072 -8,708
1983 47,798 -16,568 84,628 -8,783
1982 58,479 -15,006 82,457 -11,379
1981 56,152 -7,938 80,111 -12,699
1980 63,481 29,881 77,932 -11,641
1979 67,628 32,434 75,992 -13,095
1978 70,731 34,345 74,130 -13,073
1977 84,156 37,779 71,663 -12,399
1976 85,138 40,490 69,506 -15,686
1975 81,841 42,262 67,560 -13,058
1974 74,412 41,254 65,357 -11,473
1973 76,835 39,748 62,443 -9,322
1972 83,715 39,058 60,279 -8,267
1971 82,980 48,944 58,484 -8,162
1970 87,672 -191,862 56,513 -4,957
1969 89,329 -161,114 54,768 -4,485
1968 100,737 -145,200 53,126 -3,743
1967 106,495 -136,232 51,734 -2,819
1966 107,171 -129,233 49,486 -2,911
1965 115,182 -123,855 47,223 -1,851
1964 120,170 -118,763 45,487 -2,308
1963 113,783 -116,874 43,569 -2,480
1962 123,217 -113,947 41,603 -2,658
1961 117,867 -112,768 40,022 -2,947
1960 118,693 -95,886 38,192 -3,528

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

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

Over the last 10 years, 48.2% of the population change in Portugal is from natural causes (a loss of 314,089 people) and 51.8% is from migration (a gain of 337,649 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, 1,127,184 residents or 10.8% of the population were not native-born in Portugal, compared to 49,997 people or 0.6% in Sierra Leone.

Biggest cities by population

Portugal
City Population
Lisbon 546K
Sintra 386K
Vila Nova de Gaia 304K
Porto 232K
Cascais 214K
Loures 202K
Braga 193K
Almada 177K
Matosinhos 173K
Oeiras 172K
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/portugal/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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