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

Updated on by Georank

The latest officially reported population of Romania was 19,020,271 in 2025 vs 103,742 people in Tonga in 2025. In 2026, based on the adjusted UN estimation, the current Romania's population is 18,912,567 people compared to 103,283 in Tonga.

Population statistics:

  • Romania's population is 183.1 times bigger than Tonga's.
  • Romania is ranked the 70th most populous country in the world, while Tonga is the 183rd.
  • The countries together account for 0.23% of the world: 0.23% for Romania vs 0.001% for Tonga.
  • For the last 10 years, Romania has had an average growth rate of -0.41% per year vs -0.25% in Tonga.
  • Since 2006, the population of Romania has decreased from 21.2M people to 18.9M (10.8% decline), while Tonga has declined from 106K to 103K (2.8% decline).

Romania vs Tonga: population by year and forecast

Romania
Factual

Projection
Tonga
Factual

Projection
1x
Year Population
Romania Tonga
2100 10,843,503 117,617
2099 10,927,951 117,585
2098 11,011,822 117,530
2097 11,095,182 117,492
2096 11,178,195 117,461
2095 11,261,202 117,383
2094 11,343,358 117,290
2093 11,426,736 117,207
2092 11,509,522 117,097
2091 11,591,897 116,983
2090 11,675,686 116,838
2089 11,759,143 116,682
2088 11,842,733 116,481
2087 11,926,699 116,277
2086 12,013,212 116,088
2085 12,099,742 115,872
2084 12,187,794 115,628
2083 12,277,402 115,336
2082 12,367,518 115,041
2081 12,460,785 114,752
2080 12,556,104 114,424
2079 12,652,446 114,074
2078 12,750,395 113,710
2077 12,849,896 113,349
2076 12,950,914 112,945
2075 13,053,551 112,565
2074 13,158,624 112,179
2073 13,264,931 111,790
2072 13,375,162 111,377
2071 13,488,051 110,963
2070 13,603,287 110,576
2069 13,721,187 110,209
2068 13,840,530 109,825
2067 13,963,377 109,446
2066 14,088,938 109,062
2065 14,218,608 108,736
2064 14,349,029 108,377
2063 14,480,312 108,033
2062 14,613,788 107,710
2061 14,747,178 107,396
2060 14,879,235 107,117
2059 15,011,161 106,842
2058 15,141,670 106,589
2057 15,271,230 106,345
2056 15,400,030 106,130
2055 15,527,331 105,915
2054 15,651,338 105,698
2053 15,773,422 105,486
2052 15,896,118 105,286
2051 16,016,719 105,079
2050 16,135,745 104,844
2049 16,255,638 104,636
2048 16,375,139 104,387
2047 16,494,633 104,154
2046 16,612,186 103,852
2045 16,730,009 103,548
2044 16,848,827 103,215
2043 16,966,857 102,934
2042 17,084,359 102,692
2041 17,203,640 102,447
2040 17,320,952 102,228
2039 17,438,042 102,061
2038 17,556,386 101,835
2037 17,673,500 101,707
2036 17,790,613 101,627
2035 17,906,949 101,580
2034 18,020,973 101,571
2033 18,134,889 101,591
2032 18,247,275 101,633
2031 18,359,750 101,764
2030 18,471,446 101,928
2029 18,583,513 102,181
2028 18,693,807 102,494
2027 18,803,518 102,841
2026 18,912,567 103,283
2025 19,020,271 103,742
2024 19,051,804 104,175
2023 19,061,062 104,597
2022 19,048,502 105,042
2021 19,122,059 105,490
2020 19,265,250 105,704
2019 19,371,648 105,669
2018 19,473,970 105,567
2017 19,588,715 105,356
2016 19,702,267 105,524
2015 19,815,616 106,095
2014 19,908,979 106,609
2013 19,983,693 107,078
2012 20,058,035 107,460
2011 20,147,528 107,570
2010 20,246,871 107,400
2009 20,367,487 107,203
2008 20,537,875 107,020
2007 20,882,982 106,726
2006 21,193,760 106,253
2005 21,319,685 105,671
2004 21,451,748 105,071
2003 21,574,326 104,464
2002 21,730,496 103,874
2001 22,131,970 103,288
2000 22,442,971 102,677
1999 22,472,040 102,046
1998 22,507,344 101,388
1997 22,553,978 100,674
1996 22,619,004 100,275
1995 22,684,270 100,225
1994 22,730,211 100,166
1993 22,763,280 100,103
1992 22,794,284 100,022
1991 23,001,155 99,895
1990 23,201,835 99,700
1989 23,161,458 99,403
1988 23,057,662 98,969
1987 22,949,430 98,376
1986 22,836,841 98,010
1985 22,732,999 97,984
1984 22,640,547 97,990
1983 22,560,478 97,998
1982 22,475,741 97,980
1981 22,353,070 97,909
1980 22,207,282 97,769
1979 22,090,488 97,544
1978 21,951,464 97,204
1977 21,756,096 96,725
1976 21,551,634 95,325
1975 21,293,583 93,017
1974 21,029,429 90,683
1973 20,835,681 88,805
1972 20,657,957 87,356
1971 20,461,567 85,896
1970 20,250,398 84,401
1969 20,009,141 82,885
1968 19,799,831 81,353
1967 19,534,242 79,814
1966 19,215,450 78,002
1965 19,031,576 75,924
1964 18,919,126 73,879
1963 18,797,850 71,885
1962 18,676,550 69,940
1961 18,555,250 68,037
1960 18,406,905 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/romania/tonga | CC BY

From 2006 to 2016, the population of Romania decreased by 1,491,493 people (a 7.04% decline), while Tonga lost 729 people (a 0.69% decline).

For the next 10 years, from 2016 to 2026, Romania lost 789,700 people (a 4.01% decline), while Tonga's population decreased by 2,241 people (a 2.12% decline).

Romania was ranked 51st most populous country in 2006 and is 70th 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) Romania's population will shrink by 14.7% to 16,135,745 people with a rank change from 70th to 81st. The population of Tonga will increase by 1.51% to 104,844 people and will still be ranked 183rd.

Tonga is projected to reach its peak in 2100 at 118K 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

Romania
Factual

Projection
Tonga
Factual

Projection
1x
Year Growth rate
Romania Tonga
2100 -0.77% 0.03%
2099 -0.76% 0.05%
2098 -0.75% 0.03%
2097 -0.74% 0.03%
2096 -0.74% 0.07%
2095 -0.72% 0.08%
2094 -0.73% 0.07%
2093 -0.72% 0.09%
2092 -0.71% 0.1%
2091 -0.72% 0.12%
2090 -0.71% 0.13%
2089 -0.71% 0.17%
2088 -0.7% 0.18%
2087 -0.72% 0.16%
2086 -0.72% 0.19%
2085 -0.72% 0.21%
2084 -0.73% 0.25%
2083 -0.73% 0.26%
2082 -0.75% 0.25%
2081 -0.76% 0.29%
2080 -0.76% 0.31%
2079 -0.77% 0.32%
2078 -0.77% 0.32%
2077 -0.78% 0.36%
2076 -0.79% 0.34%
2075 -0.8% 0.34%
2074 -0.8% 0.35%
2073 -0.82% 0.37%
2072 -0.84% 0.37%
2071 -0.85% 0.35%
2070 -0.86% 0.33%
2069 -0.86% 0.35%
2068 -0.88% 0.35%
2067 -0.89% 0.35%
2066 -0.91% 0.3%
2065 -0.91% 0.33%
2064 -0.91% 0.32%
2063 -0.91% 0.3%
2062 -0.9% 0.29%
2061 -0.89% 0.26%
2060 -0.88% 0.26%
2059 -0.86% 0.24%
2058 -0.85% 0.23%
2057 -0.84% 0.2%
2056 -0.82% 0.2%
2055 -0.79% 0.2%
2054 -0.77% 0.2%
2053 -0.77% 0.19%
2052 -0.75% 0.2%
2051 -0.74% 0.22%
2050 -0.74% 0.2%
2049 -0.73% 0.24%
2048 -0.72% 0.22%
2047 -0.71% 0.29%
2046 -0.7% 0.29%
2045 -0.71% 0.32%
2044 -0.7% 0.27%
2043 -0.69% 0.24%
2042 -0.69% 0.24%
2041 -0.68% 0.21%
2040 -0.67% 0.16%
2039 -0.67% 0.22%
2038 -0.66% 0.13%
2037 -0.66% 0.08%
2036 -0.65% 0.05%
2035 -0.63% 0.009%
2034 -0.63% -0.02%
2033 -0.62% -0.04%
2032 -0.61% -0.13%
2031 -0.6% -0.16%
2030 -0.6% -0.25%
2029 -0.59% -0.31%
2028 -0.58% -0.34%
2027 -0.58% -0.43%
2026 -0.57% -0.44%
2025 -0.17% -0.42%
2024 -0.05% -0.4%
2023 0.07% -0.42%
2022 -0.38% -0.42%
2021 -0.74% -0.2%
2020 -0.55% 0.03%
2019 -0.53% 0.1%
2018 -0.59% 0.2%
2017 -0.58% -0.16%
2016 -0.57% -0.54%
2015 -0.47% -0.48%
2014 -0.37% -0.44%
2013 -0.37% -0.36%
2012 -0.44% -0.1%
2011 -0.49% 0.16%
2010 -0.59% 0.18%
2009 -0.83% 0.17%
2008 -1.65% 0.28%
2007 -1.47% 0.45%
2006 -0.59% 0.55%
2005 -0.62% 0.57%
2004 -0.57% 0.58%
2003 -0.72% 0.57%
2002 -1.81% 0.57%
2001 -1.39% 0.6%
2000 -0.13% 0.62%
1999 -0.16% 0.65%
1998 -0.21% 0.71%
1997 -0.29% 0.4%
1996 -0.29% 0.05%
1995 -0.2% 0.06%
1994 -0.15% 0.06%
1993 -0.14% 0.08%
1992 -0.9% 0.13%
1991 -0.86% 0.2%
1990 0.17% 0.3%
1989 0.45% 0.44%
1988 0.47% 0.6%
1987 0.49% 0.37%
1986 0.46% 0.03%
1985 0.41% -0.006%
1984 0.35% -0.008%
1983 0.38% 0.02%
1982 0.55% 0.07%
1981 0.66% 0.14%
1980 0.53% 0.23%
1979 0.63% 0.35%
1978 0.9% 0.5%
1977 0.95% 1.47%
1976 1.21% 2.48%
1975 1.26% 2.57%
1974 0.93% 2.11%
1973 0.86% 1.66%
1972 0.96% 1.7%
1971 1.04% 1.77%
1970 1.21% 1.83%
1969 1.06% 1.88%
1968 1.36% 1.93%
1967 1.66% 2.32%
1966 0.97% 2.74%
1965 0.59% 2.77%
1964 0.65% 2.77%
1963 0.65% 2.78%
1962 0.65% 2.8%
1961 0.81% 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/romania/tonga | CC BY

In 2025, the population of Romania declined by 0.17%, while Tonga's population declined by 0.42%.

Live population counters

Romania Tonga
Current population
18912567
103283
Population rank 70/197 183/197
Percent of world population 0.23% 0.001%
One net population change
16.7 minutes
20.3 hours
One birth every
3.68 minutes
3.65 hours
One death every
2.16 minutes
13.1 hours
Daily growth/decline -86 -1
Annual growth/decline -31,533 -433
Annual growth/decline rate -0.17% -0.42%
Population growth rate rank 172/197 181/197
One migration net change every
18.1 minutes
4.09 hours
Annual migration change -29,041 -2,150
Net migration rank 163/196 99/196
Foreign-born residents 655,579 3,581
Foreign-born residents rank 73/195 187/195
Foreign-born share of population 3.4% 3.4%
Foreign-born share rank 112/195 113/195

Natural population change vs migration

Romania
Natural

Migration
Tonga
Natural

Migration
1x
Year Population change
Romania Tonga
Natural Migration Natural Migration
2025 - -29,041 - -2,150
2024 -100,975 -28,466 1,729 -2,149
2023 -83,869 -27,780 1,744 -2,173
2022 -93,338 89,076 1,772 -2,218
2021 -141,504 -17,731 1,773 -2,220
2020 -100,179 -13,202 1,816 -1,807
2019 -60,053 -27,909 1,841 -1,778
2018 -62,316 -33,018 1,873 -1,723
2017 -50,930 -33,081 1,912 -1,642
2016 -53,196 -33,073 1,989 -2,591
2015 -59,447 -35,751 2,064 -2,610
2014 -55,745 -35,448 2,135 -2,622
2013 -59,951 -34,910 2,199 -2,637
2012 -54,157 -37,589 2,255 -2,578
2011 -56,413 -102,769 2,298 -2,198
2010 -46,567 -122,364 2,332 -2,097
2009 -34,625 -137,953 2,358 -2,204
2008 -30,806 -144,368 2,397 -2,177
2007 -37,590 -133,089 2,423 -2,057
2006 -38,148 -132,777 2,459 -1,875
2005 -40,508 -131,176 2,495 -1,906
2004 -42,904 -117,432 2,478 -1,876
2003 -56,093 -107,139 2,448 -1,844
2002 -58,673 -106,585 2,396 -1,815
2001 -37,625 -91,154 2,358 -1,766
2000 -22,443 -92,451 2,346 -1,721
1999 -31,461 -82,590 2,352 -1,710
1998 -33,761 -81,366 2,344 -1,665
1997 -42,853 -88,734 2,332 -1,589
1996 -56,548 -70,799 2,393 -2,338
1995 -36,295 -73,779 2,476 -2,422
1994 -18,184 -76,246 2,547 -2,484
1993 -13,658 -73,475 2,594 -2,532
1992 -4,559 -63,200 2,622 -2,524
1991 25,301 -36,824 2,637 -2,484
1990 69,605 -38,157 2,641 -2,409
1989 122,756 -33,866 2,644 -2,280
1988 126,817 -48,911 2,649 -2,138
1987 128,517 -42,868 2,646 -1,970
1986 134,737 -50,450 2,704 -2,650
1985 111,392 -28,108 2,762 -2,775
1984 117,731 -24,629 2,814 -2,823
1983 87,986 3,093 2,840 -2,840
1982 119,121 -4,725 2,853 -2,814
1981 156,472 -20,870 2,882 -2,778
1980 168,776 -16,668 2,885 -2,708
1979 194,397 -29,600 2,884 -2,604
1978 204,148 -31,427 2,862 -2,457
1977 215,385 -28,135 2,822 -2,273
1976 213,361 18,748 2,769 -523
1975 219,324 9,125 2,709 -346
1974 235,530 6,725 2,650 -344
1973 175,020 58,651 2,617 -1,168
1972 198,316 61,920 2,605 -1,153
1971 206,662 74,473 2,611 -1,138
1970 234,905 71,919 2,628 -1,122
1969 264,120 74,851 2,632 -1,101
1968 338,577 33,601 2,614 -1,078
1967 347,709 37,282 2,603 -1,060
1966 115,293 -25,458 2,550 -465
1965 114,190 -60,430 2,498 -426
1964 134,326 -59,500 2,445 -428
1963 139,104 -58,076 2,394 -426
1962 130,736 -56,152 2,343 -420
1961 163,286 -54,642 2,284 -401
1960 191,431 -55,397 2,230 -384

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

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

Over the last 10 years, 83.4% of the population change in Romania is from natural causes (a loss of 805,807 people) and 16.6% is from migration (a loss of 160,935 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, 655,579 residents or 3.4% of the population were not native-born in Romania, compared to 3,581 people or 3.4% in Tonga.

Biggest cities by population

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
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/romania/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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