Skip to content

Population in Oman compared to Tanzania: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Oman was 5,494,691 in 2025 vs 70,545,865 people in Tanzania in 2025. In 2026, based on the adjusted UN estimation, the current Oman's population is 5,775,345 people compared to 73,639,263 in Tanzania.

Population statistics:

  • Tanzania's population is 12.8 times bigger than Oman's.
  • Oman is ranked the 118th most populous country in the world, while Tanzania is the 20th.
  • The countries together account for 0.96% of the world: 0.07% for Oman vs 0.89% for Tanzania.
  • For the last 10 years, Oman has had an average growth rate of +2.96% per year vs +3.11% in Tanzania.
  • Since 2006, the population of Oman has increased from 2.51M people to 5.78M (129.7% growth), while Tanzania has grown from 40.3M to 73.6M (82.8% growth).

Oman vs Tanzania: population by year and forecast

Oman
Factual

Projection
Tanzania
Factual

Projection
1x
Year Population
Oman Tanzania
2100 12,271,138 265,471,550
2099 12,189,126 263,137,702
2098 12,106,527 260,784,676
2097 12,023,414 258,387,890
2096 11,939,950 255,972,277
2095 11,856,068 253,543,248
2094 11,771,790 251,095,452
2093 11,687,164 248,605,184
2092 11,602,253 246,083,651
2091 11,517,204 243,533,968
2090 11,432,016 240,979,094
2089 11,346,729 238,393,867
2088 11,261,515 235,775,056
2087 11,176,614 233,145,231
2086 11,091,765 230,474,072
2085 11,007,142 227,778,580
2084 10,922,731 225,090,075
2083 10,838,447 222,400,079
2082 10,754,297 219,697,321
2081 10,670,483 216,974,796
2080 10,586,785 214,235,505
2079 10,503,234 211,466,096
2078 10,419,787 208,688,171
2077 10,336,364 205,898,494
2076 10,252,916 203,086,766
2075 10,169,444 200,278,383
2074 10,085,876 197,449,196
2073 10,002,028 194,624,081
2072 9,917,703 191,805,820
2071 9,832,854 188,974,004
2070 9,747,714 186,134,634
2069 9,662,064 183,293,747
2068 9,575,805 180,458,385
2067 9,488,969 177,622,538
2066 9,401,396 174,786,430
2065 9,313,366 171,897,059
2064 9,224,699 169,048,435
2063 9,135,431 166,202,091
2062 9,045,431 163,354,473
2061 8,954,738 160,521,858
2060 8,863,401 157,707,240
2059 8,771,240 154,905,240
2058 8,678,241 152,106,040
2057 8,584,641 149,311,257
2056 8,490,445 146,505,507
2055 8,395,691 143,722,840
2054 8,300,516 140,970,467
2053 8,205,120 138,249,490
2052 8,109,685 135,540,803
2051 8,014,625 132,838,721
2050 7,919,979 130,145,345
2049 7,825,999 127,483,126
2048 7,732,641 124,809,212
2047 7,640,024 122,146,647
2046 7,547,980 119,511,124
2045 7,456,696 116,903,642
2044 7,366,027 114,318,843
2043 7,276,260 111,765,580
2042 7,187,395 109,231,423
2041 7,099,567 106,738,458
2040 7,012,893 104,262,479
2039 6,927,343 101,804,600
2038 6,842,697 99,370,760
2037 6,758,909 96,974,485
2036 6,675,887 94,592,848
2035 6,593,385 92,248,476
2034 6,511,234 89,920,872
2033 6,429,140 87,646,627
2032 6,346,783 85,401,853
2031 6,264,019 83,172,579
2030 6,180,534 80,989,443
2029 6,087,861 78,830,947
2028 5,983,340 76,723,335
2027 5,854,563 74,639,948
2026 5,691,677 72,582,361
2025 5,494,691 70,545,865
2024 5,281,538 68,560,157
2023 5,049,269 66,617,606
2022 4,730,226 64,711,821
2021 4,500,424 62,830,412
2020 4,522,497 60,972,798
2019 4,591,241 59,174,891
2018 4,597,877 57,437,145
2017 4,537,396 55,652,890
2016 4,390,877 53,824,013
2015 4,184,895 52,020,962
2014 4,002,439 50,351,512
2013 3,833,913 48,824,128
2012 3,547,106 47,374,260
2011 3,076,763 46,029,367
2010 2,757,446 44,758,488
2009 2,684,659 43,633,982
2008 2,626,529 42,570,728
2007 2,570,174 41,435,512
2006 2,514,795 40,294,902
2005 2,459,802 39,182,076
2004 2,404,821 38,109,668
2003 2,363,796 37,089,555
2002 2,337,140 36,121,304
2001 2,310,217 35,198,299
2000 2,282,131 34,260,139
1999 2,252,909 33,300,330
1998 2,222,489 32,420,458
1997 2,190,720 31,578,089
1996 2,156,926 30,945,762
1995 2,120,528 30,383,497
1994 2,081,834 29,442,356
1993 2,021,675 28,332,692
1992 1,938,238 27,457,588
1991 1,851,473 26,780,436
1990 1,763,954 26,110,207
1989 1,676,228 25,438,759
1988 1,588,568 24,769,686
1987 1,500,996 24,030,378
1986 1,413,419 23,258,959
1985 1,325,480 22,501,693
1984 1,247,716 21,779,066
1983 1,181,459 21,079,874
1982 1,117,678 20,398,571
1981 1,057,320 19,784,703
1980 1,001,248 19,189,769
1979 949,116 18,592,038
1978 900,304 17,976,566
1977 855,314 17,352,929
1976 814,701 16,736,211
1975 778,864 16,138,361
1974 746,988 15,561,630
1973 721,179 15,010,101
1972 700,593 14,479,308
1971 681,119 13,971,451
1970 662,680 13,492,677
1969 645,255 13,036,700
1968 628,798 12,602,076
1967 613,318 12,200,109
1966 598,804 11,827,459
1965 585,236 11,470,728
1964 572,577 11,127,826
1963 560,827 10,799,528
1962 549,941 10,487,756
1961 539,854 10,187,886
1960 530,485 9,901,419

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/oman/tanzania | CC BY

From 2006 to 2016, the population of Oman increased by 1,876,082 people (a 74.6% growth), while Tanzania gained 13,529,111 people (a 33.6% growth).

For the next 10 years, from 2016 to 2026, Oman gained 1,384,468 people (a 31.5% growth), while Tanzania's population increased by 19,815,250 people (a 36.8% growth).

Oman was ranked 138th most populous country in 2006 and is 118th in 2026. Tanzania was ranked 30th in 2006 and ranked 20th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Oman's population will grow by 37.1% to 7,919,979 people with a rank change from 118th to 113th. The population of Tanzania will increase by 76.7% to 130,145,345 people and rank change from 20th to 15th.

Oman is projected to reach its peak in 2100 at 12.3M people compared to the peak of 265M people in 2100 for Tanzania.

Population growth rate by year

Oman
Factual

Projection
Tanzania
Factual

Projection
1x
Year Growth rate
Oman Tanzania
2100 0.67% 0.89%
2099 0.68% 0.9%
2098 0.69% 0.93%
2097 0.7% 0.94%
2096 0.71% 0.96%
2095 0.72% 0.97%
2094 0.72% 1%
2093 0.73% 1.02%
2092 0.74% 1.05%
2091 0.75% 1.06%
2090 0.75% 1.08%
2089 0.76% 1.11%
2088 0.76% 1.13%
2087 0.76% 1.16%
2086 0.77% 1.18%
2085 0.77% 1.19%
2084 0.78% 1.21%
2083 0.78% 1.23%
2082 0.79% 1.25%
2081 0.79% 1.28%
2080 0.8% 1.31%
2079 0.8% 1.33%
2078 0.81% 1.35%
2077 0.81% 1.38%
2076 0.82% 1.4%
2075 0.83% 1.43%
2074 0.84% 1.45%
2073 0.85% 1.47%
2072 0.86% 1.5%
2071 0.87% 1.53%
2070 0.89% 1.55%
2069 0.9% 1.57%
2068 0.92% 1.6%
2067 0.93% 1.62%
2066 0.95% 1.68%
2065 0.96% 1.69%
2064 0.98% 1.71%
2063 0.99% 1.74%
2062 1.01% 1.76%
2061 1.03% 1.78%
2060 1.05% 1.81%
2059 1.07% 1.84%
2058 1.09% 1.87%
2057 1.11% 1.92%
2056 1.13% 1.94%
2055 1.15% 1.95%
2054 1.16% 1.97%
2053 1.18% 2%
2052 1.19% 2.03%
2051 1.2% 2.07%
2050 1.2% 2.09%
2049 1.21% 2.14%
2048 1.21% 2.18%
2047 1.22% 2.21%
2046 1.22% 2.23%
2045 1.23% 2.26%
2044 1.23% 2.28%
2043 1.24% 2.32%
2042 1.24% 2.34%
2041 1.24% 2.37%
2040 1.23% 2.41%
2039 1.24% 2.45%
2038 1.24% 2.47%
2037 1.24% 2.52%
2036 1.25% 2.54%
2035 1.26% 2.59%
2034 1.28% 2.59%
2033 1.3% 2.63%
2032 1.32% 2.68%
2031 1.35% 2.7%
2030 1.52% 2.74%
2029 1.75% 2.75%
2028 2.2% 2.79%
2027 2.86% 2.83%
2026 3.59% 2.89%
2025 4.04% 2.9%
2024 4.6% 2.92%
2023 6.74% 2.95%
2022 5.11% 2.99%
2021 -0.49% 3.05%
2020 -1.5% 3.04%
2019 -0.14% 3.03%
2018 1.33% 3.21%
2017 3.34% 3.4%
2016 4.92% 3.47%
2015 4.56% 3.32%
2014 4.4% 3.13%
2013 8.09% 3.06%
2012 15.3% 2.92%
2011 11.6% 2.84%
2010 2.71% 2.58%
2009 2.21% 2.5%
2008 2.19% 2.74%
2007 2.2% 2.83%
2006 2.24% 2.84%
2005 2.29% 2.81%
2004 1.74% 2.75%
2003 1.14% 2.68%
2002 1.17% 2.62%
2001 1.23% 2.74%
2000 1.3% 2.88%
1999 1.37% 2.71%
1998 1.45% 2.67%
1997 1.57% 2.04%
1996 1.72% 1.85%
1995 1.86% 3.2%
1994 2.98% 3.92%
1993 4.3% 3.19%
1992 4.69% 2.53%
1991 4.96% 2.57%
1990 5.23% 2.64%
1989 5.52% 2.7%
1988 5.83% 3.08%
1987 6.2% 3.32%
1986 6.63% 3.37%
1985 6.23% 3.32%
1984 5.61% 3.32%
1983 5.71% 3.34%
1982 5.71% 3.1%
1981 5.6% 3.1%
1980 5.49% 3.21%
1979 5.42% 3.42%
1978 5.26% 3.59%
1977 4.99% 3.68%
1976 4.6% 3.7%
1975 4.27% 3.71%
1974 3.58% 3.67%
1973 2.94% 3.67%
1972 2.86% 3.63%
1971 2.78% 3.55%
1970 2.7% 3.5%
1969 2.62% 3.45%
1968 2.52% 3.29%
1967 2.42% 3.15%
1966 2.32% 3.11%
1965 2.21% 3.08%
1964 2.1% 3.04%
1963 1.98% 2.97%
1962 1.87% 2.94%
1961 1.77% 2.89%

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/oman/tanzania | CC BY

In 2025, the population of Oman grew by 4.04%, while Tanzania's population grew by 2.9%.

Live population counters

Oman Tanzania
Current population
5775345
73639263
Population rank 118/197 20/197
Percent of world population 0.07% 0.89%
One net population change
2.47 minutes
15.9 seconds
One birth every
5.93 minutes
13.2 seconds
One death every
52.3 minutes
1.34 minutes
Daily growth/decline +584 +5,440
Annual growth/decline +213,153 +1,985,708
Annual growth/decline rate +4.04% +2.9%
Population growth rate rank 3/197 16/197
One migration net change every
4.63 minutes
41.4 minutes
Annual migration change +113,734 -12,730
Net migration rank 15/196 139/196
Foreign-born residents 2,283,366 462,371
Foreign-born residents rank 33/195 83/195
Foreign-born share of population 43.2% 0.7%
Foreign-born share rank 11/195 167/195

Natural population change vs migration

Oman
Natural

Migration
Tanzania
Natural

Migration
1x
Year Population change
Oman Tanzania
Natural Migration Natural Migration
2025 - 113,734 - -12,730
2024 78,557 154,219 1,993,730 -29,865
2023 75,467 156,285 1,960,623 -39,388
2022 67,278 339,063 1,927,960 -37,557
2021 69,991 -16,726 1,880,137 -7,704
2020 74,224 -171,635 1,861,377 -18,587
2019 77,394 -117,480 1,816,669 -63,602
2018 79,438 -52,630 1,777,852 -55,444
2017 82,408 11,751 1,726,909 119,142
2016 81,350 117,538 1,659,502 152,194
2015 79,241 133,842 1,592,882 201,495
2014 76,258 75,557 1,565,630 -21,083
2013 71,905 113,335 1,509,008 1,241
2012 65,572 322,812 1,439,325 -49,875
2011 59,689 492,609 1,384,886 -84,546
2010 57,619 28,717 1,363,477 -122,020
2009 52,007 7,226 1,332,015 -324,478
2008 47,146 9,877 1,303,728 -184,816
2007 44,207 11,478 1,278,285 -126,793
2006 43,969 11,103 1,257,927 -128,231
2005 44,688 10,231 1,224,165 -128,251
2004 45,651 9,394 1,175,379 -126,490
2003 46,273 -19,265 1,118,435 -127,101
2002 46,397 -20,098 1,063,195 -118,047
2001 46,651 -19,103 1,026,242 -125,375
2000 47,208 -18,588 985,185 -9,701
1999 48,053 -18,235 948,659 -4,489
1998 48,654 -17,626 920,806 -105,184
1997 49,510 -16,998 882,544 -13,400
1996 50,362 -15,286 868,524 -473,007
1995 51,139 -13,418 838,980 -109,971
1994 52,337 -12,665 803,953 349,348
1993 53,439 27,204 778,044 288,004
1992 54,471 31,756 767,961 -83,825
1991 55,382 31,927 762,011 -91,851
1990 56,000 31,722 750,825 -80,529
1989 56,202 31,528 743,854 -71,268
1988 56,142 31,456 736,551 -71,012
1987 55,933 31,608 718,580 94,498
1986 55,324 32,289 705,677 24,101
1985 54,609 33,666 697,867 86,864
1984 52,253 14,993 687,435 -26,938
1983 49,646 15,617 679,720 58,161
1982 46,939 15,359 662,627 -37,883
1981 44,176 14,239 645,496 -42,485
1980 41,109 12,626 629,444 -42,588
1979 38,022 12,511 613,388 -4,792
1978 35,141 11,946 595,024 27,307
1977 32,342 10,554 574,938 49,997
1976 30,032 8,299 553,617 54,875
1975 27,699 5,632 533,906 53,290
1974 25,543 4,880 515,152 51,127
1973 24,195 -2,996 488,429 48,363
1972 22,968 -2,996 467,305 57,489
1971 21,973 -2,996 449,014 41,900
1970 20,893 -2,996 427,988 38,635
1969 19,949 -2,996 408,322 37,006
1968 18,962 -2,996 389,467 34,455
1967 17,990 -2,996 374,763 5,265
1966 17,030 -2,996 360,229 5,049
1965 16,103 -2,996 343,456 4,742
1964 15,205 -2,996 328,527 9,090
1963 14,283 -2,996 314,644 4,333
1962 13,485 -2,996 300,663 3,916
1961 12,690 -2,996 286,839 8,338
1960 12,034 -2,996 275,814 1,946

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

GeoRank.org/population/oman/tanzania | CC BY

Over the last 10 years, 58% of the population change in Oman is from natural causes (a gain of 765,348 people) and 42% is from migration (a gain of 554,227 people). In Tanzania 98.8% is from natural causes (a gain of 18,197,641 people) and 1.2% is from migration (a gain of 220,684 people).

As of 2024, 2,283,366 residents or 43.2% of the population were not native-born in Oman, compared to 462,371 people or 0.7% in Tanzania.

Biggest cities by population

Oman
City Population
Muscat 1.42M
Seeb 471K
Salalah 332K
Nizwa 83.5K
Tanzania
City Population
Dar es Salaam 4.72M
Zanzibar 710K
Mwanza 706K
Mbeya 542K
Morogoro 471K
Arusha 416K
Tanga 221K
Dodoma 214K
Moshi 145K

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/oman/tanzania | CC BY

Help us show the world through your eyes

Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.

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)

Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.