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Population in Belgium compared to Tonga: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Belgium was 11,941,781 in 2025 vs 103,742 people in Tonga in 2025. In 2026, based on the adjusted UN estimation, the current Belgium's population is 11,967,185 people compared to 103,283 in Tonga.

Population statistics:

  • Belgium's population is 115.9 times bigger than Tonga's.
  • Belgium is ranked the 83rd most populous country in the world, while Tonga is the 183rd.
  • The countries together account for 0.15% of the world: 0.14% for Belgium vs 0.001% for Tonga.
  • For the last 10 years, Belgium has had an average growth rate of +0.58% per year vs -0.25% in Tonga.
  • Since 2006, the population of Belgium has increased from 10.5M people to 12M (13.5% growth), while Tonga has declined from 106K to 103K (2.8% decline).

Belgium vs Tonga: population by year and forecast

Belgium
Factual

Projection
Tonga
Factual

Projection
1x
Year Population
Belgium Tonga
2100 11,250,862 117,617
2099 11,269,247 117,585
2098 11,287,433 117,530
2097 11,303,694 117,492
2096 11,319,229 117,461
2095 11,335,187 117,383
2094 11,351,692 117,290
2093 11,367,258 117,207
2092 11,383,419 117,097
2091 11,397,881 116,983
2090 11,412,370 116,838
2089 11,426,889 116,682
2088 11,442,238 116,481
2087 11,457,739 116,277
2086 11,472,102 116,088
2085 11,485,745 115,872
2084 11,499,703 115,628
2083 11,513,055 115,336
2082 11,527,480 115,041
2081 11,539,632 114,752
2080 11,553,646 114,424
2079 11,566,656 114,074
2078 11,580,982 113,710
2077 11,593,809 113,349
2076 11,605,311 112,945
2075 11,617,264 112,565
2074 11,630,340 112,179
2073 11,643,635 111,790
2072 11,656,916 111,377
2071 11,670,459 110,963
2070 11,686,541 110,576
2069 11,702,841 110,209
2068 11,720,297 109,825
2067 11,737,631 109,446
2066 11,756,233 109,062
2065 11,776,031 108,736
2064 11,796,981 108,377
2063 11,818,873 108,033
2062 11,841,060 107,710
2061 11,864,790 107,396
2060 11,886,277 107,117
2059 11,907,924 106,842
2058 11,928,140 106,589
2057 11,951,275 106,345
2056 11,972,819 106,130
2055 11,992,614 105,915
2054 12,011,260 105,698
2053 12,029,602 105,486
2052 12,045,984 105,286
2051 12,059,458 105,079
2050 12,070,180 104,844
2049 12,079,277 104,636
2048 12,086,376 104,387
2047 12,091,336 104,154
2046 12,094,512 103,852
2045 12,096,264 103,548
2044 12,095,660 103,215
2043 12,094,445 102,934
2042 12,092,240 102,692
2041 12,088,320 102,447
2040 12,084,611 102,228
2039 12,080,011 102,061
2038 12,074,019 101,835
2037 12,067,048 101,707
2036 12,060,663 101,627
2035 12,054,093 101,580
2034 12,047,026 101,571
2033 12,038,587 101,591
2032 12,030,514 101,633
2031 12,022,079 101,764
2030 12,012,501 101,928
2029 12,000,773 102,181
2028 11,988,034 102,494
2027 11,974,384 102,841
2026 11,959,583 103,283
2025 11,941,781 103,742
2024 11,858,610 104,175
2023 11,779,946 104,597
2022 11,680,210 105,042
2021 11,586,195 105,490
2020 11,538,604 105,704
2019 11,488,980 105,669
2018 11,427,054 105,567
2017 11,375,158 105,356
2016 11,331,422 105,524
2015 11,274,196 106,095
2014 11,209,057 106,609
2013 11,159,407 107,078
2012 11,106,932 107,460
2011 11,038,264 107,570
2010 10,895,586 107,400
2009 10,796,493 107,203
2008 10,709,973 107,020
2007 10,625,700 106,726
2006 10,547,958 106,253
2005 10,478,617 105,671
2004 10,421,137 105,071
2003 10,376,133 104,464
2002 10,332,785 103,874
2001 10,286,570 103,288
2000 10,251,250 102,677
1999 10,226,419 102,046
1998 10,203,008 101,388
1997 10,181,245 100,674
1996 10,156,637 100,275
1995 10,136,811 100,225
1994 10,115,603 100,166
1993 10,084,475 100,103
1992 10,045,158 100,022
1991 10,004,486 99,895
1990 9,967,379 99,700
1989 9,937,697 99,403
1988 9,901,664 98,969
1987 9,870,234 98,376
1986 9,861,823 98,010
1985 9,858,308 97,984
1984 9,855,372 97,990
1983 9,855,520 97,998
1982 9,856,303 97,980
1981 9,858,982 97,909
1980 9,859,242 97,769
1979 9,848,382 97,544
1978 9,839,534 97,204
1977 9,830,358 96,725
1976 9,818,227 95,325
1975 9,800,700 93,017
1974 9,772,419 90,683
1973 9,741,720 88,805
1972 9,711,115 87,356
1971 9,673,162 85,896
1970 9,655,549 84,401
1969 9,646,032 82,885
1968 9,618,756 81,353
1967 9,580,991 79,814
1966 9,527,807 78,002
1965 9,463,667 75,924
1964 9,378,113 73,879
1963 9,289,770 71,885
1962 9,220,578 69,940
1961 9,183,948 68,037
1960 9,153,489 66,170

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/belgium/tonga | CC BY

From 2006 to 2016, the population of Belgium increased by 783,464 people (a 7.43% growth), while Tonga lost 729 people (a 0.69% decline).

For the next 10 years, from 2016 to 2026, Belgium gained 635,763 people (a 5.61% growth), while Tonga's population decreased by 2,241 people (a 2.12% decline).

Belgium was ranked 77th most populous country in 2006 and is 83rd in 2026. Tonga was ranked 182nd in 2006 and ranked 183rd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Belgium's population will grow by 0.86% to 12,070,180 people with a rank change from 83rd to 92nd. The population of Tonga will increase by 1.51% to 104,844 people and will still be ranked 183rd.

Belgium is projected to reach its peak in 2045 at 12.1M people compared to the peak of 118K people in 2100 for Tonga.

Population growth rate by year

Belgium
Factual

Projection
Tonga
Factual

Projection
1x
Year Growth rate
Belgium Tonga
2100 -0.16% 0.03%
2099 -0.16% 0.05%
2098 -0.14% 0.03%
2097 -0.14% 0.03%
2096 -0.14% 0.07%
2095 -0.15% 0.08%
2094 -0.14% 0.07%
2093 -0.14% 0.09%
2092 -0.13% 0.1%
2091 -0.13% 0.12%
2090 -0.13% 0.13%
2089 -0.13% 0.17%
2088 -0.14% 0.18%
2087 -0.13% 0.16%
2086 -0.12% 0.19%
2085 -0.12% 0.21%
2084 -0.12% 0.25%
2083 -0.13% 0.26%
2082 -0.11% 0.25%
2081 -0.12% 0.29%
2080 -0.11% 0.31%
2079 -0.12% 0.32%
2078 -0.11% 0.32%
2077 -0.1% 0.36%
2076 -0.1% 0.34%
2075 -0.11% 0.34%
2074 -0.11% 0.35%
2073 -0.11% 0.37%
2072 -0.12% 0.37%
2071 -0.14% 0.35%
2070 -0.14% 0.33%
2069 -0.15% 0.35%
2068 -0.15% 0.35%
2067 -0.16% 0.35%
2066 -0.17% 0.3%
2065 -0.18% 0.33%
2064 -0.19% 0.32%
2063 -0.19% 0.3%
2062 -0.2% 0.29%
2061 -0.18% 0.26%
2060 -0.18% 0.26%
2059 -0.17% 0.24%
2058 -0.19% 0.23%
2057 -0.18% 0.2%
2056 -0.17% 0.2%
2055 -0.16% 0.2%
2054 -0.15% 0.2%
2053 -0.14% 0.19%
2052 -0.11% 0.2%
2051 -0.09% 0.22%
2050 -0.08% 0.2%
2049 -0.06% 0.24%
2048 -0.04% 0.22%
2047 -0.03% 0.29%
2046 -0.01% 0.29%
2045 0.005% 0.32%
2044 0.01% 0.27%
2043 0.02% 0.24%
2042 0.03% 0.24%
2041 0.03% 0.21%
2040 0.04% 0.16%
2039 0.05% 0.22%
2038 0.06% 0.13%
2037 0.05% 0.08%
2036 0.05% 0.05%
2035 0.06% 0.009%
2034 0.07% -0.02%
2033 0.07% -0.04%
2032 0.07% -0.13%
2031 0.08% -0.16%
2030 0.1% -0.25%
2029 0.11% -0.31%
2028 0.11% -0.34%
2027 0.12% -0.43%
2026 0.15% -0.44%
2025 0.7% -0.42%
2024 0.67% -0.4%
2023 0.85% -0.42%
2022 0.81% -0.42%
2021 0.41% -0.2%
2020 0.43% 0.03%
2019 0.54% 0.1%
2018 0.46% 0.2%
2017 0.39% -0.16%
2016 0.51% -0.54%
2015 0.58% -0.48%
2014 0.44% -0.44%
2013 0.47% -0.36%
2012 0.62% -0.1%
2011 1.31% 0.16%
2010 0.92% 0.18%
2009 0.81% 0.17%
2008 0.79% 0.28%
2007 0.74% 0.45%
2006 0.66% 0.55%
2005 0.55% 0.57%
2004 0.43% 0.58%
2003 0.42% 0.57%
2002 0.45% 0.57%
2001 0.34% 0.6%
2000 0.24% 0.62%
1999 0.23% 0.65%
1998 0.21% 0.71%
1997 0.24% 0.4%
1996 0.2% 0.05%
1995 0.21% 0.06%
1994 0.31% 0.06%
1993 0.39% 0.08%
1992 0.41% 0.13%
1991 0.37% 0.2%
1990 0.3% 0.3%
1989 0.36% 0.44%
1988 0.32% 0.6%
1987 0.09% 0.37%
1986 0.04% 0.03%
1985 0.03% -0.006%
1984 -0.002% -0.008%
1983 -0.008% 0.02%
1982 -0.03% 0.07%
1981 -0.003% 0.14%
1980 0.11% 0.23%
1979 0.09% 0.35%
1978 0.09% 0.5%
1977 0.12% 1.47%
1976 0.18% 2.48%
1975 0.29% 2.57%
1974 0.32% 2.11%
1973 0.32% 1.66%
1972 0.39% 1.7%
1971 0.18% 1.77%
1970 0.1% 1.83%
1969 0.28% 1.88%
1968 0.39% 1.93%
1967 0.56% 2.32%
1966 0.68% 2.74%
1965 0.91% 2.77%
1964 0.95% 2.77%
1963 0.75% 2.78%
1962 0.4% 2.8%
1961 0.33% 2.82%

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/belgium/tonga | CC BY

In 2025, the population of Belgium grew by 0.7%, while Tonga's population declined by 0.42%.

Live population counters

Belgium Tonga
Current population
11967185
103283
Population rank 83/197 183/197
Percent of world population 0.14% 0.001%
One net population change
6.34 minutes
20.3 hours
One birth every
4.82 minutes
3.65 hours
One death every
4.67 minutes
13.1 hours
Daily growth/decline +228 -1
Annual growth/decline +83,171 -433
Annual growth/decline rate +0.7% -0.42%
Population growth rate rank 116/197 181/197
One migration net change every
16.5 minutes
4.09 hours
Annual migration change +31,989 -2,150
Net migration rank 28/196 99/196
Foreign-born residents 2,349,032 3,581
Foreign-born residents rank 30/195 187/195
Foreign-born share of population 20% 3.4%
Foreign-born share rank 30/195 113/195

Natural population change vs migration

Belgium
Natural

Migration
Tonga
Natural

Migration
1x
Year Population change
Belgium Tonga
Natural Migration Natural Migration
2025 - 31,989 - -2,150
2024 -3,557 36,243 1,729 -2,149
2023 0 41,679 1,744 -2,173
2022 -2,336 118,615 1,772 -2,218
2021 5,793 24,017 1,773 -2,220
2020 -12,692 43,777 1,816 -1,807
2019 8,042 58,469 1,841 -1,778
2018 7,999 50,604 1,873 -1,723
2017 10,238 37,981 1,912 -1,642
2016 14,731 28,090 1,989 -2,591
2015 11,274 63,536 2,064 -2,610
2014 21,297 37,472 2,135 -2,622
2013 16,739 28,066 2,199 -2,637
2012 18,882 45,001 2,255 -2,578
2011 25,388 52,464 2,298 -2,198
2010 23,970 105,232 2,332 -2,097
2009 23,752 97,175 2,358 -2,204
2008 22,491 66,470 2,397 -2,177
2007 23,376 59,911 2,423 -2,057
2006 21,096 53,574 2,459 -1,875
2005 15,718 50,576 2,495 -1,906
2004 16,673 35,143 2,478 -1,876
2003 7,263 34,472 2,448 -1,844
2002 7,233 39,404 2,396 -1,815
2001 11,315 34,924 2,358 -1,766
2000 12,302 13,952 2,346 -1,721
1999 9,203 16,849 2,352 -1,710
1998 9,183 12,517 2,344 -1,665
1997 12,218 10,262 2,332 -1,589
1996 12,188 15,684 2,393 -2,338
1995 11,150 1,937 2,476 -2,422
1994 12,139 17,636 2,547 -2,484
1993 14,118 18,542 2,594 -2,532
1992 20,090 25,941 2,622 -2,524
1991 22,010 27,038 2,637 -2,484
1990 19,935 8,299 2,641 -2,409
1989 13,912 7,301 2,644 -2,280
1988 14,853 3,929 2,649 -2,138
1987 11,844 3,525 2,646 -1,970
1986 5,917 2,964 2,704 -2,650
1985 2,958 2,165 2,762 -2,775
1984 4,927 1,697 2,814 -2,823
1983 2,956 1,252 2,840 -2,840
1982 7,885 1,100 2,853 -2,814
1981 11,831 2,826 2,882 -2,778
1980 10,845 11,482 2,885 -2,708
1979 11,818 11,277 2,884 -2,604
1978 7,872 10,828 2,862 -2,457
1977 8,847 10,460 2,822 -2,273
1976 1,964 10,360 2,769 -523
1975 0 9,652 2,709 -346
1974 7,818 8,924 2,650 -344
1973 11,690 8,684 2,617 -1,168
1972 18,451 8,384 2,605 -1,153
1971 21,281 7,992 2,611 -1,138
1970 23,173 19,393 2,628 -1,122
1969 21,221 20,072 2,632 -1,101
1968 20,199 19,809 2,614 -1,078
1967 31,618 19,492 2,603 -1,060
1966 36,206 18,985 2,550 -465
1965 39,748 18,243 2,498 -426
1964 51,580 17,687 2,445 -428
1963 41,804 16,355 2,394 -426
1962 42,414 14,829 2,343 -420
1961 52,349 10,566 2,284 -401
1960 40,275 9,893 2,230 -384

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

GeoRank.org/population/belgium/tonga | CC BY

Over the last 10 years, 7.28% of the population change in Belgium is from natural causes (a gain of 39,492 people) and 92.7% is from migration (a gain of 503,011 people). In Tonga 47% is from natural causes (a gain of 18,513 people) and 53% is from migration (a loss of 20,911 people).

As of 2024, 2,349,032 residents or 20% of the population were not native-born in Belgium, compared to 3,581 people or 3.4% in Tonga.

Biggest cities by population

Belgium
City Population
Brussels 1.25M
Antwerp 529K
Ghent 273K
Charleroi 204K
Liege 195K
Schaerbeek 133K
Anderlecht 121K
Bruges 119K
Namur 115K
Leuven 101K
Tonga
City Population
Nukualofa 23.2K
Mua 5K

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/belgium/tonga | 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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