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

Updated on by Georank

The latest officially reported population of Montenegro was 623,129 in 2025 vs 103,742 people in Tonga in 2025. In 2026, based on the adjusted UN estimation, the current Montenegro's population is 613,759 people compared to 103,283 in Tonga.

Population statistics:

  • Montenegro's population is 5.94 times bigger than Tonga's.
  • Montenegro is ranked the 166th most populous country in the world, while Tonga is the 183rd.
  • The countries together account for 0.009% of the world: 0.007% for Montenegro vs 0.001% for Tonga.
  • For the last 10 years, Montenegro has had an average growth rate of -0.009% per year vs -0.25% in Tonga.
  • Since 2006, the population of Montenegro has decreased from 615K people to 614K (0.21% decline), while Tonga has declined from 106K to 103K (2.8% decline).

Montenegro vs Tonga: population by year and forecast

Montenegro
Factual

Projection
Tonga
Factual

Projection
1x
Year Population
Montenegro Tonga
2100 320,475 117,617
2099 324,115 117,585
2098 327,713 117,530
2097 331,355 117,492
2096 335,007 117,461
2095 338,654 117,383
2094 342,297 117,290
2093 345,975 117,207
2092 349,650 117,097
2091 353,353 116,983
2090 357,061 116,838
2089 360,774 116,682
2088 364,461 116,481
2087 368,192 116,277
2086 371,937 116,088
2085 375,715 115,872
2084 379,539 115,628
2083 383,359 115,336
2082 387,223 115,041
2081 391,147 114,752
2080 395,110 114,424
2079 399,116 114,074
2078 403,132 113,710
2077 407,160 113,349
2076 411,233 112,945
2075 415,356 112,565
2074 419,523 112,179
2073 423,747 111,790
2072 427,961 111,377
2071 432,249 110,963
2070 436,592 110,576
2069 440,907 110,209
2068 445,235 109,825
2067 449,615 109,446
2066 453,939 109,062
2065 458,379 108,736
2064 462,797 108,377
2063 467,212 108,033
2062 471,608 107,710
2061 475,993 107,396
2060 480,424 107,117
2059 484,778 106,842
2058 489,082 106,589
2057 493,417 106,345
2056 497,856 106,130
2055 502,222 105,915
2054 506,518 105,698
2053 510,759 105,486
2052 514,996 105,286
2051 519,179 105,079
2050 523,331 104,844
2049 527,485 104,636
2048 531,545 104,387
2047 535,674 104,154
2046 539,713 103,852
2045 543,724 103,548
2044 547,696 103,215
2043 551,691 102,934
2042 555,589 102,692
2041 559,520 102,447
2040 563,410 102,228
2039 567,304 102,061
2038 571,182 101,835
2037 575,034 101,707
2036 578,842 101,627
2035 582,604 101,580
2034 586,301 101,571
2033 589,943 101,591
2032 593,521 101,633
2031 597,018 101,764
2030 600,445 101,928
2029 603,840 102,181
2028 607,174 102,494
2027 610,430 102,841
2026 613,759 103,283
2025 623,129 103,742
2024 623,525 104,175
2023 623,529 104,597
2022 623,591 105,042
2021 625,053 105,490
2020 626,590 105,704
2019 626,753 105,669
2018 626,438 105,567
2017 625,982 105,356
2016 625,353 105,524
2015 624,651 106,095
2014 623,744 106,609
2013 622,587 107,078
2012 621,418 107,460
2011 620,345 107,570
2010 619,428 107,400
2009 618,294 107,203
2008 616,969 107,020
2007 615,875 106,726
2006 615,025 106,253
2005 614,261 105,671
2004 613,353 105,071
2003 612,267 104,464
2002 609,828 103,874
2001 607,389 103,288
2000 604,950 102,677
1999 606,001 102,046
1998 607,662 101,388
1997 609,520 100,674
1996 611,003 100,275
1995 611,712 100,225
1994 611,389 100,166
1993 610,170 100,103
1992 608,516 100,022
1991 607,105 99,895
1990 606,372 99,700
1989 606,571 99,403
1988 607,413 98,969
1987 608,144 98,376
1986 607,711 98,010
1985 605,398 97,984
1984 600,884 97,990
1983 594,506 97,998
1982 587,001 97,980
1981 579,445 97,909
1980 572,608 97,769
1979 566,888 97,544
1978 562,065 97,204
1977 557,576 96,725
1976 552,562 95,325
1975 546,487 93,017
1974 538,902 90,683
1973 530,220 88,805
1972 521,785 87,356
1971 515,449 85,896
1970 512,407 84,401
1969 513,340 82,885
1968 517,481 81,353
1967 522,796 79,814
1966 526,419 78,002
1965 526,327 75,924
1964 521,753 73,879
1963 513,409 71,885
1962 502,558 69,940
1961 491,140 68,037
1960 480,579 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/montenegro/tonga | CC BY

From 2006 to 2016, the population of Montenegro increased by 10,328 people (a 1.68% growth), while Tonga lost 729 people (a 0.69% decline).

For the next 10 years, from 2016 to 2026, Montenegro lost 11,594 people (a 1.85% decline), while Tonga's population decreased by 2,241 people (a 2.12% decline).

Montenegro was ranked 162nd most populous country in 2006 and is 166th 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) Montenegro's population will shrink by 14.7% to 523,331 people with a rank change from 166th to 170th. 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 Montenegro's population already peaked in 2019 at 627K people and is projected to decrease to 320K people by 2100.

Population growth rate by year

Montenegro
Factual

Projection
Tonga
Factual

Projection
1x
Year Growth rate
Montenegro Tonga
2100 -1.12% 0.03%
2099 -1.1% 0.05%
2098 -1.1% 0.03%
2097 -1.09% 0.03%
2096 -1.08% 0.07%
2095 -1.06% 0.08%
2094 -1.06% 0.07%
2093 -1.05% 0.09%
2092 -1.05% 0.1%
2091 -1.04% 0.12%
2090 -1.03% 0.13%
2089 -1.01% 0.17%
2088 -1.01% 0.18%
2087 -1.01% 0.16%
2086 -1.01% 0.19%
2085 -1.01% 0.21%
2084 -1% 0.25%
2083 -1% 0.26%
2082 -1% 0.25%
2081 -1% 0.29%
2080 -1% 0.31%
2079 -1% 0.32%
2078 -0.99% 0.32%
2077 -0.99% 0.36%
2076 -0.99% 0.34%
2075 -0.99% 0.34%
2074 -1% 0.35%
2073 -0.98% 0.37%
2072 -0.99% 0.37%
2071 -0.99% 0.35%
2070 -0.98% 0.33%
2069 -0.97% 0.35%
2068 -0.97% 0.35%
2067 -0.95% 0.35%
2066 -0.97% 0.3%
2065 -0.95% 0.33%
2064 -0.94% 0.32%
2063 -0.93% 0.3%
2062 -0.92% 0.29%
2061 -0.92% 0.26%
2060 -0.9% 0.26%
2059 -0.88% 0.24%
2058 -0.88% 0.23%
2057 -0.89% 0.2%
2056 -0.87% 0.2%
2055 -0.85% 0.2%
2054 -0.83% 0.2%
2053 -0.82% 0.19%
2052 -0.81% 0.2%
2051 -0.79% 0.22%
2050 -0.79% 0.2%
2049 -0.76% 0.24%
2048 -0.77% 0.22%
2047 -0.75% 0.29%
2046 -0.74% 0.29%
2045 -0.73% 0.32%
2044 -0.72% 0.27%
2043 -0.7% 0.24%
2042 -0.7% 0.24%
2041 -0.69% 0.21%
2040 -0.69% 0.16%
2039 -0.68% 0.22%
2038 -0.67% 0.13%
2037 -0.66% 0.08%
2036 -0.65% 0.05%
2035 -0.63% 0.009%
2034 -0.62% -0.02%
2033 -0.6% -0.04%
2032 -0.59% -0.13%
2031 -0.57% -0.16%
2030 -0.56% -0.25%
2029 -0.55% -0.31%
2028 -0.53% -0.34%
2027 -0.54% -0.43%
2026 -1.5% -0.44%
2025 -0.06% -0.42%
2024 -0.001% -0.4%
2023 -0.01% -0.42%
2022 -0.23% -0.42%
2021 -0.25% -0.2%
2020 -0.03% 0.03%
2019 0.05% 0.1%
2018 0.07% 0.2%
2017 0.1% -0.16%
2016 0.11% -0.54%
2015 0.15% -0.48%
2014 0.19% -0.44%
2013 0.19% -0.36%
2012 0.17% -0.1%
2011 0.15% 0.16%
2010 0.18% 0.18%
2009 0.21% 0.17%
2008 0.18% 0.28%
2007 0.14% 0.45%
2006 0.12% 0.55%
2005 0.15% 0.57%
2004 0.18% 0.58%
2003 0.4% 0.57%
2002 0.4% 0.57%
2001 0.4% 0.6%
2000 -0.17% 0.62%
1999 -0.27% 0.65%
1998 -0.3% 0.71%
1997 -0.24% 0.4%
1996 -0.12% 0.05%
1995 0.05% 0.06%
1994 0.2% 0.06%
1993 0.27% 0.08%
1992 0.23% 0.13%
1991 0.12% 0.2%
1990 -0.03% 0.3%
1989 -0.14% 0.44%
1988 -0.12% 0.6%
1987 0.07% 0.37%
1986 0.38% 0.03%
1985 0.75% -0.006%
1984 1.07% -0.008%
1983 1.28% 0.02%
1982 1.3% 0.07%
1981 1.19% 0.14%
1980 1.01% 0.23%
1979 0.86% 0.35%
1978 0.81% 0.5%
1977 0.91% 1.47%
1976 1.11% 2.48%
1975 1.41% 2.57%
1974 1.64% 2.11%
1973 1.62% 1.66%
1972 1.23% 1.7%
1971 0.59% 1.77%
1970 -0.18% 1.83%
1969 -0.8% 1.88%
1968 -1.02% 1.93%
1967 -0.69% 2.32%
1966 0.02% 2.74%
1965 0.88% 2.77%
1964 1.63% 2.77%
1963 2.16% 2.78%
1962 2.32% 2.8%
1961 2.2% 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/montenegro/tonga | CC BY

In 2025, the population of Montenegro declined by 0.06%, while Tonga's population declined by 0.42%.

Live population counters

Montenegro Tonga
Current population
613759
103283
Population rank 166/197 183/197
Percent of world population 0.007% 0.001%
One net population change
22.2 hours
20.3 hours
One birth every
1.25 hours
3.65 hours
One death every
1.38 hours
13.1 hours
Daily growth/decline -1 -1
Annual growth/decline -396 -433
Annual growth/decline rate -0.06% -0.42%
Population growth rate rank 163/197 181/197
One migration net change every
56.8 minutes
4.09 hours
Annual migration change -9,279 -2,150
Net migration rank 131/196 99/196
Foreign-born residents 92,237 3,581
Foreign-born residents rank 134/195 187/195
Foreign-born share of population 14.4% 3.4%
Foreign-born share rank 45/195 113/195

Natural population change vs migration

Montenegro
Natural

Migration
Tonga
Natural

Migration
1x
Year Population change
Montenegro Tonga
Natural Migration Natural Migration
2025 - -9,279 - -2,150
2024 624 -1,686 1,729 -2,149
2023 686 12,000 1,744 -2,173
2022 0 26,332 1,772 -2,218
2021 -2,062 -2,344 1,773 -2,220
2020 -188 -3,310 1,816 -1,807
2019 627 -4,083 1,841 -1,778
2018 752 -5,058 1,873 -1,723
2017 939 -4,948 1,912 -1,642
2016 1,125 -5,274 1,989 -2,591
2015 1,062 -4,863 2,064 -2,610
2014 1,560 -4,357 2,135 -2,622
2013 1,557 -2,478 2,199 -2,637
2012 1,554 -1,583 2,255 -2,578
2011 1,365 0 2,298 -2,198
2010 1,797 -2,276 2,332 -2,097
2009 2,783 -3,456 2,358 -2,204
2008 2,530 -3,326 2,397 -2,177
2007 1,848 -3,056 2,423 -2,057
2006 1,599 -2,735 2,459 -1,875
2005 1,536 -2,247 2,495 -1,906
2004 2,146 -1,997 2,478 -1,876
2003 2,632 -3,178 2,448 -1,844
2002 2,988 -3,357 2,396 -1,815
2001 3,462 -3,511 2,358 -1,766
2000 3,751 -3,734 2,346 -1,721
1999 3,454 -3,487 2,352 -1,710
1998 3,889 -3,326 2,344 -1,665
1997 3,597 -3,077 2,332 -1,589
1996 4,155 -3,051 2,393 -2,338
1995 4,527 -3,082 2,476 -2,422
1994 4,381 -2,889 2,547 -2,484
1993 4,638 -2,835 2,594 -2,532
1992 5,015 -2,942 2,622 -2,524
1991 5,191 -2,630 2,637 -2,484
1990 5,010 -1,705 2,641 -2,409
1989 5,129 -1,730 2,644 -2,280
1988 5,529 -2,165 2,649 -2,138
1987 5,958 -2,569 2,646 -1,970
1986 6,097 -2,747 2,704 -2,650
1985 6,283 -3,013 2,762 -2,775
1984 6,337 -3,074 2,814 -2,823
1983 6,482 -3,190 2,840 -2,840
1982 6,419 -3,151 2,853 -2,814
1981 6,275 -2,287 2,882 -2,778
1980 6,383 -450 2,885 -2,708
1979 6,139 -718 2,884 -2,604
1978 6,408 -1,103 2,862 -2,457
1977 6,650 -1,364 2,822 -2,273
1976 6,845 -1,447 2,769 -523
1975 6,878 -1,588 2,709 -346
1974 6,919 -1,669 2,650 -344
1973 7,096 -1,778 2,617 -1,168
1972 7,252 -1,922 2,605 -1,153
1971 7,168 -1,856 2,611 -1,138
1970 7,069 -2,013 2,628 -1,122
1969 7,449 -2,456 2,632 -1,101
1968 7,497 -2,404 2,614 -1,078
1967 7,961 -2,519 2,603 -1,060
1966 8,661 -2,751 2,550 -465
1965 9,010 -2,743 2,498 -426
1964 9,227 -2,734 2,445 -428
1963 9,449 -2,800 2,394 -426
1962 9,402 -2,606 2,343 -420
1961 9,278 -2,254 2,284 -401
1960 9,144 -2,467 2,230 -384

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

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

Over the last 10 years, 34.5% of the population change in Montenegro is from natural causes (a gain of 3,565 people) and 65.5% is from migration (a gain of 6,766 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, 92,237 residents or 14.4% of the population were not native-born in Montenegro, compared to 3,581 people or 3.4% in Tonga.

Biggest cities by population

Montenegro
City Population
Podgorica 151K
Cetinje 14K
Plav 13.8K
Bar 13.7K
Budva 13.3K
Ulcinj 11.5K
Berane 11.1K
Mojkovac 3.59K
Kotor 961
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/montenegro/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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