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

Updated on by Georank

The latest officially reported population of Belgium was 11,941,781 in 2025 vs 19,020,271 people in Romania in 2025. In 2026, based on the adjusted UN estimation, the current Belgium's population is 11,967,185 people compared to 18,912,567 in Romania.

Population statistics:

  • Romania's population is 1.58 times bigger than Belgium's.
  • Belgium is ranked the 83rd most populous country in the world, while Romania is the 70th.
  • The countries together account for 0.37% of the world: 0.14% for Belgium vs 0.23% for Romania.
  • For the last 10 years, Belgium has had an average growth rate of +0.58% per year vs -0.41% in Romania.
  • Since 2006, the population of Belgium has increased from 10.5M people to 12M (13.5% growth), while Romania has declined from 21.2M to 18.9M (10.8% decline).

Belgium vs Romania: population by year and forecast

Belgium
Factual

Projection
Romania
Factual

Projection
1x
Year Population
Belgium Romania
2100 11,250,862 10,843,503
2099 11,269,247 10,927,951
2098 11,287,433 11,011,822
2097 11,303,694 11,095,182
2096 11,319,229 11,178,195
2095 11,335,187 11,261,202
2094 11,351,692 11,343,358
2093 11,367,258 11,426,736
2092 11,383,419 11,509,522
2091 11,397,881 11,591,897
2090 11,412,370 11,675,686
2089 11,426,889 11,759,143
2088 11,442,238 11,842,733
2087 11,457,739 11,926,699
2086 11,472,102 12,013,212
2085 11,485,745 12,099,742
2084 11,499,703 12,187,794
2083 11,513,055 12,277,402
2082 11,527,480 12,367,518
2081 11,539,632 12,460,785
2080 11,553,646 12,556,104
2079 11,566,656 12,652,446
2078 11,580,982 12,750,395
2077 11,593,809 12,849,896
2076 11,605,311 12,950,914
2075 11,617,264 13,053,551
2074 11,630,340 13,158,624
2073 11,643,635 13,264,931
2072 11,656,916 13,375,162
2071 11,670,459 13,488,051
2070 11,686,541 13,603,287
2069 11,702,841 13,721,187
2068 11,720,297 13,840,530
2067 11,737,631 13,963,377
2066 11,756,233 14,088,938
2065 11,776,031 14,218,608
2064 11,796,981 14,349,029
2063 11,818,873 14,480,312
2062 11,841,060 14,613,788
2061 11,864,790 14,747,178
2060 11,886,277 14,879,235
2059 11,907,924 15,011,161
2058 11,928,140 15,141,670
2057 11,951,275 15,271,230
2056 11,972,819 15,400,030
2055 11,992,614 15,527,331
2054 12,011,260 15,651,338
2053 12,029,602 15,773,422
2052 12,045,984 15,896,118
2051 12,059,458 16,016,719
2050 12,070,180 16,135,745
2049 12,079,277 16,255,638
2048 12,086,376 16,375,139
2047 12,091,336 16,494,633
2046 12,094,512 16,612,186
2045 12,096,264 16,730,009
2044 12,095,660 16,848,827
2043 12,094,445 16,966,857
2042 12,092,240 17,084,359
2041 12,088,320 17,203,640
2040 12,084,611 17,320,952
2039 12,080,011 17,438,042
2038 12,074,019 17,556,386
2037 12,067,048 17,673,500
2036 12,060,663 17,790,613
2035 12,054,093 17,906,949
2034 12,047,026 18,020,973
2033 12,038,587 18,134,889
2032 12,030,514 18,247,275
2031 12,022,079 18,359,750
2030 12,012,501 18,471,446
2029 12,000,773 18,583,513
2028 11,988,034 18,693,807
2027 11,974,384 18,803,518
2026 11,959,583 18,912,567
2025 11,941,781 19,020,271
2024 11,858,610 19,051,804
2023 11,779,946 19,061,062
2022 11,680,210 19,048,502
2021 11,586,195 19,122,059
2020 11,538,604 19,265,250
2019 11,488,980 19,371,648
2018 11,427,054 19,473,970
2017 11,375,158 19,588,715
2016 11,331,422 19,702,267
2015 11,274,196 19,815,616
2014 11,209,057 19,908,979
2013 11,159,407 19,983,693
2012 11,106,932 20,058,035
2011 11,038,264 20,147,528
2010 10,895,586 20,246,871
2009 10,796,493 20,367,487
2008 10,709,973 20,537,875
2007 10,625,700 20,882,982
2006 10,547,958 21,193,760
2005 10,478,617 21,319,685
2004 10,421,137 21,451,748
2003 10,376,133 21,574,326
2002 10,332,785 21,730,496
2001 10,286,570 22,131,970
2000 10,251,250 22,442,971
1999 10,226,419 22,472,040
1998 10,203,008 22,507,344
1997 10,181,245 22,553,978
1996 10,156,637 22,619,004
1995 10,136,811 22,684,270
1994 10,115,603 22,730,211
1993 10,084,475 22,763,280
1992 10,045,158 22,794,284
1991 10,004,486 23,001,155
1990 9,967,379 23,201,835
1989 9,937,697 23,161,458
1988 9,901,664 23,057,662
1987 9,870,234 22,949,430
1986 9,861,823 22,836,841
1985 9,858,308 22,732,999
1984 9,855,372 22,640,547
1983 9,855,520 22,560,478
1982 9,856,303 22,475,741
1981 9,858,982 22,353,070
1980 9,859,242 22,207,282
1979 9,848,382 22,090,488
1978 9,839,534 21,951,464
1977 9,830,358 21,756,096
1976 9,818,227 21,551,634
1975 9,800,700 21,293,583
1974 9,772,419 21,029,429
1973 9,741,720 20,835,681
1972 9,711,115 20,657,957
1971 9,673,162 20,461,567
1970 9,655,549 20,250,398
1969 9,646,032 20,009,141
1968 9,618,756 19,799,831
1967 9,580,991 19,534,242
1966 9,527,807 19,215,450
1965 9,463,667 19,031,576
1964 9,378,113 18,919,126
1963 9,289,770 18,797,850
1962 9,220,578 18,676,550
1961 9,183,948 18,555,250
1960 9,153,489 18,406,905

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/romania | CC BY

From 2006 to 2016, the population of Belgium increased by 783,464 people (a 7.43% growth), while Romania lost 1,491,493 people (a 7.04% decline).

For the next 10 years, from 2016 to 2026, Belgium gained 635,763 people (a 5.61% growth), while Romania's population decreased by 789,700 people (a 4.01% decline).

Belgium was ranked 77th most populous country in 2006 and is 83rd in 2026. Romania was ranked 51st in 2006 and ranked 70th 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 Romania will decrease by 14.7% to 16,135,745 people and rank change from 70th to 81st.

Belgium is projected to reach its peak in 2045 at 12.1M people, while Romania's population already peaked in 1990 at 23.2M people and is projected to decrease to 10.8M people by 2100.

Population growth rate by year

Belgium
Factual

Projection
Romania
Factual

Projection
1x
Year Growth rate
Belgium Romania
2100 -0.16% -0.77%
2099 -0.16% -0.76%
2098 -0.14% -0.75%
2097 -0.14% -0.74%
2096 -0.14% -0.74%
2095 -0.15% -0.72%
2094 -0.14% -0.73%
2093 -0.14% -0.72%
2092 -0.13% -0.71%
2091 -0.13% -0.72%
2090 -0.13% -0.71%
2089 -0.13% -0.71%
2088 -0.14% -0.7%
2087 -0.13% -0.72%
2086 -0.12% -0.72%
2085 -0.12% -0.72%
2084 -0.12% -0.73%
2083 -0.13% -0.73%
2082 -0.11% -0.75%
2081 -0.12% -0.76%
2080 -0.11% -0.76%
2079 -0.12% -0.77%
2078 -0.11% -0.77%
2077 -0.1% -0.78%
2076 -0.1% -0.79%
2075 -0.11% -0.8%
2074 -0.11% -0.8%
2073 -0.11% -0.82%
2072 -0.12% -0.84%
2071 -0.14% -0.85%
2070 -0.14% -0.86%
2069 -0.15% -0.86%
2068 -0.15% -0.88%
2067 -0.16% -0.89%
2066 -0.17% -0.91%
2065 -0.18% -0.91%
2064 -0.19% -0.91%
2063 -0.19% -0.91%
2062 -0.2% -0.9%
2061 -0.18% -0.89%
2060 -0.18% -0.88%
2059 -0.17% -0.86%
2058 -0.19% -0.85%
2057 -0.18% -0.84%
2056 -0.17% -0.82%
2055 -0.16% -0.79%
2054 -0.15% -0.77%
2053 -0.14% -0.77%
2052 -0.11% -0.75%
2051 -0.09% -0.74%
2050 -0.08% -0.74%
2049 -0.06% -0.73%
2048 -0.04% -0.72%
2047 -0.03% -0.71%
2046 -0.01% -0.7%
2045 0.005% -0.71%
2044 0.01% -0.7%
2043 0.02% -0.69%
2042 0.03% -0.69%
2041 0.03% -0.68%
2040 0.04% -0.67%
2039 0.05% -0.67%
2038 0.06% -0.66%
2037 0.05% -0.66%
2036 0.05% -0.65%
2035 0.06% -0.63%
2034 0.07% -0.63%
2033 0.07% -0.62%
2032 0.07% -0.61%
2031 0.08% -0.6%
2030 0.1% -0.6%
2029 0.11% -0.59%
2028 0.11% -0.58%
2027 0.12% -0.58%
2026 0.15% -0.57%
2025 0.7% -0.17%
2024 0.67% -0.05%
2023 0.85% 0.07%
2022 0.81% -0.38%
2021 0.41% -0.74%
2020 0.43% -0.55%
2019 0.54% -0.53%
2018 0.46% -0.59%
2017 0.39% -0.58%
2016 0.51% -0.57%
2015 0.58% -0.47%
2014 0.44% -0.37%
2013 0.47% -0.37%
2012 0.62% -0.44%
2011 1.31% -0.49%
2010 0.92% -0.59%
2009 0.81% -0.83%
2008 0.79% -1.65%
2007 0.74% -1.47%
2006 0.66% -0.59%
2005 0.55% -0.62%
2004 0.43% -0.57%
2003 0.42% -0.72%
2002 0.45% -1.81%
2001 0.34% -1.39%
2000 0.24% -0.13%
1999 0.23% -0.16%
1998 0.21% -0.21%
1997 0.24% -0.29%
1996 0.2% -0.29%
1995 0.21% -0.2%
1994 0.31% -0.15%
1993 0.39% -0.14%
1992 0.41% -0.9%
1991 0.37% -0.86%
1990 0.3% 0.17%
1989 0.36% 0.45%
1988 0.32% 0.47%
1987 0.09% 0.49%
1986 0.04% 0.46%
1985 0.03% 0.41%
1984 -0.002% 0.35%
1983 -0.008% 0.38%
1982 -0.03% 0.55%
1981 -0.003% 0.66%
1980 0.11% 0.53%
1979 0.09% 0.63%
1978 0.09% 0.9%
1977 0.12% 0.95%
1976 0.18% 1.21%
1975 0.29% 1.26%
1974 0.32% 0.93%
1973 0.32% 0.86%
1972 0.39% 0.96%
1971 0.18% 1.04%
1970 0.1% 1.21%
1969 0.28% 1.06%
1968 0.39% 1.36%
1967 0.56% 1.66%
1966 0.68% 0.97%
1965 0.91% 0.59%
1964 0.95% 0.65%
1963 0.75% 0.65%
1962 0.4% 0.65%
1961 0.33% 0.81%

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/romania | CC BY

In 2025, the population of Belgium grew by 0.7%, while Romania's population declined by 0.17%.

Live population counters

Belgium Romania
Current population
11967185
18912567
Population rank 83/197 70/197
Percent of world population 0.14% 0.23%
One net population change
6.34 minutes
16.7 minutes
One birth every
4.82 minutes
3.68 minutes
One death every
4.67 minutes
2.16 minutes
Daily growth/decline +228 -86
Annual growth/decline +83,171 -31,533
Annual growth/decline rate +0.7% -0.17%
Population growth rate rank 116/197 172/197
One migration net change every
16.5 minutes
18.1 minutes
Annual migration change +31,989 -29,041
Net migration rank 28/196 163/196
Foreign-born residents 2,349,032 655,579
Foreign-born residents rank 30/195 73/195
Foreign-born share of population 20% 3.4%
Foreign-born share rank 30/195 112/195

Natural population change vs migration

Belgium
Natural

Migration
Romania
Natural

Migration
1x
Year Population change
Belgium Romania
Natural Migration Natural Migration
2025 - 31,989 - -29,041
2024 -3,557 36,243 -100,975 -28,466
2023 0 41,679 -83,869 -27,780
2022 -2,336 118,615 -93,338 89,076
2021 5,793 24,017 -141,504 -17,731
2020 -12,692 43,777 -100,179 -13,202
2019 8,042 58,469 -60,053 -27,909
2018 7,999 50,604 -62,316 -33,018
2017 10,238 37,981 -50,930 -33,081
2016 14,731 28,090 -53,196 -33,073
2015 11,274 63,536 -59,447 -35,751
2014 21,297 37,472 -55,745 -35,448
2013 16,739 28,066 -59,951 -34,910
2012 18,882 45,001 -54,157 -37,589
2011 25,388 52,464 -56,413 -102,769
2010 23,970 105,232 -46,567 -122,364
2009 23,752 97,175 -34,625 -137,953
2008 22,491 66,470 -30,806 -144,368
2007 23,376 59,911 -37,590 -133,089
2006 21,096 53,574 -38,148 -132,777
2005 15,718 50,576 -40,508 -131,176
2004 16,673 35,143 -42,904 -117,432
2003 7,263 34,472 -56,093 -107,139
2002 7,233 39,404 -58,673 -106,585
2001 11,315 34,924 -37,625 -91,154
2000 12,302 13,952 -22,443 -92,451
1999 9,203 16,849 -31,461 -82,590
1998 9,183 12,517 -33,761 -81,366
1997 12,218 10,262 -42,853 -88,734
1996 12,188 15,684 -56,548 -70,799
1995 11,150 1,937 -36,295 -73,779
1994 12,139 17,636 -18,184 -76,246
1993 14,118 18,542 -13,658 -73,475
1992 20,090 25,941 -4,559 -63,200
1991 22,010 27,038 25,301 -36,824
1990 19,935 8,299 69,605 -38,157
1989 13,912 7,301 122,756 -33,866
1988 14,853 3,929 126,817 -48,911
1987 11,844 3,525 128,517 -42,868
1986 5,917 2,964 134,737 -50,450
1985 2,958 2,165 111,392 -28,108
1984 4,927 1,697 117,731 -24,629
1983 2,956 1,252 87,986 3,093
1982 7,885 1,100 119,121 -4,725
1981 11,831 2,826 156,472 -20,870
1980 10,845 11,482 168,776 -16,668
1979 11,818 11,277 194,397 -29,600
1978 7,872 10,828 204,148 -31,427
1977 8,847 10,460 215,385 -28,135
1976 1,964 10,360 213,361 18,748
1975 0 9,652 219,324 9,125
1974 7,818 8,924 235,530 6,725
1973 11,690 8,684 175,020 58,651
1972 18,451 8,384 198,316 61,920
1971 21,281 7,992 206,662 74,473
1970 23,173 19,393 234,905 71,919
1969 21,221 20,072 264,120 74,851
1968 20,199 19,809 338,577 33,601
1967 31,618 19,492 347,709 37,282
1966 36,206 18,985 115,293 -25,458
1965 39,748 18,243 114,190 -60,430
1964 51,580 17,687 134,326 -59,500
1963 41,804 16,355 139,104 -58,076
1962 42,414 14,829 130,736 -56,152
1961 52,349 10,566 163,286 -54,642
1960 40,275 9,893 191,431 -55,397

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

GeoRank.org/population/belgium/romania | 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 Romania 83.4% is from natural causes (a loss of 805,807 people) and 16.6% is from migration (a loss of 160,935 people).

As of 2024, 2,349,032 residents or 20% of the population were not native-born in Belgium, compared to 655,579 people or 3.4% in Romania.

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
Romania
City Population
Bucharest 1.72M
Cluj-Napoca 287K
Iasi 272K
Constanta 264K
Timisoara 251K
Brasov 238K
Craiova 234K
Galati 218K
Oradea 183K
Ploiesti 181K

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/romania | 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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