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Population in Tanzania compared to the United States: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Tanzania was 70,545,865 in 2025 vs 341,784,857 people in the United States in 2025. In 2026, based on the adjusted UN estimation, the current Tanzania's population is 73,639,263 people compared to 344,434,632 in the United States.

Population statistics:

  • The United States' population is 4.68 times bigger than Tanzania's.
  • Tanzania is ranked the 20th most populous country in the world, while the United States is the 3rd.
  • The countries together account for 5.03% of the world: 0.89% for Tanzania vs 4.15% for the United States.
  • For the last 10 years, Tanzania has had an average growth rate of +3.11% per year vs +0.65% in the United States.
  • Since 2006, the population of Tanzania has increased from 40.3M people to 73.6M (82.8% growth), while the United States has grown from 298M to 344M (15.4% growth).

Tanzania vs United States: population by year and forecast

Tanzania
Factual

Projection
United States
Factual

Projection
1x
Year Population
Tanzania United States
2100 265,471,550 415,429,771
2099 263,137,702 414,829,167
2098 260,784,676 414,231,720
2097 258,387,890 413,576,381
2096 255,972,277 412,927,393
2095 253,543,248 412,225,379
2094 251,095,452 411,498,749
2093 248,605,184 410,785,729
2092 246,083,651 410,051,921
2091 243,533,968 409,320,183
2090 240,979,094 408,613,732
2089 238,393,867 407,885,645
2088 235,775,056 407,129,733
2087 233,145,231 406,421,298
2086 230,474,072 405,715,343
2085 227,778,580 405,059,379
2084 225,090,075 404,343,130
2083 222,400,079 403,612,785
2082 219,697,321 402,871,293
2081 216,974,796 402,054,554
2080 214,235,505 401,319,194
2079 211,466,096 400,554,914
2078 208,688,171 399,737,968
2077 205,898,494 398,906,565
2076 203,086,766 398,035,750
2075 200,278,383 397,109,170
2074 197,449,196 396,226,412
2073 194,624,081 395,307,725
2072 191,805,820 394,393,561
2071 188,974,004 393,415,363
2070 186,134,634 392,469,727
2069 183,293,747 391,479,981
2068 180,458,385 390,517,695
2067 177,622,538 389,543,856
2066 174,786,430 388,597,719
2065 171,897,059 387,685,327
2064 169,048,435 386,805,026
2063 166,202,091 385,911,917
2062 163,354,473 385,032,627
2061 160,521,858 384,170,837
2060 157,707,240 383,361,269
2059 154,905,240 382,542,030
2058 152,106,040 381,704,804
2057 149,311,257 380,907,023
2056 146,505,507 380,159,777
2055 143,722,840 379,430,756
2054 140,970,467 378,682,851
2053 138,249,490 377,878,421
2052 135,540,803 377,073,303
2051 132,838,721 376,229,840
2050 130,145,345 375,373,155
2049 127,483,126 374,493,150
2048 124,809,212 373,590,762
2047 122,146,647 372,626,259
2046 119,511,124 371,644,809
2045 116,903,642 370,602,914
2044 114,318,843 369,518,897
2043 111,765,580 368,375,680
2042 109,231,423 367,158,772
2041 106,738,458 365,937,822
2040 104,262,479 364,671,837
2039 101,804,600 363,367,337
2038 99,370,760 361,997,023
2037 96,974,485 360,606,236
2036 94,592,848 359,193,245
2035 92,248,476 357,750,686
2034 89,920,872 356,266,726
2033 87,646,627 354,775,032
2032 85,401,853 353,259,037
2031 83,172,579 351,721,511
2030 80,989,443 350,155,042
2029 78,830,947 348,564,667
2028 76,723,335 346,906,294
2027 74,639,948 345,257,605
2026 72,582,361 343,565,426
2025 70,545,865 341,784,857
2024 68,560,157 340,110,988
2023 66,617,606 334,914,895
2022 64,711,821 333,271,411
2021 62,830,412 331,893,745
2020 60,972,798 331,526,933
2019 59,174,891 328,329,953
2018 57,437,145 326,838,199
2017 55,652,890 325,122,128
2016 53,824,013 323,071,755
2015 52,020,962 320,738,994
2014 50,351,512 318,386,329
2013 48,824,128 316,059,947
2012 47,374,260 313,877,662
2011 46,029,367 311,583,481
2010 44,758,488 309,327,143
2009 43,633,982 306,771,529
2008 42,570,728 304,093,966
2007 41,435,512 301,231,207
2006 40,294,902 298,379,912
2005 39,182,076 295,516,599
2004 38,109,668 292,805,298
2003 37,089,555 290,107,933
2002 36,121,304 287,625,193
2001 35,198,299 284,968,955
2000 34,260,139 282,162,411
1999 33,300,330 279,294,713
1998 32,420,458 276,115,288
1997 31,578,089 272,911,760
1996 30,945,762 269,667,391
1995 30,383,497 266,557,091
1994 29,442,356 263,435,673
1993 28,332,692 260,255,352
1992 27,457,588 256,894,189
1991 26,780,436 253,492,503
1990 26,110,207 250,131,894
1989 25,438,759 246,819,222
1988 24,769,686 244,499,004
1987 24,030,378 242,288,936
1986 23,258,959 240,132,831
1985 22,501,693 237,923,734
1984 21,779,066 235,824,908
1983 21,079,874 233,792,014
1982 20,398,571 231,664,432
1981 19,784,703 229,465,744
1980 19,189,769 226,542,250
1979 18,592,038 225,055,487
1978 17,976,566 222,584,545
1977 17,352,929 220,239,425
1976 16,736,211 218,035,164
1975 16,138,361 215,973,199
1974 15,561,630 213,853,928
1973 15,010,101 211,908,788
1972 14,479,308 209,896,021
1971 13,971,451 207,660,677
1970 13,492,677 205,052,174
1969 13,036,700 202,676,946
1968 12,602,076 200,706,052
1967 12,200,109 198,712,056
1966 11,827,459 196,560,338
1965 11,470,728 194,302,963
1964 11,127,826 191,888,791
1963 10,799,528 189,241,798
1962 10,487,756 186,537,737
1961 10,187,886 183,691,481
1960 9,901,419 180,671,158

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/tanzania/united-states | CC BY

From 2006 to 2016, the population of Tanzania increased by 13,529,111 people (a 33.6% growth), while the United States gained 24,691,843 people (a 8.28% growth).

For the next 10 years, from 2016 to 2026, Tanzania gained 19,815,250 people (a 36.8% growth), while the United States' population increased by 21,362,877 people (a 6.61% growth).

Tanzania was ranked 30th most populous country in 2006 and is 20th in 2026. The United States was ranked 3rd in 2006 and still ranked 3rd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Tanzania's population will grow by 76.7% to 130,145,345 people with a rank change from 20th to 15th. The population of the United States will increase by 8.98% to 375,373,155 people and will still be ranked 3rd.

Tanzania is projected to reach its peak in 2100 at 265M people compared to the peak of 415M people in 2100 for the United States.

Population growth rate by year

Tanzania
Factual

Projection
United States
Factual

Projection
1x
Year Growth rate
Tanzania United States
2100 0.89% 0.14%
2099 0.9% 0.14%
2098 0.93% 0.16%
2097 0.94% 0.16%
2096 0.96% 0.17%
2095 0.97% 0.18%
2094 1% 0.17%
2093 1.02% 0.18%
2092 1.05% 0.18%
2091 1.06% 0.17%
2090 1.08% 0.18%
2089 1.11% 0.19%
2088 1.13% 0.17%
2087 1.16% 0.17%
2086 1.18% 0.16%
2085 1.19% 0.18%
2084 1.21% 0.18%
2083 1.23% 0.18%
2082 1.25% 0.2%
2081 1.28% 0.18%
2080 1.31% 0.19%
2079 1.33% 0.2%
2078 1.35% 0.21%
2077 1.38% 0.22%
2076 1.4% 0.23%
2075 1.43% 0.22%
2074 1.45% 0.23%
2073 1.47% 0.23%
2072 1.5% 0.25%
2071 1.53% 0.24%
2070 1.55% 0.25%
2069 1.57% 0.25%
2068 1.6% 0.25%
2067 1.62% 0.24%
2066 1.68% 0.24%
2065 1.69% 0.23%
2064 1.71% 0.23%
2063 1.74% 0.23%
2062 1.76% 0.22%
2061 1.78% 0.21%
2060 1.81% 0.21%
2059 1.84% 0.22%
2058 1.87% 0.21%
2057 1.92% 0.2%
2056 1.94% 0.19%
2055 1.95% 0.2%
2054 1.97% 0.21%
2053 2% 0.21%
2052 2.03% 0.22%
2051 2.07% 0.23%
2050 2.09% 0.23%
2049 2.14% 0.24%
2048 2.18% 0.26%
2047 2.21% 0.26%
2046 2.23% 0.28%
2045 2.26% 0.29%
2044 2.28% 0.31%
2043 2.32% 0.33%
2042 2.34% 0.33%
2041 2.37% 0.35%
2040 2.41% 0.36%
2039 2.45% 0.38%
2038 2.47% 0.39%
2037 2.52% 0.39%
2036 2.54% 0.4%
2035 2.59% 0.42%
2034 2.59% 0.42%
2033 2.63% 0.43%
2032 2.68% 0.44%
2031 2.7% 0.45%
2030 2.74% 0.46%
2029 2.75% 0.48%
2028 2.79% 0.48%
2027 2.83% 0.49%
2026 2.89% 0.52%
2025 2.9% 0.49%
2024 2.92% 1.55%
2023 2.95% 0.49%
2022 2.99% 0.42%
2021 3.05% 0.11%
2020 3.04% 0.97%
2019 3.03% 0.46%
2018 3.21% 0.53%
2017 3.4% 0.63%
2016 3.47% 0.73%
2015 3.32% 0.74%
2014 3.13% 0.74%
2013 3.06% 0.7%
2012 2.92% 0.74%
2011 2.84% 0.73%
2010 2.58% 0.83%
2009 2.5% 0.88%
2008 2.74% 0.95%
2007 2.83% 0.96%
2006 2.84% 0.97%
2005 2.81% 0.93%
2004 2.75% 0.93%
2003 2.68% 0.86%
2002 2.62% 0.93%
2001 2.74% 0.99%
2000 2.88% 1.03%
1999 2.71% 1.15%
1998 2.67% 1.17%
1997 2.04% 1.2%
1996 1.85% 1.17%
1995 3.2% 1.18%
1994 3.92% 1.22%
1993 3.19% 1.31%
1992 2.53% 1.34%
1991 2.57% 1.34%
1990 2.64% 1.34%
1989 2.7% 0.95%
1988 3.08% 0.91%
1987 3.32% 0.9%
1986 3.37% 0.93%
1985 3.32% 0.89%
1984 3.32% 0.87%
1983 3.34% 0.92%
1982 3.1% 0.96%
1981 3.1% 1.29%
1980 3.21% 0.66%
1979 3.42% 1.11%
1978 3.59% 1.06%
1977 3.68% 1.01%
1976 3.7% 0.95%
1975 3.71% 0.99%
1974 3.67% 0.92%
1973 3.67% 0.96%
1972 3.63% 1.08%
1971 3.55% 1.27%
1970 3.5% 1.17%
1969 3.45% 0.98%
1968 3.29% 1%
1967 3.15% 1.09%
1966 3.11% 1.16%
1965 3.08% 1.26%
1964 3.04% 1.4%
1963 2.97% 1.45%
1962 2.94% 1.55%
1961 2.89% 1.67%
1960 - 1.6%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/tanzania/united-states | CC BY

In 2025, the population of Tanzania grew by 2.9%, while the United States' population grew by 0.49%.

Live population counters

Tanzania United States
Current population
73639263
344434632
Population rank 20/197 3/197
Percent of world population 0.89% 4.15%
One net population change
15.9 seconds
18.9 seconds
One birth every
13.2 seconds
8.75 seconds
One death every
1.34 minutes
10.3 seconds
Daily growth/decline +5,440 +4,586
Annual growth/decline +1,985,708 +1,673,869
Annual growth/decline rate +2.9% +0.49%
Population growth rate rank 16/197 128/197
One migration net change every
41.4 minutes
25.7 seconds
Annual migration change -12,730 +1,230,663
Net migration rank 139/196 2/196
Foreign-born residents 462,371 52,375,047
Foreign-born residents rank 83/195 1/195
Foreign-born share of population 0.7% 15.2%
Foreign-born share rank 167/195 41/195

Natural population change vs migration

Tanzania
Natural

Migration
United States
Natural

Migration
1x
Year Population change
Tanzania United States
Natural Migration Natural Migration
2025 - -12,730 - 1,230,663
2024 1,993,730 -29,865 544,178 1,286,132
2023 1,960,623 -39,388 502,372 1,322,668
2022 1,927,960 -37,557 399,926 1,319,009
2021 1,880,137 -7,704 199,137 674,787
2020 1,861,377 -18,587 208,862 329,769
2019 1,816,669 -63,602 887,476 1,774,500
2018 1,777,852 -55,444 955,022 1,764,961
2017 1,726,909 119,142 1,028,037 1,864,738
2016 1,659,502 152,194 1,197,627 1,889,129
2015 1,592,882 201,495 1,270,126 1,722,127
2014 1,565,630 -21,083 1,357,281 1,672,598
2013 1,509,008 1,241 1,322,711 1,663,885
2012 1,439,325 -49,875 1,411,822 1,632,007
2011 1,384,886 -84,546 1,441,697 1,624,033
2010 1,363,477 -122,020 1,548,182 1,594,453
2009 1,332,015 -324,478 1,717,920 1,387,306
2008 1,303,728 -184,816 1,794,154 1,416,841
2007 1,278,285 -126,793 1,897,757 1,371,353
2006 1,257,927 -128,231 1,849,955 1,347,750
2005 1,224,165 -128,251 1,684,445 1,369,224
2004 1,175,379 -126,490 1,698,271 1,313,467
2003 1,118,435 -127,101 1,653,615 1,331,376
2002 1,063,195 -118,047 1,581,938 1,336,518
2001 1,026,242 -125,375 1,595,826 1,312,455
2000 985,185 -9,701 1,664,758 1,248,392
1999 948,659 -4,489 1,564,050 1,156,311
1998 920,806 -105,184 1,573,857 1,225,134
1997 882,544 -13,400 1,501,014 1,116,922
1996 868,524 -473,007 1,510,137 1,141,648
1995 838,980 -109,971 1,546,031 1,173,016
1994 803,953 349,348 1,633,302 1,179,309
1993 778,044 288,004 1,717,685 1,228,478
1992 767,961 -83,825 1,875,328 1,304,880
1991 762,011 -91,851 1,926,543 1,202,426
1990 750,825 -80,529 2,026,068 1,084,720
1989 743,854 -71,268 1,875,826 400,998
1988 736,551 -71,012 1,735,943 460,778
1987 718,580 94,498 1,720,252 480,815
1986 705,677 24,101 1,656,917 493,082
1985 697,867 86,864 1,689,258 598,777
1984 687,435 -26,938 1,627,192 622,793
1983 679,720 58,161 1,636,544 662,840
1982 662,627 -37,883 1,714,317 600,149
1981 645,496 -42,485 1,652,153 583,070
1980 629,444 -42,588 1,608,450 595,916
1979 613,388 -4,792 1,597,894 503,559
1978 595,024 27,307 1,402,283 556,521
1977 574,938 49,997 1,431,556 577,060
1976 553,617 54,875 1,264,604 635,590
1975 533,906 53,290 1,252,644 655,078
1974 515,152 51,127 1,218,968 706,978
1973 488,429 48,363 1,165,499 783,163
1972 467,305 57,489 1,301,355 833,543
1971 449,014 41,900 1,640,519 833,549
1970 427,988 38,635 1,824,965 744,902
1969 408,322 37,006 1,702,487 523,740
1968 389,467 34,455 1,565,507 594,514
1967 374,763 5,265 1,669,181 585,410
1966 360,229 5,049 1,749,387 637,692
1965 343,456 4,742 1,943,030 644,902
1964 328,527 9,090 2,245,099 618,635
1963 314,644 4,333 2,289,826 639,495
1962 300,663 3,916 2,406,337 625,617
1961 286,839 8,338 2,571,681 580,333
1960 275,814 1,946 2,565,530 422,708

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); U.S. Census Bureau (1960–2024, retrieved 2026-07-08).

GeoRank.org/population/tanzania/united-states | CC BY

Over the last 10 years, 98.8% of the population change in Tanzania is from natural causes (a gain of 18,197,641 people) and 1.2% is from migration (a gain of 220,684 people). In the United States 34% is from natural causes (a gain of 7,192,763 people) and 66% is from migration (a gain of 13,947,820 people).

As of 2024, 462,371 residents or 0.7% of the population were not native-born in Tanzania, compared to 52,375,047 people or 15.2% in the United States.

Biggest cities by population

Tanzania
City Population
Dar es Salaam 4.72M
Zanzibar 710K
Mwanza 706K
Mbeya 542K
Morogoro 471K
Arusha 416K
Tanga 221K
Dodoma 214K
Moshi 145K
United States
City Population
New York 8.8M
Los Angeles 3.9M
Chicago 2.75M
Houston 2.3M
Phoenix 1.61M
Philadelphia 1.6M
San Antonio 1.43M
San Diego 1.39M
Dallas 1.3M
San Jose 1.01M

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/tanzania/united-states | 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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