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Population in Sri Lanka compared to Tanzania: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of Sri Lanka was 21,916,000 in 2024 vs 68,560,157 people in Tanzania in 2024. In 2026, based on the adjusted UN estimation, the current Sri Lanka's population is 22,185,425 people compared to 73,145,892 in Tanzania.

Population statistics:

  • Tanzania's population is 3.3 times bigger than Sri Lanka's.
  • Sri Lanka is ranked the 63rd most populous country in the world, while Tanzania is the 20th.
  • The countries together account for 1.15% of the world: 0.27% for Sri Lanka vs 0.88% for Tanzania.
  • For the last 10 years, Sri Lanka has had an average growth rate of +0.57% per year vs +3.13% in Tanzania.
  • Since 2006, the population of Sri Lanka has increased from 20.4M people to 22.2M (9.01% growth), while Tanzania has grown from 40.3M to 73.1M (81.5% growth).

Sri Lanka vs Tanzania: population by year and forecast

Sri Lanka
Factual

Projection
Tanzania
Factual

Projection
1x
Year Population
Sri Lanka Tanzania
2100 20,270,496 265,496,854
2099 20,383,669 263,162,785
2098 20,498,567 260,809,535
2097 20,611,123 258,412,520
2096 20,723,560 255,996,677
2095 20,834,629 253,567,416
2094 20,943,809 251,119,386
2093 21,052,131 248,628,881
2092 21,158,833 246,107,108
2091 21,263,961 243,557,182
2090 21,371,263 241,002,065
2089 21,475,426 238,416,591
2088 21,577,177 235,797,530
2087 21,677,510 233,167,455
2086 21,777,420 230,496,041
2085 21,876,464 227,800,292
2084 21,970,336 225,111,530
2083 22,062,801 222,421,279
2082 22,151,745 219,718,263
2081 22,240,834 216,995,478
2080 22,326,555 214,255,926
2079 22,411,438 211,486,253
2078 22,489,772 208,708,063
2077 22,565,028 205,918,120
2076 22,637,463 203,106,125
2075 22,707,112 200,297,474
2074 22,778,489 197,468,017
2073 22,844,703 194,642,633
2072 22,905,707 191,824,103
2071 22,964,866 188,992,017
2070 23,022,515 186,152,377
2069 23,076,310 183,311,218
2068 23,129,541 180,475,586
2067 23,184,596 177,639,469
2066 23,234,419 174,803,090
2065 23,285,901 171,913,445
2064 23,331,390 169,064,549
2063 23,372,184 166,217,933
2062 23,409,522 163,370,044
2061 23,441,893 160,537,159
2060 23,474,032 157,722,273
2059 23,502,132 154,920,005
2058 23,528,076 152,120,539
2057 23,550,580 149,325,489
2056 23,570,923 146,519,472
2055 23,582,432 143,736,540
2054 23,591,414 140,983,905
2053 23,601,371 138,262,668
2052 23,605,361 135,553,723
2051 23,606,194 132,851,383
2050 23,603,330 130,157,751
2049 23,597,604 127,495,278
2048 23,587,307 124,821,109
2047 23,570,881 122,158,290
2046 23,547,409 119,522,516
2045 23,515,133 116,914,785
2044 23,483,546 114,329,740
2043 23,446,242 111,776,234
2042 23,404,983 109,241,835
2041 23,357,358 106,748,632
2040 23,306,148 104,272,418
2039 23,248,341 101,814,304
2038 23,187,512 99,380,232
2037 23,120,775 96,983,729
2036 23,053,427 94,601,865
2035 22,981,808 92,257,269
2034 22,906,587 89,929,444
2033 22,826,414 87,654,982
2032 22,742,267 85,409,993
2031 22,655,907 83,180,507
2030 22,564,038 80,997,163
2029 22,470,759 78,838,461
2028 22,370,999 76,730,649
2027 22,266,017 74,647,063
2026 22,155,543 72,589,279
2025 22,039,908 70,552,589
2024 21,916,000 68,560,157
2023 22,037,000 66,617,606
2022 22,181,000 64,711,821
2021 22,156,000 62,830,412
2020 21,919,000 60,972,798
2019 21,803,000 59,174,891
2018 21,670,000 57,437,145
2017 21,453,000 55,652,890
2016 21,209,000 53,824,013
2015 20,970,000 52,020,962
2014 20,778,000 50,351,512
2013 20,585,000 48,824,128
2012 21,169,458 47,374,260
2011 21,009,048 46,029,367
2010 20,879,089 44,758,488
2009 20,756,435 43,633,982
2008 20,629,378 42,570,728
2007 20,492,545 41,435,512
2006 20,352,411 40,294,902
2005 20,216,524 39,182,076
2004 20,087,605 38,109,668
2003 19,951,521 37,089,555
2002 19,805,752 36,121,304
2001 19,600,362 35,198,299
2000 19,293,054 34,260,139
1999 18,944,731 33,300,330
1998 18,596,003 32,420,458
1997 18,248,200 31,578,089
1996 17,905,018 30,945,762
1995 17,564,068 30,383,497
1994 17,275,773 29,442,356
1993 17,025,918 28,332,692
1992 16,739,284 27,457,588
1991 16,475,354 26,780,436
1990 16,352,458 26,110,207
1989 16,248,557 25,438,759
1988 16,078,621 24,769,686
1987 15,916,576 24,030,378
1986 15,731,256 23,258,959
1985 15,544,154 22,501,693
1984 15,441,860 21,779,066
1983 15,388,794 21,079,874
1982 15,286,567 20,398,571
1981 15,099,414 19,784,703
1980 14,847,974 19,189,769
1979 14,579,614 18,592,038
1978 14,310,128 17,976,566
1977 14,049,371 17,352,929
1976 13,796,770 16,736,211
1975 13,548,984 16,138,361
1974 13,305,693 15,561,630
1973 13,060,916 15,010,101
1972 12,809,205 14,479,308
1971 12,551,910 13,971,451
1970 12,287,110 13,492,677
1969 12,013,858 13,036,700
1968 11,736,088 12,602,076
1967 11,457,328 12,200,109
1966 11,183,928 11,827,459
1965 10,916,965 11,470,728
1964 10,653,397 11,127,826
1963 10,395,040 10,799,528
1962 10,143,754 10,487,756
1961 9,899,372 10,187,886
1960 9,661,389 9,901,419

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population/sri-lanka/tanzania | CC BY

From 2006 to 2016, the population of Sri Lanka increased by 856,589 people (a 4.21% growth), while Tanzania gained 13,529,111 people (a 33.6% growth).

For the next 10 years, from 2016 to 2026, Sri Lanka gained 976,425 people (a 4.6% growth), while Tanzania's population increased by 19,321,879 people (a 35.9% growth).

Sri Lanka was ranked 55th most populous country in 2006 and is 63rd 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) Sri Lanka's population will grow by 6.39% to 23,603,330 people with a rank change from 63rd to 70th. The population of Tanzania will increase by 77.9% to 130,157,751 people and rank change from 20th to 15th.

Sri Lanka is projected to reach its peak in 2051 at 23.6M people compared to the peak of 265M people in 2100 for Tanzania.

Population growth rate by year

Sri Lanka
Factual

Projection
Tanzania
Factual

Projection
1x
Year Growth rate
Sri Lanka Tanzania
2100 -0.56% 0.89%
2099 -0.56% 0.9%
2098 -0.55% 0.93%
2097 -0.54% 0.94%
2096 -0.53% 0.96%
2095 -0.52% 0.97%
2094 -0.51% 1%
2093 -0.5% 1.02%
2092 -0.49% 1.05%
2091 -0.5% 1.06%
2090 -0.49% 1.08%
2089 -0.47% 1.11%
2088 -0.46% 1.13%
2087 -0.46% 1.16%
2086 -0.45% 1.18%
2085 -0.43% 1.19%
2084 -0.42% 1.21%
2083 -0.4% 1.23%
2082 -0.4% 1.25%
2081 -0.38% 1.28%
2080 -0.38% 1.31%
2079 -0.35% 1.33%
2078 -0.33% 1.35%
2077 -0.32% 1.38%
2076 -0.31% 1.4%
2075 -0.31% 1.43%
2074 -0.29% 1.45%
2073 -0.27% 1.47%
2072 -0.26% 1.5%
2071 -0.25% 1.53%
2070 -0.23% 1.55%
2069 -0.23% 1.57%
2068 -0.24% 1.6%
2067 -0.21% 1.62%
2066 -0.22% 1.68%
2065 -0.19% 1.69%
2064 -0.17% 1.71%
2063 -0.16% 1.74%
2062 -0.14% 1.76%
2061 -0.14% 1.78%
2060 -0.12% 1.81%
2059 -0.11% 1.84%
2058 -0.1% 1.87%
2057 -0.09% 1.92%
2056 -0.05% 1.94%
2055 -0.04% 1.95%
2054 -0.04% 1.97%
2053 -0.02% 2%
2052 -0.004% 2.03%
2051 0.01% 2.07%
2050 0.02% 2.09%
2049 0.04% 2.14%
2048 0.07% 2.18%
2047 0.1% 2.21%
2046 0.14% 2.23%
2045 0.13% 2.26%
2044 0.16% 2.28%
2043 0.18% 2.32%
2042 0.2% 2.34%
2041 0.22% 2.37%
2040 0.25% 2.41%
2039 0.26% 2.45%
2038 0.29% 2.47%
2037 0.29% 2.52%
2036 0.31% 2.54%
2035 0.33% 2.59%
2034 0.35% 2.59%
2033 0.37% 2.63%
2032 0.38% 2.68%
2031 0.41% 2.7%
2030 0.42% 2.74%
2029 0.45% 2.75%
2028 0.47% 2.79%
2027 0.5% 2.83%
2026 0.52% 2.89%
2025 0.57% 2.91%
2024 -0.55% 2.92%
2023 -0.65% 2.95%
2022 0.11% 2.99%
2021 1.08% 3.05%
2020 0.53% 3.04%
2019 0.61% 3.03%
2018 1.01% 3.21%
2017 1.15% 3.4%
2016 1.14% 3.47%
2015 0.92% 3.32%
2014 0.94% 3.13%
2013 -2.76% 3.06%
2012 0.76% 2.92%
2011 0.62% 2.84%
2010 0.59% 2.58%
2009 0.62% 2.5%
2008 0.67% 2.74%
2007 0.69% 2.83%
2006 0.67% 2.84%
2005 0.64% 2.81%
2004 0.68% 2.75%
2003 0.74% 2.68%
2002 1.05% 2.62%
2001 1.59% 2.74%
2000 1.84% 2.88%
1999 1.88% 2.71%
1998 1.91% 2.67%
1997 1.92% 2.04%
1996 1.94% 1.85%
1995 1.67% 3.2%
1994 1.47% 3.92%
1993 1.71% 3.19%
1992 1.6% 2.53%
1991 0.75% 2.57%
1990 0.64% 2.64%
1989 1.06% 2.7%
1988 1.02% 3.08%
1987 1.18% 3.32%
1986 1.2% 3.37%
1985 0.66% 3.32%
1984 0.34% 3.32%
1983 0.67% 3.34%
1982 1.24% 3.1%
1981 1.69% 3.1%
1980 1.84% 3.21%
1979 1.88% 3.42%
1978 1.86% 3.59%
1977 1.83% 3.68%
1976 1.83% 3.7%
1975 1.83% 3.71%
1974 1.87% 3.67%
1973 1.97% 3.67%
1972 2.05% 3.63%
1971 2.16% 3.55%
1970 2.27% 3.5%
1969 2.37% 3.45%
1968 2.43% 3.29%
1967 2.44% 3.15%
1966 2.45% 3.11%
1965 2.47% 3.08%
1964 2.49% 3.04%
1963 2.48% 2.97%
1962 2.47% 2.94%
1961 2.46% 2.89%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

GeoRank.org/population/sri-lanka/tanzania | CC BY

In 2024, the population of Sri Lanka declined by 0.55%, while Tanzania's population grew by 2.92%.

Live population counters

Sri Lanka Tanzania
Current population
22185425
73145892
Population rank 63/197 20/197
Percent of world population 0.27% 0.88%
One net population change
4.34 minutes
16.2 seconds
One birth every
2.13 minutes
13.4 seconds
One death every
2.91 minutes
1.36 minutes
Daily growth/decline -332 +5,322
Annual growth/decline -121,000 +1,942,551
Annual growth/decline rate -0.55% +2.92%
Population growth rate rank 188/197 18/197
One migration net change every
17.2 minutes
41.4 minutes
Annual migration change -30,724 -12,730
Net migration rank 165/196 139/196
Foreign-born residents 40,698 462,371
Foreign-born residents rank 156/195 83/195
Foreign-born share of population 0.2% 0.7%
Foreign-born share rank 190/195 167/195

Natural population change vs migration

Sri Lanka
Natural

Migration
Tanzania
Natural

Migration
1x
Year Population change
Sri Lanka Tanzania
Natural Migration Natural Migration
2025 - -30,724 - -12,730
2024 - -27,245 - -29,865
2023 66,111 -28,011 1,960,623 -39,388
2022 95,378 -27,435 1,927,960 -37,557
2021 121,858 -29,586 1,880,137 -7,704
2020 170,968 -29,875 1,861,377 -18,587
2019 172,243 -28,426 1,816,669 -63,602
2018 183,610 -28,607 1,777,852 -55,444
2017 187,993 -22,324 1,726,909 119,142
2016 194,232 -18,388 1,659,502 152,194
2015 201,815 -29,797 1,592,882 201,495
2014 211,541 -33,672 1,565,630 -21,083
2013 221,021 -37,754 1,509,008 1,241
2012 229,138 -41,955 1,439,325 -49,875
2011 224,461 -90,839 1,384,886 -84,546
2010 224,325 -98,060 1,363,477 -122,020
2009 200,175 -81,130 1,332,015 -324,478
2008 232,225 -97,144 1,303,728 -184,816
2007 248,287 -109,695 1,278,285 -126,793
2006 248,706 -107,045 1,257,927 -128,231
2005 248,683 -118,594 1,224,165 -128,251
2004 212,527 -84,795 1,175,379 -126,490
2003 252,008 -107,573 1,118,435 -127,101
2002 252,840 -105,718 1,063,195 -118,047
2001 244,377 19,273 1,026,242 -125,375
2000 227,060 123,894 985,185 -9,701
1999 206,876 138,799 948,659 -4,489
1998 201,059 150,724 920,806 -105,184
1997 208,193 135,636 882,544 -13,400
1996 215,290 127,236 868,524 -473,007
1995 221,957 117,416 838,980 -109,971
1994 228,904 8,323 803,953 349,348
1993 226,257 36,232 778,044 288,004
1992 222,230 88,542 767,961 -83,825
1991 218,117 -1,047 762,011 -91,851
1990 224,454 -195,736 750,825 -80,529
1989 212,401 -33,305 743,854 -71,268
1988 219,184 -58,415 736,551 -71,012
1987 226,414 -63,105 718,580 94,498
1986 233,782 -26,460 705,677 24,101
1985 247,836 -80,950 697,867 86,864
1984 263,175 -225,450 687,435 -26,938
1983 277,768 -209,362 679,720 58,161
1982 300,030 -163,987 662,627 -37,883
1981 328,096 -89,824 645,496 -42,485
1980 328,155 -63,541 629,444 -42,588
1979 329,791 -57,683 613,388 -4,792
1978 317,055 -50,189 595,024 27,307
1977 300,038 -45,383 574,938 49,997
1976 291,816 -41,258 553,617 54,875
1975 282,496 -37,475 533,906 53,290
1974 275,521 -33,979 515,152 51,127
1973 278,577 -30,582 488,429 48,363
1972 282,494 -27,071 467,305 57,489
1971 281,200 -22,021 449,014 41,900
1970 286,719 -16,299 427,988 38,635
1969 286,218 -10,152 408,322 37,006
1968 286,642 -7,163 389,467 34,455
1967 284,738 -6,696 374,763 5,265
1966 275,549 -6,794 360,229 5,049
1965 272,422 -7,249 343,456 4,742
1964 269,584 -7,614 328,527 9,090
1963 262,880 -8,118 314,644 4,333
1962 256,719 -8,909 300,663 3,916
1961 251,087 -10,144 286,839 8,338
1960 247,631 -12,610 275,814 1,946

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/sri-lanka/tanzania | CC BY

Over the last 10 years, 85.3% of the population change in Sri Lanka is from natural causes (a gain of 1,605,749 people) and 14.7% is from migration (a loss of 276,121 people). In Tanzania 98.7% is from natural causes (a gain of 17,769,541 people) and 1.27% is from migration (a gain of 229,466 people).

As of 2024, 40,698 residents or 0.2% of the population were not native-born in Sri Lanka, compared to 462,371 people or 0.7% in Tanzania.

Biggest cities by population

Sri Lanka
City Population
Colombo 648K
Gampaha 191K
Beruwala 165K
Negombo 142K
Kandy 120K
Sri Jayawardenepura Kotte 116K
Trincomalee 99.1K
Galle 93.1K
Matara 68.2K
Anuradhapura 63.2K
Tanzania
City Population
Dar es Salaam 4.72M
Zanzibar 710K
Mwanza 706K
Mbeya 542K
Arusha 416K
Tanga 221K
Dodoma 214K
Morogoro 207K
Moshi 145K
Stone Town 18K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

GeoRank.org/population/sri-lanka/tanzania | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Wikidata (2026, retrieved 2026-02-08)
  5. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)

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