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

Updated on by Georank

The latest officially reported population of Belgium was 11,941,781 in 2025 vs 12,025 people in Nauru in 2025. In 2026, based on the adjusted UN estimation, the current Belgium's population is 11,967,185 people compared to 12,139 in Nauru.

Population statistics:

  • Belgium's population is 986 times bigger than Nauru's.
  • Belgium is ranked the 83rd most populous country in the world, while Nauru is the 195th.
  • The countries together account for 0.14% of the world: 0.14% for Belgium vs 0.0001% for Nauru.
  • For the last 10 years, Belgium has had an average growth rate of +0.58% per year vs +1.03% in Nauru.
  • Since 2006, the population of Belgium has increased from 10.5M people to 12M (13.5% growth), while Nauru has grown from 10K to 12.1K (21% growth).

Belgium vs Nauru: population by year and forecast

Belgium
Factual

Projection
Nauru
Factual

Projection
1x
Year Population
Belgium Nauru
2100 11,250,862 20,708
2099 11,269,247 20,677
2098 11,287,433 20,636
2097 11,303,694 20,596
2096 11,319,229 20,561
2095 11,335,187 20,526
2094 11,351,692 20,479
2093 11,367,258 20,423
2092 11,383,419 20,377
2091 11,397,881 20,332
2090 11,412,370 20,276
2089 11,426,889 20,210
2088 11,442,238 20,143
2087 11,457,739 20,087
2086 11,472,102 20,019
2085 11,485,745 19,950
2084 11,499,703 19,872
2083 11,513,055 19,787
2082 11,527,480 19,700
2081 11,539,632 19,603
2080 11,553,646 19,517
2079 11,566,656 19,411
2078 11,580,982 19,304
2077 11,593,809 19,198
2076 11,605,311 19,089
2075 11,617,264 18,978
2074 11,630,340 18,866
2073 11,643,635 18,750
2072 11,656,916 18,630
2071 11,670,459 18,527
2070 11,686,541 18,388
2069 11,702,841 18,281
2068 11,720,297 18,160
2067 11,737,631 18,017
2066 11,756,233 17,896
2065 11,776,031 17,769
2064 11,796,981 17,641
2063 11,818,873 17,516
2062 11,841,060 17,394
2061 11,864,790 17,260
2060 11,886,277 17,129
2059 11,907,924 17,006
2058 11,928,140 16,874
2057 11,951,275 16,745
2056 11,972,819 16,605
2055 11,992,614 16,465
2054 12,011,260 16,328
2053 12,029,602 16,186
2052 12,045,984 16,042
2051 12,059,458 15,881
2050 12,070,180 15,731
2049 12,079,277 15,565
2048 12,086,376 15,405
2047 12,091,336 15,234
2046 12,094,512 15,058
2045 12,096,264 14,888
2044 12,095,660 14,712
2043 12,094,445 14,539
2042 12,092,240 14,357
2041 12,088,320 14,174
2040 12,084,611 13,990
2039 12,080,011 13,821
2038 12,074,019 13,666
2037 12,067,048 13,507
2036 12,060,663 13,358
2035 12,054,093 13,190
2034 12,047,026 13,035
2033 12,038,587 12,888
2032 12,030,514 12,753
2031 12,022,079 12,619
2030 12,012,501 12,499
2029 12,000,773 12,381
2028 11,988,034 12,286
2027 11,974,384 12,177
2026 11,959,583 12,100
2025 11,941,781 12,025
2024 11,858,610 11,947
2023 11,779,946 11,875
2022 11,680,210 11,801
2021 11,586,195 11,709
2020 11,538,604 11,643
2019 11,488,980 11,587
2018 11,427,054 11,477
2017 11,375,158 11,324
2016 11,331,422 11,150
2015 11,274,196 10,954
2014 11,209,057 10,742
2013 11,159,407 10,517
2012 11,106,932 10,267
2011 11,038,264 10,098
2010 10,895,586 10,043
2009 10,796,493 10,016
2008 10,709,973 10,009
2007 10,625,700 10,020
2006 10,547,958 10,034
2005 10,478,617 10,049
2004 10,421,137 10,060
2003 10,376,133 10,059
2002 10,332,785 10,082
2001 10,286,570 10,130
2000 10,251,250 10,168
1999 10,226,419 10,187
1998 10,203,008 10,198
1997 10,181,245 10,197
1996 10,156,637 10,183
1995 10,136,811 10,165
1994 10,115,603 10,137
1993 10,084,475 10,102
1992 10,045,158 10,021
1991 10,004,486 9,850
1990 9,967,379 9,622
1989 9,937,697 9,390
1988 9,901,664 9,165
1987 9,870,234 8,946
1986 9,861,823 8,742
1985 9,858,308 8,551
1984 9,855,372 8,377
1983 9,855,520 8,216
1982 9,856,303 8,040
1981 9,858,982 7,839
1980 9,859,242 7,649
1979 9,848,382 7,468
1978 9,839,534 7,298
1977 9,830,358 7,163
1976 9,818,227 7,064
1975 9,800,700 6,987
1974 9,772,419 6,923
1973 9,741,720 6,866
1972 9,711,115 6,812
1971 9,673,162 6,762
1970 9,655,549 6,710
1969 9,646,032 6,581
1968 9,618,756 6,328
1967 9,580,991 6,135
1966 9,527,807 6,043
1965 9,463,667 5,832
1964 9,378,113 5,515
1963 9,289,770 5,226
1962 9,220,578 4,979
1961 9,183,948 4,774
1960 9,153,489 4,607

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/nauru | CC BY

From 2006 to 2016, the population of Belgium increased by 783,464 people (a 7.43% growth), while Nauru gained 1,116 people (a 11.1% growth).

For the next 10 years, from 2016 to 2026, Belgium gained 635,763 people (a 5.61% growth), while Nauru's population increased by 989 people (a 8.87% growth).

Belgium was ranked 77th most populous country in 2006 and is 83rd in 2026. Nauru was ranked 196th in 2006 and ranked 195th 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 Nauru will increase by 29.6% to 15,731 people and rank change from 195th to 194th.

Belgium is projected to reach its peak in 2045 at 12.1M people compared to the peak of 20.7K people in 2100 for Nauru.

Population growth rate by year

Belgium
Factual

Projection
Nauru
Factual

Projection
1x
Year Growth rate
Belgium Nauru
2100 -0.16% 0.15%
2099 -0.16% 0.2%
2098 -0.14% 0.19%
2097 -0.14% 0.17%
2096 -0.14% 0.17%
2095 -0.15% 0.23%
2094 -0.14% 0.27%
2093 -0.14% 0.23%
2092 -0.13% 0.22%
2091 -0.13% 0.28%
2090 -0.13% 0.33%
2089 -0.13% 0.33%
2088 -0.14% 0.28%
2087 -0.13% 0.34%
2086 -0.12% 0.35%
2085 -0.12% 0.39%
2084 -0.12% 0.43%
2083 -0.13% 0.44%
2082 -0.11% 0.5%
2081 -0.12% 0.44%
2080 -0.11% 0.54%
2079 -0.12% 0.56%
2078 -0.11% 0.55%
2077 -0.1% 0.57%
2076 -0.1% 0.59%
2075 -0.11% 0.6%
2074 -0.11% 0.62%
2073 -0.11% 0.65%
2072 -0.12% 0.56%
2071 -0.14% 0.75%
2070 -0.14% 0.59%
2069 -0.15% 0.66%
2068 -0.15% 0.8%
2067 -0.16% 0.68%
2066 -0.17% 0.71%
2065 -0.18% 0.73%
2064 -0.19% 0.71%
2063 -0.19% 0.7%
2062 -0.2% 0.78%
2061 -0.18% 0.76%
2060 -0.18% 0.73%
2059 -0.17% 0.78%
2058 -0.19% 0.77%
2057 -0.18% 0.85%
2056 -0.17% 0.85%
2055 -0.16% 0.84%
2054 -0.15% 0.87%
2053 -0.14% 0.9%
2052 -0.11% 1.01%
2051 -0.09% 0.96%
2050 -0.08% 1.06%
2049 -0.06% 1.04%
2048 -0.04% 1.12%
2047 -0.03% 1.17%
2046 -0.01% 1.14%
2045 0.005% 1.2%
2044 0.01% 1.19%
2043 0.02% 1.27%
2042 0.03% 1.29%
2041 0.03% 1.32%
2040 0.04% 1.22%
2039 0.05% 1.14%
2038 0.06% 1.17%
2037 0.05% 1.12%
2036 0.05% 1.27%
2035 0.06% 1.19%
2034 0.07% 1.14%
2033 0.07% 1.06%
2032 0.07% 1.06%
2031 0.08% 0.96%
2030 0.1% 0.96%
2029 0.11% 0.77%
2028 0.11% 0.9%
2027 0.12% 0.64%
2026 0.15% 0.63%
2025 0.7% 0.65%
2024 0.67% 0.61%
2023 0.85% 0.63%
2022 0.81% 0.79%
2021 0.41% 0.57%
2020 0.43% 0.48%
2019 0.54% 0.96%
2018 0.46% 1.35%
2017 0.39% 1.56%
2016 0.51% 1.79%
2015 0.58% 1.97%
2014 0.44% 2.14%
2013 0.47% 2.43%
2012 0.62% 1.67%
2011 1.31% 0.55%
2010 0.92% 0.27%
2009 0.81% 0.07%
2008 0.79% -0.11%
2007 0.74% -0.14%
2006 0.66% -0.15%
2005 0.55% -0.11%
2004 0.43% 0.01%
2003 0.42% -0.23%
2002 0.45% -0.47%
2001 0.34% -0.37%
2000 0.24% -0.19%
1999 0.23% -0.11%
1998 0.21% 0.01%
1997 0.24% 0.14%
1996 0.2% 0.18%
1995 0.21% 0.28%
1994 0.31% 0.35%
1993 0.39% 0.81%
1992 0.41% 1.74%
1991 0.37% 2.37%
1990 0.3% 2.47%
1989 0.36% 2.45%
1988 0.32% 2.45%
1987 0.09% 2.33%
1986 0.04% 2.23%
1985 0.03% 2.08%
1984 -0.002% 1.96%
1983 -0.008% 2.19%
1982 -0.03% 2.56%
1981 -0.003% 2.48%
1980 0.11% 2.42%
1979 0.09% 2.33%
1978 0.09% 1.88%
1977 0.12% 1.4%
1976 0.18% 1.1%
1975 0.29% 0.92%
1974 0.32% 0.83%
1973 0.32% 0.79%
1972 0.39% 0.74%
1971 0.18% 0.77%
1970 0.1% 1.96%
1969 0.28% 4%
1968 0.39% 3.15%
1967 0.56% 1.52%
1966 0.68% 3.62%
1965 0.91% 5.75%
1964 0.95% 5.53%
1963 0.75% 4.96%
1962 0.4% 4.29%
1961 0.33% 3.62%

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/nauru | CC BY

In 2025, the population of Belgium grew by 0.7%, while Nauru's population grew by 0.65%.

Live population counters

Belgium Nauru
Current population
11967185
12139
Population rank 83/197 195/197
Percent of world population 0.14% 0.0001%
One net population change
6.34 minutes
4.69 days
One birth every
4.82 minutes
1.25 days
One death every
4.67 minutes
4.06 days
Daily growth/decline +228 +0
Annual growth/decline +83,171 +78
Annual growth/decline rate +0.7% +0.65%
Population growth rate rank 116/197 119/197
One migration net change every
16.5 minutes
3 days
Annual migration change +31,989 -122
Net migration rank 28/196 82/196
Foreign-born residents 2,349,032 2,548
Foreign-born residents rank 30/195 191/195
Foreign-born share of population 20% 21.3%
Foreign-born share rank 30/195 29/195

Natural population change vs migration

Belgium
Natural

Migration
Nauru
Natural

Migration
1x
Year Population change
Belgium Nauru
Natural Migration Natural Migration
2025 - 31,989 - -122
2024 -3,557 36,243 203 -121
2023 0 41,679 213 -148
2022 -2,336 118,615 226 -144
2021 5,793 24,017 236 -137
2020 -12,692 43,777 246 -214
2019 8,042 58,469 255 -171
2018 7,999 50,604 265 -131
2017 10,238 37,981 279 -115
2016 14,731 28,090 289 -105
2015 11,274 63,536 291 -86
2014 21,297 37,472 290 -69
2013 16,739 28,066 291 -53
2012 18,882 45,001 292 -38
2011 25,388 52,464 291 -206
2010 23,970 105,232 281 -246
2009 23,752 97,175 261 -249
2008 22,491 66,470 240 -243
2007 23,376 59,911 222 -235
2006 21,096 53,574 209 -224
2005 15,718 50,576 204 -217
2004 16,673 35,143 202 -210
2003 7,263 34,472 201 -199
2002 7,233 39,404 200 -247
2001 11,315 34,924 203 -252
2000 12,302 13,952 207 -236
1999 9,203 16,849 212 -227
1998 9,183 12,517 214 -217
1997 12,218 10,262 218 -209
1996 12,188 15,684 221 -204
1995 11,150 1,937 225 -201
1994 12,139 17,636 229 -196
1993 14,118 18,542 235 -194
1992 20,090 25,941 237 -121
1991 22,010 27,038 225 0
1990 19,935 8,299 214 20
1989 13,912 7,301 204 24
1988 14,853 3,929 195 29
1987 11,844 3,525 186 27
1986 5,917 2,964 178 21
1985 2,958 2,165 171 8
1984 4,927 1,697 166 -2
1983 2,956 1,252 163 -5
1982 7,885 1,100 162 30
1981 11,831 2,826 157 44
1980 10,845 11,482 145 44
1979 11,818 11,277 130 48
1978 7,872 10,828 111 40
1977 8,847 10,460 89 32
1976 1,964 10,360 79 0
1975 0 9,652 70 0
1974 7,818 8,924 63 0
1973 11,690 8,684 57 0
1972 18,451 8,384 53 0
1971 21,281 7,992 50 0
1970 23,173 19,393 49 0
1969 21,221 20,072 71 132
1968 20,199 19,809 116 180
1967 31,618 19,492 117 -28
1966 36,206 18,985 123 -32
1965 39,748 18,243 113 218
1964 51,580 17,687 100 203
1963 41,804 16,355 88 181
1962 42,414 14,829 75 158
1961 52,349 10,566 70 120
1960 40,275 9,893 72 76

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

GeoRank.org/population/belgium/nauru | 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 Nauru 64.6% is from natural causes (a gain of 2,503 people) and 35.4% is from migration (a loss of 1,372 people).

As of 2024, 2,349,032 residents or 20% of the population were not native-born in Belgium, compared to 2,548 people or 21.3% in Nauru.

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
Nauru
City Population
Yaren 747

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/nauru | 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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