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Population in the Congo compared to Thailand: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of the Congo was 6,484,437 in 2025 vs 71,619,863 people in Thailand in 2025. In 2026, based on the adjusted UN estimation, the current Congo's population is 6,718,789 people compared to 71,565,981 in Thailand.

Population statistics:

  • Thailand's population is 10.7 times bigger than the Congo's.
  • The Congo is ranked the 109th most populous country in the world, while Thailand is the 21st.
  • The countries together account for 0.94% of the world: 0.08% for the Congo vs 0.86% for Thailand.
  • For the last 10 years, the Congo has had an average growth rate of +2.44% per year vs +0.18% in Thailand.
  • Since 2006, the population of the Congo has increased from 3.84M people to 6.72M (75.1% growth), while Thailand has grown from 66.6M to 71.6M (7.51% growth).

Congo vs Thailand: population by year and forecast

Congo
Factual

Projection
Thailand
Factual

Projection
1x
Year Population
Congo Thailand
2100 20,194,267 45,708,431
2099 20,053,234 46,053,146
2098 19,906,909 46,403,189
2097 19,760,110 46,757,918
2096 19,610,521 47,118,652
2095 19,459,493 47,484,043
2094 19,306,835 47,853,561
2093 19,151,289 48,226,682
2092 18,990,577 48,605,235
2091 18,828,222 48,984,504
2090 18,663,146 49,368,049
2089 18,497,842 49,756,629
2088 18,325,571 50,142,276
2087 18,153,731 50,532,164
2086 17,979,773 50,925,294
2085 17,807,843 51,321,960
2084 17,631,386 51,724,454
2083 17,453,221 52,127,592
2082 17,270,773 52,533,368
2081 17,093,270 52,938,345
2080 16,910,570 53,347,733
2079 16,728,955 53,762,492
2078 16,542,829 54,177,529
2077 16,357,926 54,595,112
2076 16,173,005 55,015,291
2075 15,981,904 55,438,108
2074 15,791,626 55,867,914
2073 15,597,321 56,300,358
2072 15,402,110 56,735,274
2071 15,205,567 57,172,515
2070 15,009,147 57,616,731
2069 14,808,250 58,061,962
2068 14,609,790 58,512,248
2067 14,412,802 58,962,990
2066 14,211,022 59,413,893
2065 14,010,661 59,873,261
2064 13,810,933 60,331,851
2063 13,609,626 60,792,306
2062 13,405,080 61,257,068
2061 13,204,362 61,720,030
2060 13,004,957 62,187,380
2059 12,806,162 62,651,158
2058 12,609,233 63,113,332
2057 12,413,395 63,572,746
2056 12,217,406 64,027,520
2055 12,022,740 64,473,146
2054 11,824,813 64,912,210
2053 11,627,983 65,338,122
2052 11,431,875 65,758,061
2051 11,235,188 66,162,612
2050 11,039,311 66,552,915
2049 10,844,973 66,931,487
2048 10,650,230 67,291,479
2047 10,453,401 67,636,461
2046 10,258,550 67,967,131
2045 10,063,886 68,281,902
2044 9,871,213 68,579,656
2043 9,676,000 68,864,788
2042 9,482,485 69,133,982
2041 9,287,235 69,390,832
2040 9,096,577 69,626,857
2039 8,907,177 69,848,522
2038 8,719,250 70,056,903
2037 8,532,935 70,250,371
2036 8,348,719 70,429,677
2035 8,166,676 70,599,021
2034 7,985,679 70,751,094
2033 7,805,748 70,891,510
2032 7,628,440 71,019,665
2031 7,453,476 71,134,882
2030 7,284,111 71,241,584
2029 7,117,929 71,337,147
2028 6,955,268 71,423,119
2027 6,794,778 71,499,411
2026 6,638,532 71,565,981
2025 6,484,437 71,619,863
2024 6,332,961 71,668,011
2023 6,182,885 71,702,435
2022 6,035,104 71,735,329
2021 5,892,183 71,727,332
2020 5,752,791 71,641,484
2019 5,616,661 71,522,271
2018 5,483,118 71,376,079
2017 5,351,011 71,160,187
2016 5,222,536 70,859,841
2015 5,097,581 70,540,795
2014 4,975,880 70,216,367
2013 4,857,099 69,845,114
2012 4,740,450 69,436,098
2011 4,609,724 69,007,208
2010 4,462,290 68,579,447
2009 4,281,219 68,121,080
2008 4,113,517 67,619,830
2007 3,980,430 67,102,394
2006 3,837,409 66,567,687
2005 3,696,393 66,017,420
2004 3,565,554 65,452,047
2003 3,445,753 64,868,166
2002 3,350,771 64,266,437
2001 3,272,537 63,651,141
2000 3,151,345 63,007,815
1999 3,032,874 62,299,043
1998 2,952,061 61,522,630
1997 2,887,862 60,724,584
1996 2,826,785 59,920,064
1995 2,749,461 59,098,232
1994 2,673,144 58,260,854
1993 2,595,124 57,408,198
1992 2,519,465 56,528,834
1991 2,449,229 55,637,434
1990 2,380,560 54,738,329
1989 2,313,558 53,848,956
1988 2,247,653 52,969,595
1987 2,183,473 52,074,105
1986 2,120,602 51,177,834
1985 2,059,311 50,270,753
1984 1,999,528 49,351,708
1983 1,950,321 48,423,309
1982 1,910,430 47,494,577
1981 1,869,759 46,575,855
1980 1,828,985 45,650,022
1979 1,788,524 44,718,434
1978 1,748,089 43,788,976
1977 1,707,568 42,843,974
1976 1,667,225 41,896,504
1975 1,627,032 40,940,005
1974 1,582,301 39,952,891
1973 1,533,680 38,947,787
1972 1,486,468 37,933,929
1971 1,441,039 36,937,387
1970 1,397,638 35,954,408
1969 1,356,182 34,973,782
1968 1,316,519 34,002,560
1967 1,278,691 33,037,801
1966 1,242,534 32,086,071
1965 1,207,880 31,149,337
1964 1,174,816 30,232,141
1963 1,143,263 29,342,322
1962 1,113,175 28,481,040
1961 1,084,389 27,650,334
1960 1,056,732 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/congo/thailand | CC BY

From 2006 to 2016, the population of the Congo increased by 1,385,127 people (a 36.1% growth), while Thailand gained 4,292,154 people (a 6.45% growth).

For the next 10 years, from 2016 to 2026, the Congo gained 1,496,253 people (a 28.6% growth), while Thailand's population increased by 706,140 people (a 1% growth).

The Congo was ranked 125th most populous country in 2006 and is 109th 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) the Congo's population will grow by 64.3% to 11,039,311 people with a rank change from 109th to 95th. The population of Thailand will decrease by 7% to 66,552,915 people and rank change from 21st to 31st.

The Congo is projected to reach its peak in 2100 at 20.2M people, while Thailand's population already peaked in 2022 at 71.7M people and is projected to decrease to 45.7M people by 2100.

Population growth rate by year

Congo
Factual

Projection
Thailand
Factual

Projection
1x
Year Growth rate
Congo Thailand
2100 0.7% -0.75%
2099 0.74% -0.75%
2098 0.74% -0.76%
2097 0.76% -0.77%
2096 0.78% -0.77%
2095 0.79% -0.77%
2094 0.81% -0.77%
2093 0.85% -0.78%
2092 0.86% -0.77%
2091 0.88% -0.78%
2090 0.89% -0.78%
2089 0.94% -0.77%
2088 0.95% -0.77%
2087 0.97% -0.77%
2086 0.97% -0.77%
2085 1% -0.78%
2084 1.02% -0.77%
2083 1.06% -0.77%
2082 1.04% -0.76%
2081 1.08% -0.77%
2080 1.09% -0.77%
2079 1.13% -0.77%
2078 1.13% -0.76%
2077 1.14% -0.76%
2076 1.2% -0.76%
2075 1.2% -0.77%
2074 1.25% -0.77%
2073 1.27% -0.77%
2072 1.29% -0.76%
2071 1.31% -0.77%
2070 1.36% -0.77%
2069 1.36% -0.77%
2068 1.37% -0.76%
2067 1.42% -0.76%
2066 1.43% -0.77%
2065 1.45% -0.76%
2064 1.48% -0.76%
2063 1.53% -0.76%
2062 1.52% -0.75%
2061 1.53% -0.75%
2060 1.55% -0.74%
2059 1.56% -0.73%
2058 1.58% -0.72%
2057 1.6% -0.71%
2056 1.62% -0.69%
2055 1.67% -0.68%
2054 1.69% -0.65%
2053 1.72% -0.64%
2052 1.75% -0.61%
2051 1.77% -0.59%
2050 1.79% -0.57%
2049 1.83% -0.53%
2048 1.88% -0.51%
2047 1.9% -0.49%
2046 1.93% -0.46%
2045 1.95% -0.43%
2044 2.02% -0.41%
2043 2.04% -0.39%
2042 2.1% -0.37%
2041 2.1% -0.34%
2040 2.13% -0.32%
2039 2.16% -0.3%
2038 2.18% -0.28%
2037 2.21% -0.25%
2036 2.23% -0.24%
2035 2.27% -0.21%
2034 2.31% -0.2%
2033 2.32% -0.18%
2032 2.35% -0.16%
2031 2.33% -0.15%
2030 2.33% -0.13%
2029 2.34% -0.12%
2028 2.36% -0.11%
2027 2.35% -0.09%
2026 2.38% -0.08%
2025 2.39% -0.07%
2024 2.43% -0.05%
2023 2.45% -0.05%
2022 2.43% 0.01%
2021 2.42% 0.12%
2020 2.42% 0.17%
2019 2.44% 0.2%
2018 2.47% 0.3%
2017 2.46% 0.42%
2016 2.45% 0.45%
2015 2.45% 0.46%
2014 2.45% 0.53%
2013 2.46% 0.59%
2012 2.84% 0.62%
2011 3.3% 0.62%
2010 4.23% 0.67%
2009 4.08% 0.74%
2008 3.34% 0.77%
2007 3.73% 0.8%
2006 3.81% 0.83%
2005 3.67% 0.86%
2004 3.48% 0.9%
2003 2.83% 0.94%
2002 2.39% 0.97%
2001 3.85% 1.02%
2000 3.91% 1.14%
1999 2.74% 1.26%
1998 2.22% 1.31%
1997 2.16% 1.34%
1996 2.81% 1.39%
1995 2.85% 1.44%
1994 3.01% 1.49%
1993 3% 1.56%
1992 2.87% 1.6%
1991 2.88% 1.64%
1990 2.9% 1.65%
1989 2.93% 1.66%
1988 2.94% 1.72%
1987 2.96% 1.75%
1986 2.98% 1.8%
1985 2.99% 1.86%
1984 2.52% 1.92%
1983 2.09% 1.96%
1982 2.18% 1.97%
1981 2.23% 2.03%
1980 2.26% 2.08%
1979 2.31% 2.12%
1978 2.37% 2.21%
1977 2.42% 2.26%
1976 2.47% 2.34%
1975 2.83% 2.47%
1974 3.17% 2.58%
1973 3.18% 2.67%
1972 3.15% 2.7%
1971 3.11% 2.73%
1970 3.06% 2.8%
1969 3.01% 2.86%
1968 2.96% 2.92%
1967 2.91% 2.97%
1966 2.87% 3.01%
1965 2.81% 3.03%
1964 2.76% 3.03%
1963 2.7% 3.02%
1962 2.65% 3%
1961 2.62% 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/congo/thailand | CC BY

In 2025, the population of the Congo grew by 2.39%, while Thailand's population declined by 0.07%.

Live population counters

Congo Thailand
Current population
6718789
71565981
Population rank 109/197 21/197
Percent of world population 0.08% 0.86%
One net population change
3.48 minutes
10.9 minutes
One birth every
2.73 minutes
54.2 seconds
One death every
13.3 minutes
48.7 seconds
Daily growth/decline +415 -132
Annual growth/decline +151,476 -48,148
Annual growth/decline rate +2.39% -0.07%
Population growth rate rank 31/197 164/197
One migration net change every
2.93 hours
19.2 minutes
Annual migration change -2,999 +27,509
Net migration rank 108/196 30/196
Foreign-born residents 385,589 3,179,399
Foreign-born residents rank 91/195 21/195
Foreign-born share of population 6.1% 4.4%
Foreign-born share rank 86/195 100/195

Natural population change vs migration

Congo
Natural

Migration
Thailand
Natural

Migration
1x
Year Population change
Congo Thailand
Natural Migration Natural Migration
2025 - -2,999 - 27,509
2024 153,150 -2,491 -65,720 23,321
2023 150,486 -995 -46,105 19,648
2022 147,076 -995 -61,046 21,683
2021 144,241 -4,476 57,382 -2,093
2020 143,492 -4,472 84,107 32,277
2019 139,513 -6,268 116,867 5,221
2018 142,704 -8,856 159,383 10,984
2017 141,973 -11,601 194,695 66,805
2016 141,358 -14,783 226,255 112,978
2015 141,539 -18,207 266,362 32,500
2014 141,674 -21,598 294,628 55,358
2013 142,080 -24,605 325,059 67,452
2012 142,464 -26,643 351,485 74,033
2011 140,371 5,262 365,670 66,607
2010 136,908 12,318 370,466 52,791
2009 126,904 86,014 382,636 110,883
2008 120,711 1,774 401,730 107,333
2007 112,459 31,239 425,362 100,486
2006 106,876 35,475 441,211 102,362
2005 101,344 38,337 456,378 100,542
2004 96,577 25,412 466,542 107,199
2003 91,326 26,280 488,003 105,917
2002 88,497 -16,140 504,299 105,215
2001 84,876 -764 524,230 96,817
2000 78,491 79,780 543,884 121,640
1999 76,204 2,470 578,073 173,924
1998 72,450 10,500 617,318 183,471
1997 66,149 -20,704 644,834 150,411
1996 75,628 1,085 661,397 152,397
1995 74,189 3,747 682,703 147,226
1994 72,857 1,850 712,589 132,271
1993 71,119 10,218 737,696 122,746
1992 69,973 0 754,999 143,318
1991 68,534 1,966 760,508 124,034
1990 67,241 -395 760,808 152,916
1989 65,944 1,214 774,563 90,497
1988 64,629 22 765,252 128,469
1987 63,183 525 774,498 122,791
1986 61,669 367 783,430 111,820
1985 60,359 182 776,935 141,963
1984 59,028 0 779,856 139,345
1983 58,120 -18,720 794,239 143,393
1982 57,036 -16,664 817,951 101,885
1981 56,603 -15,630 839,297 78,337
1980 55,550 -14,972 845,575 88,478
1979 54,723 -14,378 843,434 85,693
1978 53,885 -13,356 847,799 82,011
1977 53,179 -12,673 871,232 88,937
1976 52,148 -11,971 894,072 40,656
1975 51,155 -10,944 911,980 66,306
1974 49,563 -312 923,151 72,801
1973 48,017 -22 933,540 80,704
1972 46,427 0 940,420 73,082
1971 44,431 0 936,215 43,400
1970 42,374 0 937,116 49,221
1969 40,532 0 948,314 26,551
1968 38,786 0 953,806 13,718
1967 36,866 0 944,980 17,005
1966 35,452 0 929,469 12,016
1965 33,865 0 909,000 22,995
1964 32,270 0 885,137 17,249
1963 30,832 0 860,728 16,494
1962 29,342 0 828,741 16,605
1961 28,220 0 801,140 14,968
1960 27,094 0 774,190 6,886

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

GeoRank.org/population/congo/thailand | CC BY

Over the last 10 years, 95.2% of the population change in the Congo is from natural causes (a gain of 1,445,532 people) and 4.82% is from migration (a loss of 73,144 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, 385,589 residents or 6.1% of the population were not native-born in the Congo, compared to 3,179,399 people or 4.4% in Thailand.

Biggest cities by population

Congo
City Population
Brazzaville 2.15M
Pointe-Noire 1.42M
Kayes 127K
Madingou 36.2K
Gamboma 26.1K
Kinkala 12.1K
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/congo/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. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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