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

Updated on by Georank

The latest officially reported population of Romania was 19,020,271 in 2025 vs 71,619,863 people in Thailand in 2025. In 2026, based on the adjusted UN estimation, the current Romania's population is 18,912,567 people compared to 71,565,981 in Thailand.

Population statistics:

  • Thailand's population is 3.78 times bigger than Romania's.
  • Romania is ranked the 70th most populous country in the world, while Thailand is the 21st.
  • The countries together account for 1.09% of the world: 0.23% for Romania vs 0.86% for Thailand.
  • For the last 10 years, Romania has had an average growth rate of -0.41% per year vs +0.18% in Thailand.
  • Since 2006, the population of Romania has decreased from 21.2M people to 18.9M (10.8% decline), while Thailand has grown from 66.6M to 71.6M (7.51% growth).

Romania vs Thailand: population by year and forecast

Romania
Factual

Projection
Thailand
Factual

Projection
1x
Year Population
Romania Thailand
2100 10,843,503 45,708,431
2099 10,927,951 46,053,146
2098 11,011,822 46,403,189
2097 11,095,182 46,757,918
2096 11,178,195 47,118,652
2095 11,261,202 47,484,043
2094 11,343,358 47,853,561
2093 11,426,736 48,226,682
2092 11,509,522 48,605,235
2091 11,591,897 48,984,504
2090 11,675,686 49,368,049
2089 11,759,143 49,756,629
2088 11,842,733 50,142,276
2087 11,926,699 50,532,164
2086 12,013,212 50,925,294
2085 12,099,742 51,321,960
2084 12,187,794 51,724,454
2083 12,277,402 52,127,592
2082 12,367,518 52,533,368
2081 12,460,785 52,938,345
2080 12,556,104 53,347,733
2079 12,652,446 53,762,492
2078 12,750,395 54,177,529
2077 12,849,896 54,595,112
2076 12,950,914 55,015,291
2075 13,053,551 55,438,108
2074 13,158,624 55,867,914
2073 13,264,931 56,300,358
2072 13,375,162 56,735,274
2071 13,488,051 57,172,515
2070 13,603,287 57,616,731
2069 13,721,187 58,061,962
2068 13,840,530 58,512,248
2067 13,963,377 58,962,990
2066 14,088,938 59,413,893
2065 14,218,608 59,873,261
2064 14,349,029 60,331,851
2063 14,480,312 60,792,306
2062 14,613,788 61,257,068
2061 14,747,178 61,720,030
2060 14,879,235 62,187,380
2059 15,011,161 62,651,158
2058 15,141,670 63,113,332
2057 15,271,230 63,572,746
2056 15,400,030 64,027,520
2055 15,527,331 64,473,146
2054 15,651,338 64,912,210
2053 15,773,422 65,338,122
2052 15,896,118 65,758,061
2051 16,016,719 66,162,612
2050 16,135,745 66,552,915
2049 16,255,638 66,931,487
2048 16,375,139 67,291,479
2047 16,494,633 67,636,461
2046 16,612,186 67,967,131
2045 16,730,009 68,281,902
2044 16,848,827 68,579,656
2043 16,966,857 68,864,788
2042 17,084,359 69,133,982
2041 17,203,640 69,390,832
2040 17,320,952 69,626,857
2039 17,438,042 69,848,522
2038 17,556,386 70,056,903
2037 17,673,500 70,250,371
2036 17,790,613 70,429,677
2035 17,906,949 70,599,021
2034 18,020,973 70,751,094
2033 18,134,889 70,891,510
2032 18,247,275 71,019,665
2031 18,359,750 71,134,882
2030 18,471,446 71,241,584
2029 18,583,513 71,337,147
2028 18,693,807 71,423,119
2027 18,803,518 71,499,411
2026 18,912,567 71,565,981
2025 19,020,271 71,619,863
2024 19,051,804 71,668,011
2023 19,061,062 71,702,435
2022 19,048,502 71,735,329
2021 19,122,059 71,727,332
2020 19,265,250 71,641,484
2019 19,371,648 71,522,271
2018 19,473,970 71,376,079
2017 19,588,715 71,160,187
2016 19,702,267 70,859,841
2015 19,815,616 70,540,795
2014 19,908,979 70,216,367
2013 19,983,693 69,845,114
2012 20,058,035 69,436,098
2011 20,147,528 69,007,208
2010 20,246,871 68,579,447
2009 20,367,487 68,121,080
2008 20,537,875 67,619,830
2007 20,882,982 67,102,394
2006 21,193,760 66,567,687
2005 21,319,685 66,017,420
2004 21,451,748 65,452,047
2003 21,574,326 64,868,166
2002 21,730,496 64,266,437
2001 22,131,970 63,651,141
2000 22,442,971 63,007,815
1999 22,472,040 62,299,043
1998 22,507,344 61,522,630
1997 22,553,978 60,724,584
1996 22,619,004 59,920,064
1995 22,684,270 59,098,232
1994 22,730,211 58,260,854
1993 22,763,280 57,408,198
1992 22,794,284 56,528,834
1991 23,001,155 55,637,434
1990 23,201,835 54,738,329
1989 23,161,458 53,848,956
1988 23,057,662 52,969,595
1987 22,949,430 52,074,105
1986 22,836,841 51,177,834
1985 22,732,999 50,270,753
1984 22,640,547 49,351,708
1983 22,560,478 48,423,309
1982 22,475,741 47,494,577
1981 22,353,070 46,575,855
1980 22,207,282 45,650,022
1979 22,090,488 44,718,434
1978 21,951,464 43,788,976
1977 21,756,096 42,843,974
1976 21,551,634 41,896,504
1975 21,293,583 40,940,005
1974 21,029,429 39,952,891
1973 20,835,681 38,947,787
1972 20,657,957 37,933,929
1971 20,461,567 36,937,387
1970 20,250,398 35,954,408
1969 20,009,141 34,973,782
1968 19,799,831 34,002,560
1967 19,534,242 33,037,801
1966 19,215,450 32,086,071
1965 19,031,576 31,149,337
1964 18,919,126 30,232,141
1963 18,797,850 29,342,322
1962 18,676,550 28,481,040
1961 18,555,250 27,650,334
1960 18,406,905 26,851,747

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/thailand | CC BY

From 2006 to 2016, the population of Romania decreased by 1,491,493 people (a 7.04% decline), while Thailand gained 4,292,154 people (a 6.45% growth).

For the next 10 years, from 2016 to 2026, Romania lost 789,700 people (a 4.01% decline), while Thailand's population increased by 706,140 people (a 1% growth).

Romania was ranked 51st most populous country in 2006 and is 70th in 2026. Thailand was ranked 19th in 2006 and ranked 21st 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 Thailand will decrease by 7% to 66,552,915 people and rank change from 21st to 31st.

Both countries are in a period of decline and in 50 years are projected to lose 31.5% of the population in Romania and 23.1% in Thailand.

Population growth rate by year

Romania
Factual

Projection
Thailand
Factual

Projection
1x
Year Growth rate
Romania Thailand
2100 -0.77% -0.75%
2099 -0.76% -0.75%
2098 -0.75% -0.76%
2097 -0.74% -0.77%
2096 -0.74% -0.77%
2095 -0.72% -0.77%
2094 -0.73% -0.77%
2093 -0.72% -0.78%
2092 -0.71% -0.77%
2091 -0.72% -0.78%
2090 -0.71% -0.78%
2089 -0.71% -0.77%
2088 -0.7% -0.77%
2087 -0.72% -0.77%
2086 -0.72% -0.77%
2085 -0.72% -0.78%
2084 -0.73% -0.77%
2083 -0.73% -0.77%
2082 -0.75% -0.76%
2081 -0.76% -0.77%
2080 -0.76% -0.77%
2079 -0.77% -0.77%
2078 -0.77% -0.76%
2077 -0.78% -0.76%
2076 -0.79% -0.76%
2075 -0.8% -0.77%
2074 -0.8% -0.77%
2073 -0.82% -0.77%
2072 -0.84% -0.76%
2071 -0.85% -0.77%
2070 -0.86% -0.77%
2069 -0.86% -0.77%
2068 -0.88% -0.76%
2067 -0.89% -0.76%
2066 -0.91% -0.77%
2065 -0.91% -0.76%
2064 -0.91% -0.76%
2063 -0.91% -0.76%
2062 -0.9% -0.75%
2061 -0.89% -0.75%
2060 -0.88% -0.74%
2059 -0.86% -0.73%
2058 -0.85% -0.72%
2057 -0.84% -0.71%
2056 -0.82% -0.69%
2055 -0.79% -0.68%
2054 -0.77% -0.65%
2053 -0.77% -0.64%
2052 -0.75% -0.61%
2051 -0.74% -0.59%
2050 -0.74% -0.57%
2049 -0.73% -0.53%
2048 -0.72% -0.51%
2047 -0.71% -0.49%
2046 -0.7% -0.46%
2045 -0.71% -0.43%
2044 -0.7% -0.41%
2043 -0.69% -0.39%
2042 -0.69% -0.37%
2041 -0.68% -0.34%
2040 -0.67% -0.32%
2039 -0.67% -0.3%
2038 -0.66% -0.28%
2037 -0.66% -0.25%
2036 -0.65% -0.24%
2035 -0.63% -0.21%
2034 -0.63% -0.2%
2033 -0.62% -0.18%
2032 -0.61% -0.16%
2031 -0.6% -0.15%
2030 -0.6% -0.13%
2029 -0.59% -0.12%
2028 -0.58% -0.11%
2027 -0.58% -0.09%
2026 -0.57% -0.08%
2025 -0.17% -0.07%
2024 -0.05% -0.05%
2023 0.07% -0.05%
2022 -0.38% 0.01%
2021 -0.74% 0.12%
2020 -0.55% 0.17%
2019 -0.53% 0.2%
2018 -0.59% 0.3%
2017 -0.58% 0.42%
2016 -0.57% 0.45%
2015 -0.47% 0.46%
2014 -0.37% 0.53%
2013 -0.37% 0.59%
2012 -0.44% 0.62%
2011 -0.49% 0.62%
2010 -0.59% 0.67%
2009 -0.83% 0.74%
2008 -1.65% 0.77%
2007 -1.47% 0.8%
2006 -0.59% 0.83%
2005 -0.62% 0.86%
2004 -0.57% 0.9%
2003 -0.72% 0.94%
2002 -1.81% 0.97%
2001 -1.39% 1.02%
2000 -0.13% 1.14%
1999 -0.16% 1.26%
1998 -0.21% 1.31%
1997 -0.29% 1.34%
1996 -0.29% 1.39%
1995 -0.2% 1.44%
1994 -0.15% 1.49%
1993 -0.14% 1.56%
1992 -0.9% 1.6%
1991 -0.86% 1.64%
1990 0.17% 1.65%
1989 0.45% 1.66%
1988 0.47% 1.72%
1987 0.49% 1.75%
1986 0.46% 1.8%
1985 0.41% 1.86%
1984 0.35% 1.92%
1983 0.38% 1.96%
1982 0.55% 1.97%
1981 0.66% 2.03%
1980 0.53% 2.08%
1979 0.63% 2.12%
1978 0.9% 2.21%
1977 0.95% 2.26%
1976 1.21% 2.34%
1975 1.26% 2.47%
1974 0.93% 2.58%
1973 0.86% 2.67%
1972 0.96% 2.7%
1971 1.04% 2.73%
1970 1.21% 2.8%
1969 1.06% 2.86%
1968 1.36% 2.92%
1967 1.66% 2.97%
1966 0.97% 3.01%
1965 0.59% 3.03%
1964 0.65% 3.03%
1963 0.65% 3.02%
1962 0.65% 3%
1961 0.81% 2.97%

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/thailand | CC BY

In 2025, the population of Romania declined by 0.17%, while Thailand's population declined by 0.07%.

Live population counters

Romania Thailand
Current population
18912567
71565981
Population rank 70/197 21/197
Percent of world population 0.23% 0.86%
One net population change
16.7 minutes
10.9 minutes
One birth every
3.68 minutes
54.2 seconds
One death every
2.16 minutes
48.7 seconds
Daily growth/decline -86 -132
Annual growth/decline -31,533 -48,148
Annual growth/decline rate -0.17% -0.07%
Population growth rate rank 172/197 164/197
One migration net change every
18.1 minutes
19.2 minutes
Annual migration change -29,041 +27,509
Net migration rank 163/196 30/196
Foreign-born residents 655,579 3,179,399
Foreign-born residents rank 73/195 21/195
Foreign-born share of population 3.4% 4.4%
Foreign-born share rank 112/195 100/195

Natural population change vs migration

Romania
Natural

Migration
Thailand
Natural

Migration
1x
Year Population change
Romania Thailand
Natural Migration Natural Migration
2025 - -29,041 - 27,509
2024 -100,975 -28,466 -65,720 23,321
2023 -83,869 -27,780 -46,105 19,648
2022 -93,338 89,076 -61,046 21,683
2021 -141,504 -17,731 57,382 -2,093
2020 -100,179 -13,202 84,107 32,277
2019 -60,053 -27,909 116,867 5,221
2018 -62,316 -33,018 159,383 10,984
2017 -50,930 -33,081 194,695 66,805
2016 -53,196 -33,073 226,255 112,978
2015 -59,447 -35,751 266,362 32,500
2014 -55,745 -35,448 294,628 55,358
2013 -59,951 -34,910 325,059 67,452
2012 -54,157 -37,589 351,485 74,033
2011 -56,413 -102,769 365,670 66,607
2010 -46,567 -122,364 370,466 52,791
2009 -34,625 -137,953 382,636 110,883
2008 -30,806 -144,368 401,730 107,333
2007 -37,590 -133,089 425,362 100,486
2006 -38,148 -132,777 441,211 102,362
2005 -40,508 -131,176 456,378 100,542
2004 -42,904 -117,432 466,542 107,199
2003 -56,093 -107,139 488,003 105,917
2002 -58,673 -106,585 504,299 105,215
2001 -37,625 -91,154 524,230 96,817
2000 -22,443 -92,451 543,884 121,640
1999 -31,461 -82,590 578,073 173,924
1998 -33,761 -81,366 617,318 183,471
1997 -42,853 -88,734 644,834 150,411
1996 -56,548 -70,799 661,397 152,397
1995 -36,295 -73,779 682,703 147,226
1994 -18,184 -76,246 712,589 132,271
1993 -13,658 -73,475 737,696 122,746
1992 -4,559 -63,200 754,999 143,318
1991 25,301 -36,824 760,508 124,034
1990 69,605 -38,157 760,808 152,916
1989 122,756 -33,866 774,563 90,497
1988 126,817 -48,911 765,252 128,469
1987 128,517 -42,868 774,498 122,791
1986 134,737 -50,450 783,430 111,820
1985 111,392 -28,108 776,935 141,963
1984 117,731 -24,629 779,856 139,345
1983 87,986 3,093 794,239 143,393
1982 119,121 -4,725 817,951 101,885
1981 156,472 -20,870 839,297 78,337
1980 168,776 -16,668 845,575 88,478
1979 194,397 -29,600 843,434 85,693
1978 204,148 -31,427 847,799 82,011
1977 215,385 -28,135 871,232 88,937
1976 213,361 18,748 894,072 40,656
1975 219,324 9,125 911,980 66,306
1974 235,530 6,725 923,151 72,801
1973 175,020 58,651 933,540 80,704
1972 198,316 61,920 940,420 73,082
1971 206,662 74,473 936,215 43,400
1970 234,905 71,919 937,116 49,221
1969 264,120 74,851 948,314 26,551
1968 338,577 33,601 953,806 13,718
1967 347,709 37,282 944,980 17,005
1966 115,293 -25,458 929,469 12,016
1965 114,190 -60,430 909,000 22,995
1964 134,326 -59,500 885,137 17,249
1963 139,104 -58,076 860,728 16,494
1962 130,736 -56,152 828,741 16,605
1961 163,286 -54,642 801,140 14,968
1960 191,431 -55,397 774,190 6,886

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

GeoRank.org/population/romania/thailand | 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 Thailand 74.2% is from natural causes (a gain of 932,180 people) and 25.8% is from migration (a gain of 323,324 people).

As of 2024, 655,579 residents or 3.4% of the population were not native-born in Romania, compared to 3,179,399 people or 4.4% in Thailand.

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
Thailand
City Population
Bangkok 5.68M
Chiang Mai 1.2M
Nonthaburi 256K
Pak Kret 190K
Hat Yai 159K
Nakhon Ratchasima 134K
Chaophraya Surasak 133K
Surat Thani 131K
Udon Thani 130K
Klaeng 130K

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/thailand | 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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