The latest officially reported population of Nigeria was 237,527,782 in 2025 vs 21,756,000 people in Sri Lanka in 2025. In 2026, based on the adjusted UN estimation, the current Nigeria's population is 245,016,045 people compared to 21,926,160 in Sri Lanka.
Population statistics:
- Nigeria's population is 11.2 times bigger than Sri Lanka's.
- Nigeria is ranked the 6th most populous country in the world, while Sri Lanka is the 63rd.
- The countries together account for 3.21% of the world: 2.95% for Nigeria vs 0.26% for Sri Lanka.
- For the last 10 years, Nigeria has had an average growth rate of +2.25% per year vs +0.42% in Sri Lanka.
- Since 2006, the population of Nigeria has increased from 149M people to 245M (64.4% growth), while Sri Lanka has grown from 20.4M to 21.9M (7.73% growth).
Nigeria vs Sri Lanka: population by year and forecast
| Year | Population | |
|---|---|---|
Nigeria
|
Sri Lanka
|
|
| 2100 | 481,640,156 | 20,009,380 |
| 2099 | 481,456,918 | 20,121,095 |
| 2098 | 481,181,892 | 20,234,513 |
| 2097 | 480,838,161 | 20,345,619 |
| 2096 | 480,422,467 | 20,456,607 |
| 2095 | 479,938,579 | 20,566,246 |
| 2094 | 479,395,022 | 20,674,019 |
| 2093 | 478,769,369 | 20,780,946 |
| 2092 | 478,059,864 | 20,886,274 |
| 2091 | 477,236,907 | 20,990,047 |
| 2090 | 476,329,495 | 21,095,968 |
| 2089 | 475,326,347 | 21,198,788 |
| 2088 | 474,231,442 | 21,299,229 |
| 2087 | 473,035,563 | 21,398,269 |
| 2086 | 471,732,001 | 21,496,892 |
| 2085 | 470,328,175 | 21,594,661 |
| 2084 | 468,806,172 | 21,687,323 |
| 2083 | 467,187,453 | 21,778,597 |
| 2082 | 465,472,417 | 21,866,395 |
| 2081 | 463,643,190 | 21,954,337 |
| 2080 | 461,705,493 | 22,038,953 |
| 2079 | 459,644,523 | 22,122,744 |
| 2078 | 457,477,264 | 22,200,069 |
| 2077 | 455,218,871 | 22,274,355 |
| 2076 | 452,849,991 | 22,345,857 |
| 2075 | 450,367,356 | 22,414,609 |
| 2074 | 447,789,885 | 22,485,066 |
| 2073 | 445,117,028 | 22,550,427 |
| 2072 | 442,340,440 | 22,610,645 |
| 2071 | 439,464,323 | 22,669,042 |
| 2070 | 436,505,329 | 22,725,948 |
| 2069 | 433,437,998 | 22,779,050 |
| 2068 | 430,286,232 | 22,831,596 |
| 2067 | 427,032,499 | 22,885,941 |
| 2066 | 423,702,640 | 22,935,123 |
| 2065 | 420,285,359 | 22,985,942 |
| 2064 | 416,778,394 | 23,030,844 |
| 2063 | 413,198,800 | 23,071,114 |
| 2062 | 409,551,159 | 23,107,970 |
| 2061 | 405,827,482 | 23,139,924 |
| 2060 | 402,041,765 | 23,171,649 |
| 2059 | 398,197,311 | 23,199,387 |
| 2058 | 394,284,767 | 23,224,997 |
| 2057 | 390,311,065 | 23,247,211 |
| 2056 | 386,267,580 | 23,267,292 |
| 2055 | 382,162,992 | 23,278,653 |
| 2054 | 378,000,511 | 23,287,520 |
| 2053 | 373,769,779 | 23,297,347 |
| 2052 | 369,472,476 | 23,301,287 |
| 2051 | 365,120,741 | 23,302,108 |
| 2050 | 360,706,317 | 23,299,282 |
| 2049 | 356,243,287 | 23,293,630 |
| 2048 | 351,724,743 | 23,283,465 |
| 2047 | 347,142,279 | 23,267,251 |
| 2046 | 342,505,549 | 23,244,081 |
| 2045 | 337,807,869 | 23,212,221 |
| 2044 | 333,050,132 | 23,181,041 |
| 2043 | 328,230,652 | 23,144,217 |
| 2042 | 323,363,366 | 23,103,489 |
| 2041 | 318,443,989 | 23,056,478 |
| 2040 | 313,468,061 | 23,005,928 |
| 2039 | 308,450,008 | 22,948,866 |
| 2038 | 303,399,842 | 22,888,821 |
| 2037 | 298,327,800 | 22,822,943 |
| 2036 | 293,227,654 | 22,756,462 |
| 2035 | 288,115,630 | 22,685,766 |
| 2034 | 282,995,818 | 22,611,514 |
| 2033 | 277,875,880 | 22,532,374 |
| 2032 | 272,747,599 | 22,449,310 |
| 2031 | 267,645,657 | 22,364,063 |
| 2030 | 262,562,767 | 22,273,377 |
| 2029 | 257,484,616 | 22,181,300 |
| 2028 | 252,445,821 | 22,082,826 |
| 2027 | 247,437,680 | 21,979,196 |
| 2026 | 242,458,365 | 21,870,145 |
| 2025 | 237,527,782 | 21,756,000 |
| 2024 | 232,679,478 | 21,916,000 |
| 2023 | 227,882,945 | 22,037,000 |
| 2022 | 223,150,896 | 22,181,000 |
| 2021 | 218,529,286 | 22,156,000 |
| 2020 | 213,996,181 | 21,919,000 |
| 2019 | 209,485,641 | 21,803,000 |
| 2018 | 204,938,755 | 21,670,000 |
| 2017 | 200,254,579 | 21,453,000 |
| 2016 | 195,443,700 | 21,209,000 |
| 2015 | 190,671,878 | 20,970,000 |
| 2014 | 185,896,915 | 20,778,000 |
| 2013 | 181,049,443 | 20,585,000 |
| 2012 | 176,200,625 | 21,169,458 |
| 2011 | 171,379,598 | 21,009,048 |
| 2010 | 166,642,886 | 20,879,089 |
| 2009 | 162,049,464 | 20,756,435 |
| 2008 | 157,595,014 | 20,629,378 |
| 2007 | 153,267,261 | 20,492,545 |
| 2006 | 149,077,334 | 20,352,411 |
| 2005 | 145,017,253 | 20,216,524 |
| 2004 | 141,057,045 | 20,087,605 |
| 2003 | 137,202,644 | 19,951,521 |
| 2002 | 133,471,989 | 19,805,752 |
| 2001 | 129,862,595 | 19,600,362 |
| 2000 | 126,382,494 | 19,293,054 |
| 1999 | 123,047,320 | 18,944,731 |
| 1998 | 119,846,254 | 18,596,003 |
| 1997 | 116,754,792 | 18,248,200 |
| 1996 | 113,754,779 | 17,905,018 |
| 1995 | 110,819,428 | 17,564,068 |
| 1994 | 107,935,714 | 17,275,773 |
| 1993 | 105,122,069 | 17,025,918 |
| 1992 | 102,372,770 | 16,739,284 |
| 1991 | 99,720,162 | 16,475,354 |
| 1990 | 97,120,925 | 16,352,458 |
| 1989 | 94,531,014 | 16,248,557 |
| 1988 | 92,020,090 | 16,078,621 |
| 1987 | 89,591,716 | 15,916,576 |
| 1986 | 87,235,953 | 15,731,256 |
| 1985 | 84,897,973 | 15,544,154 |
| 1984 | 82,526,443 | 15,441,860 |
| 1983 | 80,438,260 | 15,388,794 |
| 1982 | 78,378,701 | 15,286,567 |
| 1981 | 76,068,103 | 15,099,414 |
| 1980 | 73,764,641 | 14,847,974 |
| 1979 | 71,498,242 | 14,579,614 |
| 1978 | 69,326,532 | 14,310,128 |
| 1977 | 67,234,590 | 14,049,371 |
| 1976 | 65,258,009 | 13,796,770 |
| 1975 | 63,410,815 | 13,548,984 |
| 1974 | 61,679,144 | 13,305,693 |
| 1973 | 60,082,139 | 13,060,916 |
| 1972 | 58,601,748 | 12,809,205 |
| 1971 | 57,214,684 | 12,551,910 |
| 1970 | 55,893,838 | 12,287,110 |
| 1969 | 54,631,914 | 12,013,858 |
| 1968 | 53,432,783 | 11,736,088 |
| 1967 | 52,293,065 | 11,457,328 |
| 1966 | 51,188,234 | 11,183,928 |
| 1965 | 50,086,764 | 10,916,965 |
| 1964 | 49,012,016 | 10,653,397 |
| 1963 | 47,973,575 | 10,395,040 |
| 1962 | 46,965,292 | 10,143,754 |
| 1961 | 45,989,310 | 9,899,372 |
| 1960 | 45,053,782 | 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/nigeria/sri-lanka | CC BY 
From 2006 to 2016, the population of Nigeria increased by 46,366,366 people (a 31.1% growth), while Sri Lanka gained 856,589 people (a 4.21% growth).
For the next 10 years, from 2016 to 2026, Nigeria gained 49,572,345 people (a 25.4% growth), while Sri Lanka's population increased by 717,160 people (a 3.38% growth).
Nigeria was ranked 7th most populous country in 2006 and is 6th 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) Nigeria's population will grow by 47.2% to 360,706,317 people with a rank change from 6th to 5th. The population of Sri Lanka will increase by 6.26% to 23,299,282 people and rank change from 63rd to 71st.
Nigeria is projected to reach its peak in 2100 at 482M people compared to the peak of 23.3M people in 2051 for Sri Lanka.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Nigeria
|
Sri Lanka
|
|
| 2100 | 0.04% | -0.56% |
| 2099 | 0.06% | -0.56% |
| 2098 | 0.07% | -0.55% |
| 2097 | 0.09% | -0.54% |
| 2096 | 0.1% | -0.53% |
| 2095 | 0.11% | -0.52% |
| 2094 | 0.13% | -0.51% |
| 2093 | 0.15% | -0.5% |
| 2092 | 0.17% | -0.49% |
| 2091 | 0.19% | -0.5% |
| 2090 | 0.21% | -0.49% |
| 2089 | 0.23% | -0.47% |
| 2088 | 0.25% | -0.46% |
| 2087 | 0.28% | -0.46% |
| 2086 | 0.3% | -0.45% |
| 2085 | 0.32% | -0.43% |
| 2084 | 0.35% | -0.42% |
| 2083 | 0.37% | -0.4% |
| 2082 | 0.39% | -0.4% |
| 2081 | 0.42% | -0.38% |
| 2080 | 0.45% | -0.38% |
| 2079 | 0.47% | -0.35% |
| 2078 | 0.5% | -0.33% |
| 2077 | 0.52% | -0.32% |
| 2076 | 0.55% | -0.31% |
| 2075 | 0.58% | -0.31% |
| 2074 | 0.6% | -0.29% |
| 2073 | 0.63% | -0.27% |
| 2072 | 0.65% | -0.26% |
| 2071 | 0.68% | -0.25% |
| 2070 | 0.71% | -0.23% |
| 2069 | 0.73% | -0.23% |
| 2068 | 0.76% | -0.24% |
| 2067 | 0.79% | -0.21% |
| 2066 | 0.81% | -0.22% |
| 2065 | 0.84% | -0.19% |
| 2064 | 0.87% | -0.17% |
| 2063 | 0.89% | -0.16% |
| 2062 | 0.92% | -0.14% |
| 2061 | 0.94% | -0.14% |
| 2060 | 0.97% | -0.12% |
| 2059 | 0.99% | -0.11% |
| 2058 | 1.02% | -0.1% |
| 2057 | 1.05% | -0.09% |
| 2056 | 1.07% | -0.05% |
| 2055 | 1.1% | -0.04% |
| 2054 | 1.13% | -0.04% |
| 2053 | 1.16% | -0.02% |
| 2052 | 1.19% | -0.004% |
| 2051 | 1.22% | 0.01% |
| 2050 | 1.25% | 0.02% |
| 2049 | 1.28% | 0.04% |
| 2048 | 1.32% | 0.07% |
| 2047 | 1.35% | 0.1% |
| 2046 | 1.39% | 0.14% |
| 2045 | 1.43% | 0.13% |
| 2044 | 1.47% | 0.16% |
| 2043 | 1.51% | 0.18% |
| 2042 | 1.54% | 0.2% |
| 2041 | 1.59% | 0.22% |
| 2040 | 1.63% | 0.25% |
| 2039 | 1.66% | 0.26% |
| 2038 | 1.7% | 0.29% |
| 2037 | 1.74% | 0.29% |
| 2036 | 1.77% | 0.31% |
| 2035 | 1.81% | 0.33% |
| 2034 | 1.84% | 0.35% |
| 2033 | 1.88% | 0.37% |
| 2032 | 1.91% | 0.38% |
| 2031 | 1.94% | 0.41% |
| 2030 | 1.97% | 0.42% |
| 2029 | 2% | 0.45% |
| 2028 | 2.02% | 0.47% |
| 2027 | 2.05% | 0.5% |
| 2026 | 2.08% | 0.52% |
| 2025 | 2.08% | -0.73% |
| 2024 | 2.1% | -0.55% |
| 2023 | 2.12% | -0.65% |
| 2022 | 2.11% | 0.11% |
| 2021 | 2.12% | 1.08% |
| 2020 | 2.15% | 0.53% |
| 2019 | 2.22% | 0.61% |
| 2018 | 2.34% | 1.01% |
| 2017 | 2.46% | 1.15% |
| 2016 | 2.5% | 1.14% |
| 2015 | 2.57% | 0.92% |
| 2014 | 2.68% | 0.94% |
| 2013 | 2.75% | -2.76% |
| 2012 | 2.81% | 0.76% |
| 2011 | 2.84% | 0.62% |
| 2010 | 2.83% | 0.59% |
| 2009 | 2.83% | 0.62% |
| 2008 | 2.82% | 0.67% |
| 2007 | 2.81% | 0.69% |
| 2006 | 2.8% | 0.67% |
| 2005 | 2.81% | 0.64% |
| 2004 | 2.81% | 0.68% |
| 2003 | 2.8% | 0.74% |
| 2002 | 2.78% | 1.05% |
| 2001 | 2.75% | 1.59% |
| 2000 | 2.71% | 1.84% |
| 1999 | 2.67% | 1.88% |
| 1998 | 2.65% | 1.91% |
| 1997 | 2.64% | 1.92% |
| 1996 | 2.65% | 1.94% |
| 1995 | 2.67% | 1.67% |
| 1994 | 2.68% | 1.47% |
| 1993 | 2.69% | 1.71% |
| 1992 | 2.66% | 1.6% |
| 1991 | 2.68% | 0.75% |
| 1990 | 2.74% | 0.64% |
| 1989 | 2.73% | 1.06% |
| 1988 | 2.71% | 1.02% |
| 1987 | 2.7% | 1.18% |
| 1986 | 2.75% | 1.2% |
| 1985 | 2.87% | 0.66% |
| 1984 | 2.6% | 0.34% |
| 1983 | 2.63% | 0.67% |
| 1982 | 3.04% | 1.24% |
| 1981 | 3.12% | 1.69% |
| 1980 | 3.17% | 1.84% |
| 1979 | 3.13% | 1.88% |
| 1978 | 3.11% | 1.86% |
| 1977 | 3.03% | 1.83% |
| 1976 | 2.91% | 1.83% |
| 1975 | 2.81% | 1.83% |
| 1974 | 2.66% | 1.87% |
| 1973 | 2.53% | 1.97% |
| 1972 | 2.42% | 2.05% |
| 1971 | 2.36% | 2.16% |
| 1970 | 2.31% | 2.27% |
| 1969 | 2.24% | 2.37% |
| 1968 | 2.18% | 2.43% |
| 1967 | 2.16% | 2.44% |
| 1966 | 2.2% | 2.45% |
| 1965 | 2.19% | 2.47% |
| 1964 | 2.16% | 2.49% |
| 1963 | 2.15% | 2.48% |
| 1962 | 2.12% | 2.47% |
| 1961 | 2.08% | 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/nigeria/sri-lanka | CC BY
In 2025, the population of Nigeria grew by 2.08%, while Sri Lanka's population declined by 0.73%.
Live population counters
|
Nigeria
|
Sri Lanka
|
|
|---|---|---|
| Current population |
245016045
|
21926160
|
| Population rank | 6/197 | 63/197 |
| Percent of world population | 2.95% | 0.26% |
| One net population change |
6.52 seconds
|
3.29 minutes
|
| One birth every |
4.17 seconds
|
2.37 minutes
|
| One death every |
11.6 seconds
|
3.07 minutes
|
| Daily growth/decline | +13,283 | -438 |
| Annual growth/decline | +4,848,304 | -160,000 |
| Annual growth/decline rate | +2.08% | -0.73% |
| Population growth rate rank | 45/197 | 190/197 |
| One migration net change every |
34.5 minutes
|
17.2 minutes
|
| Annual migration change | -15,258 | -30,724 |
| Net migration rank | 145/196 | 165/196 |
| Foreign-born residents | 1,403,281 | 40,698 |
| Foreign-born residents rank | 49/195 | 156/195 |
| Foreign-born share of population | 0.6% | 0.2% |
| Foreign-born share rank | 173/195 | 190/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Nigeria
|
Sri Lanka
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -15,258 | - | -30,724 |
| 2024 | 4,851,833 | -35,202 | 50,407 | -27,245 |
| 2023 | 4,834,309 | -57,936 | 66,111 | -28,011 |
| 2022 | 4,739,502 | -51,680 | 95,378 | -27,435 |
| 2021 | 4,641,562 | -86,115 | 121,858 | -29,586 |
| 2020 | 4,525,164 | -14,497 | 170,968 | -29,875 |
| 2019 | 4,609,941 | -99,722 | 172,243 | -28,426 |
| 2018 | 4,659,898 | -76,565 | 183,610 | -28,607 |
| 2017 | 4,706,183 | 78,685 | 187,993 | -22,324 |
| 2016 | 4,761,594 | 75,265 | 194,232 | -18,388 |
| 2015 | 4,823,045 | -116,162 | 201,815 | -29,797 |
| 2014 | 4,862,319 | -19,376 | 211,541 | -33,672 |
| 2013 | 4,811,751 | 40,201 | 221,021 | -37,754 |
| 2012 | 4,774,508 | 71,138 | 229,138 | -41,955 |
| 2011 | 4,728,363 | 67,808 | 224,461 | -90,839 |
| 2010 | 4,629,173 | 47,966 | 224,325 | -98,060 |
| 2009 | 4,528,149 | -18,422 | 200,175 | -81,130 |
| 2008 | 4,412,976 | -13,646 | 232,225 | -97,144 |
| 2007 | 4,265,428 | -9,162 | 248,287 | -109,695 |
| 2006 | 4,135,703 | -12,093 | 248,706 | -107,045 |
| 2005 | 4,013,788 | -17,146 | 248,683 | -118,594 |
| 2004 | 3,877,376 | 46,370 | 212,527 | -84,795 |
| 2003 | 3,751,120 | 33,857 | 252,008 | -107,573 |
| 2002 | 3,606,814 | 69,594 | 252,840 | -105,718 |
| 2001 | 3,478,370 | 64,163 | 244,377 | 19,273 |
| 2000 | 3,343,196 | 74,535 | 227,060 | 123,894 |
| 1999 | 3,155,425 | 97,195 | 206,876 | 138,799 |
| 1998 | 3,003,946 | 145,575 | 201,059 | 150,724 |
| 1997 | 2,936,500 | 96,885 | 208,193 | 135,636 |
| 1996 | 2,882,205 | 84,448 | 215,290 | 127,236 |
| 1995 | 2,830,771 | 73,243 | 221,957 | 117,416 |
| 1994 | 2,735,198 | 128,134 | 228,904 | 8,323 |
| 1993 | 2,673,675 | 90,200 | 226,257 | 36,232 |
| 1992 | 2,596,173 | 138,412 | 222,230 | 88,542 |
| 1991 | 2,527,807 | 42,760 | 218,117 | -1,047 |
| 1990 | 2,491,928 | 135,959 | 224,454 | -195,736 |
| 1989 | 2,452,324 | 99,588 | 212,401 | -33,305 |
| 1988 | 2,376,419 | 93,510 | 219,184 | -58,415 |
| 1987 | 2,322,397 | 64,418 | 226,414 | -63,105 |
| 1986 | 2,295,003 | 29,682 | 233,782 | -26,460 |
| 1985 | 2,289,784 | 61,514 | 247,836 | -80,950 |
| 1984 | 2,278,060 | 113,758 | 263,175 | -225,450 |
| 1983 | 2,292,089 | -507,539 | 277,768 | -209,362 |
| 1982 | 2,233,401 | 101,116 | 300,030 | -163,987 |
| 1981 | 2,179,884 | 106,723 | 328,096 | -89,824 |
| 1980 | 2,121,618 | 198,672 | 328,155 | -63,541 |
| 1979 | 2,074,807 | 137,721 | 329,791 | -57,683 |
| 1978 | 2,019,621 | 111,258 | 317,055 | -50,189 |
| 1977 | 1,923,917 | 129,075 | 300,038 | -45,383 |
| 1976 | 1,827,289 | 72,889 | 291,816 | -41,258 |
| 1975 | 1,718,623 | 75,603 | 282,496 | -37,475 |
| 1974 | 1,624,813 | 44,281 | 275,521 | -33,979 |
| 1973 | 1,525,485 | -618 | 278,577 | -30,582 |
| 1972 | 1,448,928 | -12,962 | 282,494 | -27,071 |
| 1971 | 1,373,896 | -35,639 | 281,200 | -22,021 |
| 1970 | 1,295,507 | 7,953 | 286,719 | -16,299 |
| 1969 | 1,213,484 | 6,912 | 286,218 | -10,152 |
| 1968 | 1,168,254 | 9,615 | 286,642 | -7,163 |
| 1967 | 1,082,884 | 18,683 | 284,738 | -6,696 |
| 1966 | 1,095,582 | 12,513 | 275,549 | -6,794 |
| 1965 | 1,061,840 | 32,988 | 272,422 | -7,249 |
| 1964 | 1,028,272 | 26,411 | 269,584 | -7,614 |
| 1963 | 995,116 | 27,115 | 262,880 | -8,118 |
| 1962 | 966,452 | 27,906 | 256,719 | -8,909 |
| 1961 | 932,111 | 25,515 | 251,087 | -10,144 |
| 1960 | 901,301 | 12,131 | 247,631 | -12,610 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/nigeria/sri-lanka | CC BY
Over the last 10 years, 99.2% of the population change in Nigeria is from natural causes (a gain of 47,153,031 people) and 0.81% is from migration (a loss of 383,929 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, 1,403,281 residents or 0.6% of the population were not native-born in Nigeria, compared to 40,698 people or 0.2% in Sri Lanka.
Biggest cities by population
|
Nigeria
|
|
|---|---|
| City | Population |
| Lagos | 15.1M |
| Kano | 4.35M |
| Port Harcourt | 3.32M |
| Ibadan | 2.56M |
| Benin | 1.78M |
| Abuja | 1.69M |
| Onitsha | 1.48M |
| Aba | 1.16M |
| Enugu | 1.03M |
| Owerri | 908K |
|
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 differences between Nigeria and Sri Lanka
|
Nigeria
|
Sri Lanka
|
|
|---|---|---|
| Life expectancy | 55 years | 78 years |
| Average age | 23.6 years | 36 years |
| Median age | 19.2 years | 34.4 years |
| Male:Female ratio | 50.6:49.4 | 48.4:51.6 |
| Fertility rate | 4.38 births per woman | 1.95 births per woman |
| Population density | 689 ppl/mi² | 916 ppl/mi² |
Population map with other countries
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/nigeria/sri-lanka | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-07-08)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
- U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
- Wikidata (2026, retrieved 2026-07-08)
- Central Intelligence Agency (CIA) (2000–2019, 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.