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

Updated on by Georank team

The latest officially reported population of Nauru was 11,947 in 2024 vs 19,051,804 people in Romania in 2024. In 2026, based on the adjusted UN estimation, the current Nauru's population is 12,125 people compared to 18,839,108 in Romania.

Population statistics:

  • Romania's population is 1,554 times bigger than Nauru's.
  • Nauru is ranked the 195th most populous country in the world, while Romania is the 70th.
  • The countries together account for 0.23% of the world: 0.0001% for Nauru vs 0.23% for Romania.
  • For the last 10 years, Nauru has had an average growth rate of +1.17% per year vs -0.43% in Romania.
  • Since 2006, the population of Nauru has increased from 10K people to 12.1K (20.8% growth), while Romania has declined from 21.2M to 18.8M (11.1% decline).

Nauru vs Romania: population by year and forecast

Nauru
Factual

Projection
Romania
Factual

Projection
1x
Year Population
Nauru Romania
2100 20,717 10,801,385
2099 20,686 10,885,505
2098 20,645 10,969,050
2097 20,605 11,052,086
2096 20,570 11,134,776
2095 20,535 11,217,462
2094 20,488 11,299,298
2093 20,432 11,382,352
2092 20,386 11,464,817
2091 20,341 11,546,872
2090 20,285 11,630,335
2089 20,219 11,713,468
2088 20,152 11,796,733
2087 20,096 11,880,373
2086 20,028 11,966,550
2085 19,959 12,052,744
2084 19,880 12,140,454
2083 19,796 12,229,714
2082 19,709 12,319,480
2081 19,611 12,412,385
2080 19,525 12,507,333
2079 19,420 12,603,302
2078 19,312 12,700,870
2077 19,206 12,799,985
2076 19,098 12,900,610
2075 18,986 13,002,848
2074 18,874 13,107,513
2073 18,758 13,213,407
2072 18,638 13,323,211
2071 18,535 13,435,661
2070 18,396 13,550,449
2069 18,289 13,667,892
2068 18,168 13,786,771
2067 18,025 13,909,141
2066 17,903 14,034,214
2065 17,777 14,163,381
2064 17,649 14,293,294
2063 17,524 14,424,068
2062 17,402 14,557,025
2061 17,267 14,689,897
2060 17,137 14,821,441
2059 17,013 14,952,855
2058 16,882 15,082,857
2057 16,752 15,211,914
2056 16,612 15,340,213
2055 16,472 15,467,019
2054 16,335 15,590,545
2053 16,193 15,712,155
2052 16,049 15,834,374
2051 15,888 15,954,507
2050 15,738 16,073,070
2049 15,572 16,192,498
2048 15,412 16,311,535
2047 15,241 16,430,565
2046 15,064 16,547,661
2045 14,895 16,665,026
2044 14,718 16,783,383
2043 14,546 16,900,955
2042 14,363 17,018,000
2041 14,180 17,136,818
2040 13,996 17,253,674
2039 13,827 17,370,310
2038 13,672 17,488,193
2037 13,513 17,604,853
2036 13,363 17,721,511
2035 13,196 17,837,396
2034 13,040 17,950,976
2033 12,894 18,064,449
2032 12,758 18,176,399
2031 12,625 18,288,437
2030 12,504 18,399,699
2029 12,386 18,511,331
2028 12,292 18,621,197
2027 12,182 18,730,482
2026 12,105 18,839,108
2025 12,030 18,946,392
2024 11,947 19,051,804
2023 11,875 19,061,062
2022 11,801 19,048,502
2021 11,709 19,122,059
2020 11,643 19,265,250
2019 11,587 19,371,648
2018 11,477 19,473,970
2017 11,324 19,588,715
2016 11,150 19,702,267
2015 10,954 19,815,616
2014 10,742 19,908,979
2013 10,517 19,983,693
2012 10,267 20,058,035
2011 10,098 20,147,528
2010 10,043 20,246,871
2009 10,016 20,367,487
2008 10,009 20,537,875
2007 10,020 20,882,982
2006 10,034 21,193,760
2005 10,049 21,319,685
2004 10,060 21,451,748
2003 10,059 21,574,326
2002 10,082 21,730,496
2001 10,130 22,131,970
2000 10,168 22,442,971
1999 10,187 22,472,040
1998 10,198 22,507,344
1997 10,197 22,553,978
1996 10,183 22,619,004
1995 10,165 22,684,270
1994 10,137 22,730,211
1993 10,102 22,763,280
1992 10,021 22,794,284
1991 9,850 23,001,155
1990 9,622 23,201,835
1989 9,390 23,161,458
1988 9,165 23,057,662
1987 8,946 22,949,430
1986 8,742 22,836,841
1985 8,551 22,732,999
1984 8,377 22,640,547
1983 8,216 22,560,478
1982 8,040 22,475,741
1981 7,839 22,353,070
1980 7,649 22,207,282
1979 7,468 22,090,488
1978 7,298 21,951,464
1977 7,163 21,756,096
1976 7,064 21,551,634
1975 6,987 21,293,583
1974 6,923 21,029,429
1973 6,866 20,835,681
1972 6,812 20,657,957
1971 6,762 20,461,567
1970 6,710 20,250,398
1969 6,581 20,009,141
1968 6,328 19,799,831
1967 6,135 19,534,242
1966 6,043 19,215,450
1965 5,832 19,031,576
1964 5,515 18,919,126
1963 5,226 18,797,850
1962 4,979 18,676,550
1961 4,774 18,555,250
1960 4,607 18,406,905

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population/nauru/romania | CC BY

From 2006 to 2016, the population of Nauru increased by 1,116 people (a 11.1% growth), while Romania lost 1,491,493 people (a 7.04% decline).

For the next 10 years, from 2016 to 2026, Nauru gained 975 people (a 8.74% growth), while Romania's population decreased by 863,159 people (a 4.38% decline).

Nauru was ranked 196th most populous country in 2006 and is 195th 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) Nauru's population will grow by 29.8% to 15,738 people with a rank change from 195th to 194th. The population of Romania will decrease by 14.7% to 16,073,070 people and rank change from 70th to 81st.

Nauru is projected to reach its peak in 2100 at 20.7K 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

Nauru
Factual

Projection
Romania
Factual

Projection
1x
Year Growth rate
Nauru Romania
2100 0.15% -0.77%
2099 0.2% -0.76%
2098 0.19% -0.75%
2097 0.17% -0.74%
2096 0.17% -0.74%
2095 0.23% -0.72%
2094 0.27% -0.73%
2093 0.23% -0.72%
2092 0.22% -0.71%
2091 0.28% -0.72%
2090 0.33% -0.71%
2089 0.33% -0.71%
2088 0.28% -0.7%
2087 0.34% -0.72%
2086 0.35% -0.72%
2085 0.39% -0.72%
2084 0.43% -0.73%
2083 0.44% -0.73%
2082 0.5% -0.75%
2081 0.44% -0.76%
2080 0.54% -0.76%
2079 0.56% -0.77%
2078 0.55% -0.77%
2077 0.57% -0.78%
2076 0.59% -0.79%
2075 0.6% -0.8%
2074 0.62% -0.8%
2073 0.65% -0.82%
2072 0.56% -0.84%
2071 0.75% -0.85%
2070 0.59% -0.86%
2069 0.66% -0.86%
2068 0.8% -0.88%
2067 0.68% -0.89%
2066 0.71% -0.91%
2065 0.73% -0.91%
2064 0.71% -0.91%
2063 0.7% -0.91%
2062 0.78% -0.9%
2061 0.76% -0.89%
2060 0.73% -0.88%
2059 0.78% -0.86%
2058 0.77% -0.85%
2057 0.85% -0.84%
2056 0.85% -0.82%
2055 0.84% -0.79%
2054 0.87% -0.77%
2053 0.9% -0.77%
2052 1.01% -0.75%
2051 0.96% -0.74%
2050 1.06% -0.74%
2049 1.04% -0.73%
2048 1.12% -0.72%
2047 1.17% -0.71%
2046 1.14% -0.7%
2045 1.2% -0.71%
2044 1.19% -0.7%
2043 1.27% -0.69%
2042 1.29% -0.69%
2041 1.32% -0.68%
2040 1.22% -0.67%
2039 1.14% -0.67%
2038 1.17% -0.66%
2037 1.12% -0.66%
2036 1.27% -0.65%
2035 1.19% -0.63%
2034 1.14% -0.63%
2033 1.06% -0.62%
2032 1.06% -0.61%
2031 0.96% -0.6%
2030 0.96% -0.6%
2029 0.77% -0.59%
2028 0.9% -0.58%
2027 0.64% -0.58%
2026 0.63% -0.57%
2025 0.7% -0.55%
2024 0.61% -0.05%
2023 0.63% 0.07%
2022 0.79% -0.38%
2021 0.57% -0.74%
2020 0.48% -0.55%
2019 0.96% -0.53%
2018 1.35% -0.59%
2017 1.56% -0.58%
2016 1.79% -0.57%
2015 1.97% -0.47%
2014 2.14% -0.37%
2013 2.43% -0.37%
2012 1.67% -0.44%
2011 0.55% -0.49%
2010 0.27% -0.59%
2009 0.07% -0.83%
2008 -0.11% -1.65%
2007 -0.14% -1.47%
2006 -0.15% -0.59%
2005 -0.11% -0.62%
2004 0.01% -0.57%
2003 -0.23% -0.72%
2002 -0.47% -1.81%
2001 -0.37% -1.39%
2000 -0.19% -0.13%
1999 -0.11% -0.16%
1998 0.01% -0.21%
1997 0.14% -0.29%
1996 0.18% -0.29%
1995 0.28% -0.2%
1994 0.35% -0.15%
1993 0.81% -0.14%
1992 1.74% -0.9%
1991 2.37% -0.86%
1990 2.47% 0.17%
1989 2.45% 0.45%
1988 2.45% 0.47%
1987 2.33% 0.49%
1986 2.23% 0.46%
1985 2.08% 0.41%
1984 1.96% 0.35%
1983 2.19% 0.38%
1982 2.56% 0.55%
1981 2.48% 0.66%
1980 2.42% 0.53%
1979 2.33% 0.63%
1978 1.88% 0.9%
1977 1.4% 0.95%
1976 1.1% 1.21%
1975 0.92% 1.26%
1974 0.83% 0.93%
1973 0.79% 0.86%
1972 0.74% 0.96%
1971 0.77% 1.04%
1970 1.96% 1.21%
1969 4% 1.06%
1968 3.15% 1.36%
1967 1.52% 1.66%
1966 3.62% 0.97%
1965 5.75% 0.59%
1964 5.53% 0.65%
1963 4.96% 0.65%
1962 4.29% 0.65%
1961 3.62% 0.81%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

GeoRank.org/population/nauru/romania | CC BY

In 2024, the population of Nauru grew by 0.61%, while Romania's population declined by 0.05%.

Live population counters

Nauru Romania
Current population
12125
18839108
Population rank 195/197 70/197
Percent of world population 0.0001% 0.23%
One net population change
5.07 days
56.8 minutes
One birth every
1.21 days
3.45 minutes
One death every
4.1 days
2.17 minutes
Daily growth/decline +0 -25
Annual growth/decline +72 -9,258
Annual growth/decline rate +0.61% -0.05%
Population growth rate rank 126/197 169/197
One migration net change every
3 days
18.1 minutes
Annual migration change -122 -29,041
Net migration rank 82/196 163/196
Foreign-born residents 2,548 655,579
Foreign-born residents rank 191/195 73/195
Foreign-born share of population 21.3% 3.4%
Foreign-born share rank 29/195 112/195

Natural population change vs migration

Nauru
Natural

Migration
Romania
Natural

Migration
1x
Year Population change
Nauru Romania
Natural Migration Natural Migration
2025 - -122 - -29,041
2024 - -121 - -28,466
2023 213 -148 -89,587 -27,780
2022 226 -144 -93,338 89,076
2021 236 -137 -141,504 -17,731
2020 246 -214 -100,179 -13,202
2019 255 -171 -60,053 -27,909
2018 265 -131 -62,316 -33,018
2017 279 -115 -50,930 -33,081
2016 289 -105 -53,196 -33,073
2015 291 -86 -59,447 -35,751
2014 290 -69 -55,745 -35,448
2013 291 -53 -59,951 -34,910
2012 292 -38 -54,157 -37,589
2011 291 -206 -56,413 -102,769
2010 281 -246 -46,567 -122,364
2009 261 -249 -34,625 -137,953
2008 240 -243 -30,806 -144,368
2007 222 -235 -37,590 -133,089
2006 209 -224 -38,148 -132,777
2005 204 -217 -40,508 -131,176
2004 202 -210 -42,904 -117,432
2003 201 -199 -56,093 -107,139
2002 200 -247 -58,673 -106,585
2001 203 -252 -37,625 -91,154
2000 207 -236 -22,443 -92,451
1999 212 -227 -31,461 -82,590
1998 214 -217 -33,761 -81,366
1997 218 -209 -42,853 -88,734
1996 221 -204 -56,548 -70,799
1995 225 -201 -36,295 -73,779
1994 229 -196 -18,184 -76,246
1993 235 -194 -13,658 -73,475
1992 237 -121 -4,559 -63,200
1991 225 0 25,301 -36,824
1990 214 20 69,605 -38,157
1989 204 24 122,756 -33,866
1988 195 29 126,817 -48,911
1987 186 27 128,517 -42,868
1986 178 21 134,737 -50,450
1985 171 8 111,392 -28,108
1984 166 -2 117,731 -24,629
1983 163 -5 87,986 3,093
1982 162 30 119,121 -4,725
1981 157 44 156,472 -20,870
1980 145 44 168,776 -16,668
1979 130 48 194,397 -29,600
1978 111 40 204,148 -31,427
1977 89 32 215,385 -28,135
1976 79 0 213,361 18,748
1975 70 0 219,324 9,125
1974 63 0 235,530 6,725
1973 57 0 175,020 58,651
1972 53 0 198,316 61,920
1971 50 0 206,662 74,473
1970 49 0 234,905 71,919
1969 71 132 264,120 74,851
1968 116 180 338,577 33,601
1967 117 -28 347,709 37,282
1966 123 -32 115,293 -25,458
1965 113 218 114,190 -60,430
1964 100 203 134,326 -59,500
1963 88 181 139,104 -58,076
1962 75 158 130,736 -56,152
1961 70 120 163,286 -54,642
1960 72 76 191,431 -55,397

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/nauru/romania | CC BY

Over the last 10 years, 66.2% of the population change in Nauru is from natural causes (a gain of 2,590 people) and 33.8% is from migration (a loss of 1,320 people). In Romania 82% is from natural causes (a loss of 766,295 people) and 18% is from migration (a loss of 167,917 people).

As of 2024, 2,548 residents or 21.3% of the population were not native-born in Nauru, compared to 655,579 people or 3.4% in Romania.

Biggest cities by population

Nauru
City Population
Yaren 747
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 (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

GeoRank.org/population/nauru/romania | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

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