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Population in Belgium compared to the United Kingdom: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Belgium was 11,941,781 in 2025 vs 69,487,000 people in the United Kingdom in 2025. In 2026, based on the adjusted UN estimation, the current Belgium's population is 11,967,185 people compared to 70,071,289 in the United Kingdom.

Population statistics:

  • The United Kingdom's population is 5.86 times bigger than Belgium's.
  • Belgium is ranked the 83rd most populous country in the world, while the United Kingdom is the 22nd.
  • The countries together account for 0.99% of the world: 0.14% for Belgium vs 0.84% for the United Kingdom.
  • For the last 10 years, Belgium has had an average growth rate of +0.58% per year vs +0.66% in the United Kingdom.
  • Since 2006, the population of Belgium has increased from 10.5M people to 12M (13.5% growth), while the United Kingdom has grown from 60.8M to 70.1M (15.2% growth).

Belgium vs United Kingdom: population by year and forecast

Belgium
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Population
Belgium United Kingdom
2100 11,250,862 74,517,005
2099 11,269,247 74,647,273
2098 11,287,433 74,766,073
2097 11,303,694 74,879,923
2096 11,319,229 74,991,940
2095 11,335,187 75,102,041
2094 11,351,692 75,198,597
2093 11,367,258 75,296,704
2092 11,383,419 75,390,038
2091 11,397,881 75,480,137
2090 11,412,370 75,566,962
2089 11,426,889 75,649,353
2088 11,442,238 75,721,067
2087 11,457,739 75,791,990
2086 11,472,102 75,859,854
2085 11,485,745 75,918,647
2084 11,499,703 75,969,065
2083 11,513,055 76,018,614
2082 11,527,480 76,059,464
2081 11,539,632 76,086,593
2080 11,553,646 76,118,679
2079 11,566,656 76,147,352
2078 11,580,982 76,165,841
2077 11,593,809 76,183,437
2076 11,605,311 76,185,828
2075 11,617,264 76,198,349
2074 11,630,340 76,209,676
2073 11,643,635 76,218,781
2072 11,656,916 76,211,187
2071 11,670,459 76,200,495
2070 11,686,541 76,190,801
2069 11,702,841 76,184,140
2068 11,720,297 76,183,288
2067 11,737,631 76,175,881
2066 11,756,233 76,168,987
2065 11,776,031 76,168,193
2064 11,796,981 76,165,129
2063 11,818,873 76,165,534
2062 11,841,060 76,158,910
2061 11,864,790 76,156,587
2060 11,886,277 76,157,104
2059 11,907,924 76,157,593
2058 11,928,140 76,139,384
2057 11,951,275 76,119,478
2056 11,972,819 76,086,799
2055 11,992,614 76,047,952
2054 12,011,260 75,980,524
2053 12,029,602 75,907,047
2052 12,045,984 75,815,200
2051 12,059,458 75,709,173
2050 12,070,180 75,591,218
2049 12,079,277 75,460,140
2048 12,086,376 75,313,837
2047 12,091,336 75,153,802
2046 12,094,512 74,986,563
2045 12,096,264 74,808,886
2044 12,095,660 74,623,687
2043 12,094,445 74,424,133
2042 12,092,240 74,224,922
2041 12,088,320 74,020,934
2040 12,084,611 73,812,680
2039 12,080,011 73,600,788
2038 12,074,019 73,378,310
2037 12,067,048 73,155,497
2036 12,060,663 72,921,995
2035 12,054,093 72,671,687
2034 12,047,026 72,418,766
2033 12,038,587 72,145,065
2032 12,030,514 71,869,259
2031 12,022,079 71,581,519
2030 12,012,501 71,267,237
2029 12,000,773 70,948,992
2028 11,988,034 70,609,246
2027 11,974,384 70,248,858
2026 11,959,583 69,883,746
2025 11,941,781 69,487,000
2024 11,858,610 69,281,000
2023 11,779,946 68,526,000
2022 11,680,210 67,636,000
2021 11,586,195 66,978,000
2020 11,538,604 66,740,000
2019 11,488,980 66,628,000
2018 11,427,054 66,287,000
2017 11,375,158 65,964,000
2016 11,331,422 65,606,000
2015 11,274,196 65,087,000
2014 11,209,057 64,619,000
2013 11,159,407 64,138,000
2012 11,106,932 63,711,000
2011 11,038,264 63,258,810
2010 10,895,586 62,766,365
2009 10,796,493 62,276,270
2008 10,709,973 61,806,995
2007 10,625,700 61,322,463
2006 10,547,958 60,846,820
2005 10,478,617 60,401,206
2004 10,421,137 59,987,905
2003 10,376,133 59,647,577
2002 10,332,785 59,370,479
2001 10,286,570 59,119,673
2000 10,251,250 58,892,514
1999 10,226,419 58,682,466
1998 10,203,008 58,487,141
1997 10,181,245 58,316,954
1996 10,156,637 58,166,950
1995 10,136,811 58,019,030
1994 10,115,603 57,865,745
1993 10,084,475 57,718,614
1992 10,045,158 57,580,402
1991 10,004,486 57,424,897
1990 9,967,379 57,247,586
1989 9,937,697 57,076,711
1988 9,901,664 56,928,327
1987 9,870,234 56,802,050
1986 9,861,823 56,681,396
1985 9,858,308 56,550,268
1984 9,855,372 56,422,072
1983 9,855,520 56,332,848
1982 9,856,303 56,313,641
1981 9,858,982 56,333,829
1980 9,859,242 56,314,216
1979 9,848,382 56,246,951
1978 9,839,534 56,196,504
1977 9,830,358 56,193,492
1976 9,818,227 56,211,968
1975 9,800,700 56,225,800
1974 9,772,419 56,229,974
1973 9,741,720 56,194,527
1972 9,711,115 56,086,065
1971 9,673,162 55,896,223
1970 9,655,549 55,663,250
1969 9,646,032 55,441,750
1968 9,618,756 55,211,700
1967 9,580,991 54,943,600
1966 9,527,807 54,648,500
1965 9,463,667 54,348,050
1964 9,378,113 54,000,000
1963 9,289,770 53,650,000
1962 9,220,578 53,250,000
1961 9,183,948 52,800,000
1960 9,153,489 52,400,000

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/united-kingdom | CC BY

From 2006 to 2016, the population of Belgium increased by 783,464 people (a 7.43% growth), while the United Kingdom gained 4,759,180 people (a 7.82% growth).

For the next 10 years, from 2016 to 2026, Belgium gained 635,763 people (a 5.61% growth), while the United Kingdom's population increased by 4,465,289 people (a 6.81% growth).

Belgium was ranked 77th most populous country in 2006 and is 83rd in 2026. The United Kingdom was ranked 21st in 2006 and ranked 22nd 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 the United Kingdom will increase by 7.88% to 75,591,218 people and rank change from 22nd to 26th.

Belgium is projected to reach its peak in 2045 at 12.1M people compared to the peak of 76.2M people in 2073 for the United Kingdom.

Population growth rate by year

Belgium
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Growth rate
Belgium United Kingdom
2100 -0.16% -0.17%
2099 -0.16% -0.16%
2098 -0.14% -0.15%
2097 -0.14% -0.15%
2096 -0.14% -0.15%
2095 -0.15% -0.13%
2094 -0.14% -0.13%
2093 -0.14% -0.12%
2092 -0.13% -0.12%
2091 -0.13% -0.11%
2090 -0.13% -0.11%
2089 -0.13% -0.09%
2088 -0.14% -0.09%
2087 -0.13% -0.09%
2086 -0.12% -0.08%
2085 -0.12% -0.07%
2084 -0.12% -0.07%
2083 -0.13% -0.05%
2082 -0.11% -0.04%
2081 -0.12% -0.04%
2080 -0.11% -0.04%
2079 -0.12% -0.02%
2078 -0.11% -0.02%
2077 -0.1% -0.003%
2076 -0.1% -0.02%
2075 -0.11% -0.01%
2074 -0.11% -0.01%
2073 -0.11% 0.01%
2072 -0.12% 0.01%
2071 -0.14% 0.01%
2070 -0.14% 0.009%
2069 -0.15% 0.001%
2068 -0.15% 0.01%
2067 -0.16% 0.009%
2066 -0.17% 0.001%
2065 -0.18% 0.004%
2064 -0.19% -0%
2063 -0.19% 0.009%
2062 -0.2% 0.003%
2061 -0.18% -0.001%
2060 -0.18% -0.001%
2059 -0.17% 0.02%
2058 -0.19% 0.03%
2057 -0.18% 0.04%
2056 -0.17% 0.05%
2055 -0.16% 0.09%
2054 -0.15% 0.1%
2053 -0.14% 0.12%
2052 -0.11% 0.14%
2051 -0.09% 0.16%
2050 -0.08% 0.17%
2049 -0.06% 0.19%
2048 -0.04% 0.21%
2047 -0.03% 0.22%
2046 -0.01% 0.24%
2045 0.005% 0.25%
2044 0.01% 0.27%
2043 0.02% 0.27%
2042 0.03% 0.28%
2041 0.03% 0.28%
2040 0.04% 0.29%
2039 0.05% 0.3%
2038 0.06% 0.3%
2037 0.05% 0.32%
2036 0.05% 0.34%
2035 0.06% 0.35%
2034 0.07% 0.38%
2033 0.07% 0.38%
2032 0.07% 0.4%
2031 0.08% 0.44%
2030 0.1% 0.45%
2029 0.11% 0.48%
2028 0.11% 0.51%
2027 0.12% 0.52%
2026 0.15% 0.57%
2025 0.7% 0.3%
2024 0.67% 1.1%
2023 0.85% 1.32%
2022 0.81% 0.98%
2021 0.41% 0.36%
2020 0.43% 0.17%
2019 0.54% 0.51%
2018 0.46% 0.49%
2017 0.39% 0.55%
2016 0.51% 0.8%
2015 0.58% 0.72%
2014 0.44% 0.75%
2013 0.47% 0.67%
2012 0.62% 0.71%
2011 1.31% 0.78%
2010 0.92% 0.79%
2009 0.81% 0.76%
2008 0.79% 0.79%
2007 0.74% 0.78%
2006 0.66% 0.74%
2005 0.55% 0.69%
2004 0.43% 0.57%
2003 0.42% 0.47%
2002 0.45% 0.42%
2001 0.34% 0.39%
2000 0.24% 0.36%
1999 0.23% 0.33%
1998 0.21% 0.29%
1997 0.24% 0.26%
1996 0.2% 0.25%
1995 0.21% 0.26%
1994 0.31% 0.25%
1993 0.39% 0.24%
1992 0.41% 0.27%
1991 0.37% 0.31%
1990 0.3% 0.3%
1989 0.36% 0.26%
1988 0.32% 0.22%
1987 0.09% 0.21%
1986 0.04% 0.23%
1985 0.03% 0.23%
1984 -0.002% 0.16%
1983 -0.008% 0.03%
1982 -0.03% -0.04%
1981 -0.003% 0.03%
1980 0.11% 0.12%
1979 0.09% 0.09%
1978 0.09% 0.005%
1977 0.12% -0.03%
1976 0.18% -0.02%
1975 0.29% -0.007%
1974 0.32% 0.06%
1973 0.32% 0.19%
1972 0.39% 0.34%
1971 0.18% 0.42%
1970 0.1% 0.4%
1969 0.28% 0.42%
1968 0.39% 0.49%
1967 0.56% 0.54%
1966 0.68% 0.55%
1965 0.91% 0.64%
1964 0.95% 0.65%
1963 0.75% 0.75%
1962 0.4% 0.85%
1961 0.33% 0.76%

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/united-kingdom | CC BY

In 2025, the population of Belgium grew by 0.7%, while the United Kingdom's population grew by 0.3%.

Live population counters

Belgium United Kingdom
Current population
11967185
70071289
Population rank 83/197 22/197
Percent of world population 0.14% 0.84%
One net population change
6.34 minutes
2.56 minutes
One birth every
4.82 minutes
46 seconds
One death every
4.67 minutes
46.9 seconds
Daily growth/decline +228 +564
Annual growth/decline +83,171 +206,000
Annual growth/decline rate +0.7% +0.3%
Population growth rate rank 116/197 145/197
One migration net change every
16.5 minutes
1.35 minutes
Annual migration change +31,989 +389,911
Net migration rank 28/196 4/196
Foreign-born residents 2,349,032 11,845,479
Foreign-born residents rank 30/195 4/195
Foreign-born share of population 20% 17.1%
Foreign-born share rank 30/195 36/195

Natural population change vs migration

Belgium
Natural

Migration
United Kingdom
Natural

Migration
1x
Year Population change
Belgium United Kingdom
Natural Migration Natural Migration
2025 - 31,989 - 389,911
2024 -3,557 36,243 13,233 417,114
2023 0 41,679 34,606 445,523
2022 -2,336 118,615 39,770 487,029
2021 5,793 24,017 30,609 462,967
2020 -12,692 43,777 -4,272 144,221
2019 8,042 58,469 108,338 232,727
2018 7,999 50,604 119,317 259,744
2017 10,238 37,981 145,121 272,311
2016 14,731 28,090 177,136 324,649
2015 11,274 63,536 175,735 347,839
2014 21,297 37,472 206,781 306,091
2013 16,739 28,066 198,827 237,272
2012 18,882 45,001 248,473 172,088
2011 25,388 52,464 259,361 228,773
2010 23,970 105,232 251,066 274,811
2009 23,752 97,175 230,422 249,639
2008 22,491 66,470 216,325 263,390
2007 23,376 59,911 196,232 309,385
2006 21,096 53,574 176,455 288,923
2005 15,718 50,576 144,963 308,279
2004 16,673 35,143 131,974 276,077
2003 7,263 34,472 89,471 211,846
2002 7,233 39,404 65,308 203,577
2001 11,315 34,924 65,032 175,133
2000 12,302 13,952 70,671 153,917
1999 9,203 16,849 64,551 152,653
1998 9,183 12,517 87,730 125,541
1997 12,218 10,262 99,138 59,723
1996 12,188 15,684 98,884 54,964
1995 11,150 1,937 87,028 61,385
1994 12,139 17,636 127,304 45,339
1993 14,118 18,542 103,893 27,403
1992 20,090 25,941 149,709 17,846
1991 22,010 27,038 143,562 27,601
1990 19,935 8,299 154,569 57,132
1989 13,912 7,301 119,861 49,586
1988 14,853 3,929 136,628 13,952
1987 11,844 3,525 136,325 8,266
1986 5,917 2,964 90,690 41,836
1985 2,958 2,165 79,170 83,164
1984 4,927 1,697 84,633 71,107
1983 2,956 1,252 61,966 27,063
1982 7,885 1,100 56,314 -61,152
1981 11,831 2,826 73,234 -83,876
1980 10,845 11,482 95,734 -25,187
1979 11,818 11,277 61,872 11,255
1978 7,872 10,828 16,859 3,783
1977 8,847 10,460 0 -21,636
1976 1,964 10,360 -5,621 -19,135
1975 0 9,652 33,735 -40,241
1974 7,818 8,924 67,476 -65,710
1973 11,690 8,684 112,389 -33,840
1972 18,451 8,384 162,650 -1,406
1971 21,281 7,992 257,123 1,175
1970 23,173 19,393 244,918 -15,254
1969 21,221 20,072 260,577 -60,655
1968 20,199 19,809 292,622 -38,852
1967 31,618 19,492 346,145 -39,659
1966 36,206 18,985 333,356 -27,935
1965 39,748 18,243 364,132 -24,955
1964 51,580 17,687 405,000 -23,885
1963 41,804 16,355 337,995 8,271
1962 42,414 14,829 340,800 76,443
1961 52,349 10,566 311,519 52,295
1960 40,275 9,893 314,400 19,953

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

GeoRank.org/population/belgium/united-kingdom | 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 the United Kingdom 19.8% is from natural causes (a gain of 839,593 people) and 80.2% is from migration (a gain of 3,394,124 people).

As of 2024, 2,349,032 residents or 20% of the population were not native-born in Belgium, compared to 11,845,479 people or 17.1% in the United Kingdom.

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
United Kingdom
City Population
London 8.8M
Birmingham 1.14M
Glasgow 626K
Manchester 548K
Leeds 536K
Sheffield 518K
Liverpool 513K
Edinburgh 488K
Bristol 472K
Cardiff 384K

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/united-kingdom | 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. Wikidata (2026, retrieved 2026-07-08)
  5. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)

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