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

Updated on by Georank

The latest officially reported population of Oman was 5,494,691 in 2025 vs 21,756,000 people in Sri Lanka in 2025. In 2026, based on the adjusted UN estimation, the current Oman's population is 5,775,345 people compared to 21,926,160 in Sri Lanka.

Population statistics:

  • Sri Lanka's population is 3.8 times bigger than Oman's.
  • Oman is ranked the 118th most populous country in the world, while Sri Lanka is the 63rd.
  • The countries together account for 0.33% of the world: 0.07% for Oman vs 0.26% for Sri Lanka.
  • For the last 10 years, Oman has had an average growth rate of +2.96% per year vs +0.42% in Sri Lanka.
  • Since 2006, the population of Oman has increased from 2.51M people to 5.78M (129.7% growth), while Sri Lanka has grown from 20.4M to 21.9M (7.73% growth).

Oman vs Sri Lanka: population by year and forecast

Oman
Factual

Projection
Sri Lanka
Factual

Projection
1x
Year Population
Oman Sri Lanka
2100 12,271,138 20,009,380
2099 12,189,126 20,121,095
2098 12,106,527 20,234,513
2097 12,023,414 20,345,619
2096 11,939,950 20,456,607
2095 11,856,068 20,566,246
2094 11,771,790 20,674,019
2093 11,687,164 20,780,946
2092 11,602,253 20,886,274
2091 11,517,204 20,990,047
2090 11,432,016 21,095,968
2089 11,346,729 21,198,788
2088 11,261,515 21,299,229
2087 11,176,614 21,398,269
2086 11,091,765 21,496,892
2085 11,007,142 21,594,661
2084 10,922,731 21,687,323
2083 10,838,447 21,778,597
2082 10,754,297 21,866,395
2081 10,670,483 21,954,337
2080 10,586,785 22,038,953
2079 10,503,234 22,122,744
2078 10,419,787 22,200,069
2077 10,336,364 22,274,355
2076 10,252,916 22,345,857
2075 10,169,444 22,414,609
2074 10,085,876 22,485,066
2073 10,002,028 22,550,427
2072 9,917,703 22,610,645
2071 9,832,854 22,669,042
2070 9,747,714 22,725,948
2069 9,662,064 22,779,050
2068 9,575,805 22,831,596
2067 9,488,969 22,885,941
2066 9,401,396 22,935,123
2065 9,313,366 22,985,942
2064 9,224,699 23,030,844
2063 9,135,431 23,071,114
2062 9,045,431 23,107,970
2061 8,954,738 23,139,924
2060 8,863,401 23,171,649
2059 8,771,240 23,199,387
2058 8,678,241 23,224,997
2057 8,584,641 23,247,211
2056 8,490,445 23,267,292
2055 8,395,691 23,278,653
2054 8,300,516 23,287,520
2053 8,205,120 23,297,347
2052 8,109,685 23,301,287
2051 8,014,625 23,302,108
2050 7,919,979 23,299,282
2049 7,825,999 23,293,630
2048 7,732,641 23,283,465
2047 7,640,024 23,267,251
2046 7,547,980 23,244,081
2045 7,456,696 23,212,221
2044 7,366,027 23,181,041
2043 7,276,260 23,144,217
2042 7,187,395 23,103,489
2041 7,099,567 23,056,478
2040 7,012,893 23,005,928
2039 6,927,343 22,948,866
2038 6,842,697 22,888,821
2037 6,758,909 22,822,943
2036 6,675,887 22,756,462
2035 6,593,385 22,685,766
2034 6,511,234 22,611,514
2033 6,429,140 22,532,374
2032 6,346,783 22,449,310
2031 6,264,019 22,364,063
2030 6,180,534 22,273,377
2029 6,087,861 22,181,300
2028 5,983,340 22,082,826
2027 5,854,563 21,979,196
2026 5,691,677 21,870,145
2025 5,494,691 21,756,000
2024 5,281,538 21,916,000
2023 5,049,269 22,037,000
2022 4,730,226 22,181,000
2021 4,500,424 22,156,000
2020 4,522,497 21,919,000
2019 4,591,241 21,803,000
2018 4,597,877 21,670,000
2017 4,537,396 21,453,000
2016 4,390,877 21,209,000
2015 4,184,895 20,970,000
2014 4,002,439 20,778,000
2013 3,833,913 20,585,000
2012 3,547,106 21,169,458
2011 3,076,763 21,009,048
2010 2,757,446 20,879,089
2009 2,684,659 20,756,435
2008 2,626,529 20,629,378
2007 2,570,174 20,492,545
2006 2,514,795 20,352,411
2005 2,459,802 20,216,524
2004 2,404,821 20,087,605
2003 2,363,796 19,951,521
2002 2,337,140 19,805,752
2001 2,310,217 19,600,362
2000 2,282,131 19,293,054
1999 2,252,909 18,944,731
1998 2,222,489 18,596,003
1997 2,190,720 18,248,200
1996 2,156,926 17,905,018
1995 2,120,528 17,564,068
1994 2,081,834 17,275,773
1993 2,021,675 17,025,918
1992 1,938,238 16,739,284
1991 1,851,473 16,475,354
1990 1,763,954 16,352,458
1989 1,676,228 16,248,557
1988 1,588,568 16,078,621
1987 1,500,996 15,916,576
1986 1,413,419 15,731,256
1985 1,325,480 15,544,154
1984 1,247,716 15,441,860
1983 1,181,459 15,388,794
1982 1,117,678 15,286,567
1981 1,057,320 15,099,414
1980 1,001,248 14,847,974
1979 949,116 14,579,614
1978 900,304 14,310,128
1977 855,314 14,049,371
1976 814,701 13,796,770
1975 778,864 13,548,984
1974 746,988 13,305,693
1973 721,179 13,060,916
1972 700,593 12,809,205
1971 681,119 12,551,910
1970 662,680 12,287,110
1969 645,255 12,013,858
1968 628,798 11,736,088
1967 613,318 11,457,328
1966 598,804 11,183,928
1965 585,236 10,916,965
1964 572,577 10,653,397
1963 560,827 10,395,040
1962 549,941 10,143,754
1961 539,854 9,899,372
1960 530,485 9,661,389

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/sri-lanka | CC BY

From 2006 to 2016, the population of Oman increased by 1,876,082 people (a 74.6% growth), while Sri Lanka gained 856,589 people (a 4.21% growth).

For the next 10 years, from 2016 to 2026, Oman gained 1,384,468 people (a 31.5% growth), while Sri Lanka's population increased by 717,160 people (a 3.38% growth).

Oman was ranked 138th most populous country in 2006 and is 118th in 2026. Sri Lanka was ranked 55th in 2006 and ranked 63rd 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 Sri Lanka will increase by 6.26% to 23,299,282 people and rank change from 63rd to 71st.

Oman is projected to reach its peak in 2100 at 12.3M people compared to the peak of 23.3M people in 2051 for Sri Lanka.

Population growth rate by year

Oman
Factual

Projection
Sri Lanka
Factual

Projection
1x
Year Growth rate
Oman Sri Lanka
2100 0.67% -0.56%
2099 0.68% -0.56%
2098 0.69% -0.55%
2097 0.7% -0.54%
2096 0.71% -0.53%
2095 0.72% -0.52%
2094 0.72% -0.51%
2093 0.73% -0.5%
2092 0.74% -0.49%
2091 0.75% -0.5%
2090 0.75% -0.49%
2089 0.76% -0.47%
2088 0.76% -0.46%
2087 0.76% -0.46%
2086 0.77% -0.45%
2085 0.77% -0.43%
2084 0.78% -0.42%
2083 0.78% -0.4%
2082 0.79% -0.4%
2081 0.79% -0.38%
2080 0.8% -0.38%
2079 0.8% -0.35%
2078 0.81% -0.33%
2077 0.81% -0.32%
2076 0.82% -0.31%
2075 0.83% -0.31%
2074 0.84% -0.29%
2073 0.85% -0.27%
2072 0.86% -0.26%
2071 0.87% -0.25%
2070 0.89% -0.23%
2069 0.9% -0.23%
2068 0.92% -0.24%
2067 0.93% -0.21%
2066 0.95% -0.22%
2065 0.96% -0.19%
2064 0.98% -0.17%
2063 0.99% -0.16%
2062 1.01% -0.14%
2061 1.03% -0.14%
2060 1.05% -0.12%
2059 1.07% -0.11%
2058 1.09% -0.1%
2057 1.11% -0.09%
2056 1.13% -0.05%
2055 1.15% -0.04%
2054 1.16% -0.04%
2053 1.18% -0.02%
2052 1.19% -0.004%
2051 1.2% 0.01%
2050 1.2% 0.02%
2049 1.21% 0.04%
2048 1.21% 0.07%
2047 1.22% 0.1%
2046 1.22% 0.14%
2045 1.23% 0.13%
2044 1.23% 0.16%
2043 1.24% 0.18%
2042 1.24% 0.2%
2041 1.24% 0.22%
2040 1.23% 0.25%
2039 1.24% 0.26%
2038 1.24% 0.29%
2037 1.24% 0.29%
2036 1.25% 0.31%
2035 1.26% 0.33%
2034 1.28% 0.35%
2033 1.3% 0.37%
2032 1.32% 0.38%
2031 1.35% 0.41%
2030 1.52% 0.42%
2029 1.75% 0.45%
2028 2.2% 0.47%
2027 2.86% 0.5%
2026 3.59% 0.52%
2025 4.04% -0.73%
2024 4.6% -0.55%
2023 6.74% -0.65%
2022 5.11% 0.11%
2021 -0.49% 1.08%
2020 -1.5% 0.53%
2019 -0.14% 0.61%
2018 1.33% 1.01%
2017 3.34% 1.15%
2016 4.92% 1.14%
2015 4.56% 0.92%
2014 4.4% 0.94%
2013 8.09% -2.76%
2012 15.3% 0.76%
2011 11.6% 0.62%
2010 2.71% 0.59%
2009 2.21% 0.62%
2008 2.19% 0.67%
2007 2.2% 0.69%
2006 2.24% 0.67%
2005 2.29% 0.64%
2004 1.74% 0.68%
2003 1.14% 0.74%
2002 1.17% 1.05%
2001 1.23% 1.59%
2000 1.3% 1.84%
1999 1.37% 1.88%
1998 1.45% 1.91%
1997 1.57% 1.92%
1996 1.72% 1.94%
1995 1.86% 1.67%
1994 2.98% 1.47%
1993 4.3% 1.71%
1992 4.69% 1.6%
1991 4.96% 0.75%
1990 5.23% 0.64%
1989 5.52% 1.06%
1988 5.83% 1.02%
1987 6.2% 1.18%
1986 6.63% 1.2%
1985 6.23% 0.66%
1984 5.61% 0.34%
1983 5.71% 0.67%
1982 5.71% 1.24%
1981 5.6% 1.69%
1980 5.49% 1.84%
1979 5.42% 1.88%
1978 5.26% 1.86%
1977 4.99% 1.83%
1976 4.6% 1.83%
1975 4.27% 1.83%
1974 3.58% 1.87%
1973 2.94% 1.97%
1972 2.86% 2.05%
1971 2.78% 2.16%
1970 2.7% 2.27%
1969 2.62% 2.37%
1968 2.52% 2.43%
1967 2.42% 2.44%
1966 2.32% 2.45%
1965 2.21% 2.47%
1964 2.1% 2.49%
1963 1.98% 2.48%
1962 1.87% 2.47%
1961 1.77% 2.46%

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/sri-lanka | CC BY

In 2025, the population of Oman grew by 4.04%, while Sri Lanka's population declined by 0.73%.

Live population counters

Oman Sri Lanka
Current population
5775345
21926160
Population rank 118/197 63/197
Percent of world population 0.07% 0.26%
One net population change
2.47 minutes
3.29 minutes
One birth every
5.93 minutes
2.37 minutes
One death every
52.3 minutes
3.07 minutes
Daily growth/decline +584 -438
Annual growth/decline +213,153 -160,000
Annual growth/decline rate +4.04% -0.73%
Population growth rate rank 3/197 190/197
One migration net change every
4.63 minutes
17.2 minutes
Annual migration change +113,734 -30,724
Net migration rank 15/196 165/196
Foreign-born residents 2,283,366 40,698
Foreign-born residents rank 33/195 156/195
Foreign-born share of population 43.2% 0.2%
Foreign-born share rank 11/195 190/195

Natural population change vs migration

Oman
Natural

Migration
Sri Lanka
Natural

Migration
1x
Year Population change
Oman Sri Lanka
Natural Migration Natural Migration
2025 - 113,734 - -30,724
2024 78,557 154,219 50,407 -27,245
2023 75,467 156,285 66,111 -28,011
2022 67,278 339,063 95,378 -27,435
2021 69,991 -16,726 121,858 -29,586
2020 74,224 -171,635 170,968 -29,875
2019 77,394 -117,480 172,243 -28,426
2018 79,438 -52,630 183,610 -28,607
2017 82,408 11,751 187,993 -22,324
2016 81,350 117,538 194,232 -18,388
2015 79,241 133,842 201,815 -29,797
2014 76,258 75,557 211,541 -33,672
2013 71,905 113,335 221,021 -37,754
2012 65,572 322,812 229,138 -41,955
2011 59,689 492,609 224,461 -90,839
2010 57,619 28,717 224,325 -98,060
2009 52,007 7,226 200,175 -81,130
2008 47,146 9,877 232,225 -97,144
2007 44,207 11,478 248,287 -109,695
2006 43,969 11,103 248,706 -107,045
2005 44,688 10,231 248,683 -118,594
2004 45,651 9,394 212,527 -84,795
2003 46,273 -19,265 252,008 -107,573
2002 46,397 -20,098 252,840 -105,718
2001 46,651 -19,103 244,377 19,273
2000 47,208 -18,588 227,060 123,894
1999 48,053 -18,235 206,876 138,799
1998 48,654 -17,626 201,059 150,724
1997 49,510 -16,998 208,193 135,636
1996 50,362 -15,286 215,290 127,236
1995 51,139 -13,418 221,957 117,416
1994 52,337 -12,665 228,904 8,323
1993 53,439 27,204 226,257 36,232
1992 54,471 31,756 222,230 88,542
1991 55,382 31,927 218,117 -1,047
1990 56,000 31,722 224,454 -195,736
1989 56,202 31,528 212,401 -33,305
1988 56,142 31,456 219,184 -58,415
1987 55,933 31,608 226,414 -63,105
1986 55,324 32,289 233,782 -26,460
1985 54,609 33,666 247,836 -80,950
1984 52,253 14,993 263,175 -225,450
1983 49,646 15,617 277,768 -209,362
1982 46,939 15,359 300,030 -163,987
1981 44,176 14,239 328,096 -89,824
1980 41,109 12,626 328,155 -63,541
1979 38,022 12,511 329,791 -57,683
1978 35,141 11,946 317,055 -50,189
1977 32,342 10,554 300,038 -45,383
1976 30,032 8,299 291,816 -41,258
1975 27,699 5,632 282,496 -37,475
1974 25,543 4,880 275,521 -33,979
1973 24,195 -2,996 278,577 -30,582
1972 22,968 -2,996 282,494 -27,071
1971 21,973 -2,996 281,200 -22,021
1970 20,893 -2,996 286,719 -16,299
1969 19,949 -2,996 286,218 -10,152
1968 18,962 -2,996 286,642 -7,163
1967 17,990 -2,996 284,738 -6,696
1966 17,030 -2,996 275,549 -6,794
1965 16,103 -2,996 272,422 -7,249
1964 15,205 -2,996 269,584 -7,614
1963 14,283 -2,996 262,880 -8,118
1962 13,485 -2,996 256,719 -8,909
1961 12,690 -2,996 251,087 -10,144
1960 12,034 -2,996 247,631 -12,610

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

GeoRank.org/population/oman/sri-lanka | 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 Sri Lanka 84.3% is from natural causes (a gain of 1,444,615 people) and 15.7% is from migration (a loss of 269,694 people).

As of 2024, 2,283,366 residents or 43.2% of the population were not native-born in Oman, compared to 40,698 people or 0.2% in Sri Lanka.

Biggest cities by population

Oman
City Population
Muscat 1.42M
Seeb 471K
Salalah 332K
Nizwa 83.5K
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

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/sri-lanka | 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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