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

Updated on by Georank

The latest officially reported population of Belize was 422,924 in 2025 vs 8,819,794 people in Sierra Leone in 2025. In 2026, based on the adjusted UN estimation, the current Belize's population is 431,659 people compared to 9,090,531 in Sierra Leone.

Population statistics:

  • Sierra Leone's population is 21.1 times bigger than Belize's.
  • Belize is ranked the 171st most populous country in the world, while Sierra Leone is the 100th.
  • The countries together account for 0.11% of the world: 0.005% for Belize vs 0.11% for Sierra Leone.
  • For the last 10 years, Belize has had an average growth rate of +1.76% per year vs +2.29% in Sierra Leone.
  • Since 2006, the population of Belize has increased from 288K people to 432K (49.9% growth), while Sierra Leone has grown from 5.62M to 9.09M (61.6% growth).

Belize vs Sierra Leone: population by year and forecast

Belize
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Population
Belize Sierra Leone
2100 452,044 16,107,087
2099 455,235 16,121,940
2098 458,394 16,135,035
2097 461,514 16,149,905
2096 464,682 16,160,672
2095 467,855 16,169,304
2094 471,004 16,168,902
2093 474,092 16,173,609
2092 477,139 16,170,778
2091 480,198 16,163,901
2090 483,205 16,154,165
2089 486,135 16,142,526
2088 489,094 16,128,775
2087 492,108 16,112,585
2086 494,903 16,085,549
2085 497,657 16,064,212
2084 500,389 16,040,563
2083 503,097 16,006,923
2082 505,700 15,970,872
2081 508,166 15,930,880
2080 510,562 15,892,665
2079 512,869 15,850,728
2078 515,127 15,801,450
2077 517,367 15,750,408
2076 519,315 15,695,310
2075 521,085 15,635,345
2074 522,809 15,580,279
2073 524,414 15,512,655
2072 525,810 15,442,481
2071 527,132 15,370,747
2070 528,187 15,293,426
2069 529,181 15,212,664
2068 530,112 15,124,069
2067 530,699 15,028,190
2066 531,167 14,931,295
2065 531,462 14,833,794
2064 531,629 14,736,872
2063 531,646 14,638,180
2062 531,508 14,525,736
2061 531,368 14,420,068
2060 531,025 14,307,451
2059 530,482 14,194,972
2058 529,801 14,077,124
2057 528,956 13,957,197
2056 528,034 13,832,494
2055 526,939 13,702,508
2054 525,693 13,576,231
2053 524,361 13,440,929
2052 522,760 13,299,910
2051 521,115 13,152,910
2050 519,218 13,006,688
2049 517,273 12,863,637
2048 515,049 12,712,671
2047 512,800 12,566,944
2046 510,390 12,411,042
2045 507,938 12,254,651
2044 505,311 12,088,895
2043 502,562 11,928,393
2042 499,648 11,767,372
2041 496,579 11,599,942
2040 493,347 11,428,331
2039 490,008 11,259,845
2038 486,391 11,097,180
2037 482,512 10,928,754
2036 478,489 10,757,928
2035 474,259 10,582,918
2034 469,723 10,411,088
2033 465,050 10,238,503
2032 460,281 10,059,929
2031 455,405 9,881,109
2030 450,437 9,705,485
2029 445,247 9,529,493
2028 439,932 9,358,412
2027 434,443 9,177,288
2026 428,719 8,998,902
2025 422,924 8,819,794
2024 417,072 8,642,022
2023 411,106 8,460,512
2022 402,733 8,276,807
2021 395,346 8,094,602
2020 390,812 7,912,558
2019 385,829 7,731,991
2018 380,226 7,554,563
2017 373,202 7,379,299
2016 364,705 7,205,328
2015 356,333 7,037,655
2014 348,923 6,876,385
2013 341,627 6,714,051
2012 334,414 6,551,080
2011 327,298 6,387,251
2010 320,245 6,222,714
2009 312,614 6,055,646
2008 304,361 5,894,722
2007 296,100 5,749,352
2006 287,878 5,624,466
2005 279,731 5,501,712
2004 271,688 5,355,717
2003 263,780 5,177,687
2002 256,009 4,971,435
2001 248,379 4,692,716
2000 240,799 4,423,611
1999 233,059 4,318,043
1998 225,173 4,295,785
1997 217,446 4,253,716
1996 210,310 4,199,210
1995 204,146 4,179,179
1994 199,097 4,173,105
1993 194,902 4,157,130
1992 190,983 4,166,366
1991 187,040 4,246,267
1990 183,076 4,196,828
1989 179,107 4,034,037
1988 175,180 3,934,517
1987 171,338 3,829,718
1986 167,554 3,728,380
1985 163,796 3,638,438
1984 160,044 3,558,758
1983 156,297 3,481,646
1982 152,548 3,408,183
1981 148,786 3,338,940
1980 145,062 3,272,089
1979 141,678 3,207,499
1978 138,713 3,145,517
1977 135,887 3,085,354
1976 133,099 3,028,820
1975 130,387 2,974,657
1974 128,185 2,920,459
1973 126,445 2,866,955
1972 124,676 2,814,388
1971 122,805 2,763,222
1970 120,736 2,712,286
1969 118,040 2,661,365
1968 114,713 2,611,532
1967 111,272 2,562,384
1966 107,906 2,514,638
1965 104,675 2,468,666
1964 101,603 2,424,390
1963 98,704 2,382,258
1962 96,042 2,342,242
1961 93,632 2,304,227
1960 91,318 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/belize/sierra-leone | CC BY

From 2006 to 2016, the population of Belize increased by 76,827 people (a 26.7% growth), while Sierra Leone gained 1,580,862 people (a 28.1% growth).

For the next 10 years, from 2016 to 2026, Belize gained 66,954 people (a 18.4% growth), while Sierra Leone's population increased by 1,885,203 people (a 26.2% growth).

Belize was ranked 173rd most populous country in 2006 and is 171st 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) Belize's population will grow by 20.3% to 519,218 people with a rank change from 171st to 172nd. The population of Sierra Leone will increase by 43.1% to 13,006,688 people and rank change from 100th to 91st.

Belize is projected to reach its peak in 2063 at 532K people compared to the peak of 16.2M people in 2093 for Sierra Leone.

Population growth rate by year

Belize
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Growth rate
Belize Sierra Leone
2100 -0.7% -0.09%
2099 -0.69% -0.08%
2098 -0.68% -0.09%
2097 -0.68% -0.07%
2096 -0.68% -0.05%
2095 -0.67% 0.002%
2094 -0.65% -0.03%
2093 -0.64% 0.02%
2092 -0.64% 0.04%
2091 -0.62% 0.06%
2090 -0.6% 0.07%
2089 -0.61% 0.09%
2088 -0.61% 0.1%
2087 -0.56% 0.17%
2086 -0.55% 0.13%
2085 -0.55% 0.15%
2084 -0.54% 0.21%
2083 -0.51% 0.23%
2082 -0.49% 0.25%
2081 -0.47% 0.24%
2080 -0.45% 0.26%
2079 -0.44% 0.31%
2078 -0.43% 0.32%
2077 -0.38% 0.35%
2076 -0.34% 0.38%
2075 -0.33% 0.35%
2074 -0.31% 0.44%
2073 -0.27% 0.45%
2072 -0.25% 0.47%
2071 -0.2% 0.51%
2070 -0.19% 0.53%
2069 -0.18% 0.59%
2068 -0.11% 0.64%
2067 -0.09% 0.65%
2066 -0.06% 0.66%
2065 -0.03% 0.66%
2064 -0.003% 0.67%
2063 0.03% 0.77%
2062 0.03% 0.73%
2061 0.06% 0.79%
2060 0.1% 0.79%
2059 0.13% 0.84%
2058 0.16% 0.86%
2057 0.17% 0.9%
2056 0.21% 0.95%
2055 0.24% 0.93%
2054 0.25% 1.01%
2053 0.31% 1.06%
2052 0.32% 1.12%
2051 0.37% 1.12%
2050 0.38% 1.11%
2049 0.43% 1.19%
2048 0.44% 1.16%
2047 0.47% 1.26%
2046 0.48% 1.28%
2045 0.52% 1.37%
2044 0.55% 1.35%
2043 0.58% 1.37%
2042 0.62% 1.44%
2041 0.66% 1.5%
2040 0.68% 1.5%
2039 0.74% 1.47%
2038 0.8% 1.54%
2037 0.84% 1.59%
2036 0.89% 1.65%
2035 0.97% 1.65%
2034 1% 1.69%
2033 1.04% 1.78%
2032 1.07% 1.81%
2031 1.1% 1.81%
2030 1.17% 1.85%
2029 1.21% 1.83%
2028 1.26% 1.97%
2027 1.34% 1.98%
2026 1.37% 2.03%
2025 1.4% 2.06%
2024 1.45% 2.15%
2023 2.08% 2.22%
2022 1.87% 2.25%
2021 1.16% 2.3%
2020 1.29% 2.34%
2019 1.47% 2.35%
2018 1.88% 2.38%
2017 2.33% 2.41%
2016 2.35% 2.38%
2015 2.12% 2.35%
2014 2.14% 2.42%
2013 2.16% 2.49%
2012 2.17% 2.56%
2011 2.2% 2.64%
2010 2.44% 2.76%
2009 2.71% 2.73%
2008 2.79% 2.53%
2007 2.86% 2.22%
2006 2.91% 2.23%
2005 2.96% 2.73%
2004 3% 3.44%
2003 3.04% 4.15%
2002 3.07% 5.94%
2001 3.15% 6.08%
2000 3.32% 2.44%
1999 3.5% 0.52%
1998 3.55% 0.99%
1997 3.39% 1.3%
1996 3.02% 0.48%
1995 2.54% 0.15%
1994 2.15% 0.38%
1993 2.05% -0.22%
1992 2.11% -1.88%
1991 2.17% 1.18%
1990 2.22% 4.04%
1989 2.24% 2.53%
1988 2.24% 2.74%
1987 2.26% 2.72%
1986 2.29% 2.47%
1985 2.34% 2.24%
1984 2.4% 2.21%
1983 2.46% 2.16%
1982 2.53% 2.07%
1981 2.57% 2.04%
1980 2.39% 2.01%
1979 2.14% 1.97%
1978 2.08% 1.95%
1977 2.09% 1.87%
1976 2.08% 1.82%
1975 1.72% 1.86%
1974 1.38% 1.87%
1973 1.42% 1.87%
1972 1.52% 1.85%
1971 1.71% 1.88%
1970 2.28% 1.91%
1969 2.9% 1.91%
1968 3.09% 1.92%
1967 3.12% 1.9%
1966 3.09% 1.86%
1965 3.02% 1.83%
1964 2.94% 1.77%
1963 2.77% 1.71%
1962 2.57% 1.65%
1961 2.53% 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/belize/sierra-leone | CC BY

In 2025, the population of Belize grew by 1.4%, while Sierra Leone's population grew by 2.06%.

Live population counters

Belize Sierra Leone
Current population
431659
9090531
Population rank 171/197 100/197
Percent of world population 0.005% 0.11%
One net population change
1.5 hours
2.96 minutes
One birth every
1.16 hours
2.02 minutes
One death every
4.24 hours
7.41 minutes
Daily growth/decline +16 +487
Annual growth/decline +5,852 +177,772
Annual growth/decline rate +1.4% +2.06%
Population growth rate rank 74/197 47/197
One migration net change every
1.02 days
46.6 minutes
Annual migration change +360 -11,309
Net migration rank 70/196 136/196
Foreign-born residents 68,706 49,997
Foreign-born residents rank 143/195 151/195
Foreign-born share of population 16.5% 0.6%
Foreign-born share rank 39/195 174/195

Natural population change vs migration

Belize
Natural

Migration
Sierra Leone
Natural

Migration
1x
Year Population change
Belize Sierra Leone
Natural Migration Natural Migration
2025 - 360 - -11,309
2024 5,460 490 189,234 -11,000
2023 5,386 595 188,788 -4,000
2022 4,825 5,936 186,625 -4,000
2021 4,186 -173 183,326 -1,544
2020 4,993 64 181,015 1,292
2019 5,516 -606 181,068 -2,238
2018 6,112 187 178,772 -2,741
2017 6,042 1,705 173,259 1,234
2016 5,931 3,313 168,784 4,657
2015 5,899 1,596 162,275 -356
2014 5,864 1,456 160,137 485
2013 5,767 1,505 161,265 2,773
2012 5,628 1,524 160,915 988
2011 5,509 1,582 158,858 6,895
2010 5,381 1,639 155,338 7,983
2009 5,506 2,728 152,669 18,145
2008 5,643 2,627 149,855 1,182
2007 5,728 2,521 145,740 -6,042
2006 5,874 2,321 144,127 -34,052
2005 6,030 2,073 137,234 -1,805
2004 5,997 1,980 132,661 23,897
2003 5,968 1,870 130,312 69,185
2002 5,967 1,739 126,429 86,578
2001 5,915 1,640 116,647 227,791
2000 5,934 1,675 110,754 83,013
1999 5,914 1,968 102,295 -84,926
1998 5,733 2,153 103,906 -76,766
1997 5,494 2,072 105,433 -48,437
1996 5,339 1,365 104,140 -52,110
1995 5,339 273 100,885 -112,857
1994 5,283 -798 101,486 -77,371
1993 5,436 -1,521 103,317 -95,476
1992 5,562 -1,634 103,251 -129,565
1991 5,656 -1,699 105,477 -238,965
1990 5,728 -1,763 100,778 131,587
1989 5,629 -1,654 98,298 -5,079
1988 5,465 -1,579 96,344 9,470
1987 5,328 -1,527 94,235 9,558
1986 5,238 -1,475 90,902 7,992
1985 5,155 -1,402 88,869 -7,873
1984 5,128 -1,381 87,072 -8,708
1983 5,161 -1,414 84,628 -8,783
1982 5,155 -1,410 82,457 -11,379
1981 5,132 -1,354 80,111 -12,699
1980 5,029 -1,350 77,932 -11,641
1979 4,929 -1,844 75,992 -13,095
1978 4,804 -1,960 74,130 -13,073
1977 4,659 -1,843 71,663 -12,399
1976 4,484 -1,731 69,506 -15,686
1975 4,294 -1,624 67,560 -13,058
1974 4,136 -2,399 65,357 -11,473
1973 3,974 -2,227 62,443 -9,322
1972 3,814 -2,029 60,279 -8,267
1971 3,651 -1,693 58,484 -8,162
1970 3,486 -1,297 56,513 -4,957
1969 3,346 -148 54,768 -4,485
1968 3,240 214 53,126 -3,743
1967 3,158 265 51,734 -2,819
1966 3,092 214 49,486 -2,911
1965 3,045 112 47,223 -1,851
1964 3,010 -25 45,487 -2,308
1963 2,983 -170 43,569 -2,480
1962 2,961 -450 41,603 -2,658
1961 2,657 -347 40,022 -2,947
1960 2,903 -577 38,192 -3,528

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

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

Over the last 10 years, 80.6% of the population change in Belize is from natural causes (a gain of 54,350 people) and 19.4% is from migration (a gain of 13,107 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, 68,706 residents or 16.5% of the population were not native-born in Belize, compared to 49,997 people or 0.6% in Sierra Leone.

Biggest cities by population

Belize
City Population
Belize 64K
San Ignacio 26.2K
Belmopan 20.8K
San Pedro Town 15.5K
Caye Caulker 2K
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/belize/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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