| Source | UN (World Population Prospects 2024) |
| Date | 23 Aug 2024 |
As of 2024, the population of Sri Lanka is projected at 23.10 million, compared to 22.97 million in 2023. It ranks 61st in the world by population and 24th in Asia. The population growth rate in 2024 is projected at 0.57 percent, the 139th highest among 237 countries and dependent territories.
There are 11.18 million males and 11.93 million females in Sri Lanka. The percentage of the male population is 48.38%, compared to 51.62% of the female population. Sri Lanka has 748k more females than males. The sex ratio in Sri Lanka in 2024 will be 93.724 males per 100 females. Sri Lanka is in the 42nd position in terms of the female-to-male ratio.
| Year | Population | Growth (%) | M per 100 F | ||
|---|---|---|---|---|---|
| Male | Female | Total | |||
| 1950 | 4,245,729 | 3,565,318 | 7,811,047 | 1.79 | 119.084 |
| 1955 | 4,606,244 | 4,017,086 | 8,623,331 | 2.10 | 114.666 |
| 1960 | 5,094,837 | 4,566,552 | 9,661,389 | 2.43 | 111.569 |
| 1965 | 5,698,328 | 5,218,637 | 10,916,965 | 2.43 | 109.192 |
| 1970 | 6,359,227 | 5,927,883 | 12,287,110 | 2.20 | 107.277 |
| 1975 | 6,964,025 | 6,584,958 | 13,548,984 | 1.81 | 105.757 |
| 1980 | 7,587,182 | 7,260,792 | 14,847,974 | 1.78 | 104.495 |
| 1985 | 7,900,349 | 7,643,805 | 15,544,154 | 1.07 | 103.356 |
| 1990 | 8,245,167 | 8,107,291 | 16,352,458 | 0.18 | 101.701 |
| 1995 | 8,789,302 | 8,774,765 | 17,564,068 | 1.93 | 100.166 |
| 2000 | 9,596,658 | 9,696,396 | 19,293,054 | 1.82 | 98.971 |
| 2005 | 9,962,011 | 10,254,513 | 20,216,524 | 0.64 | 97.148 |
| 2010 | 10,168,193 | 10,710,896 | 20,879,089 | 0.60 | 94.933 |
| 2015 | 10,537,979 | 11,191,992 | 21,729,971 | 0.82 | 94.156 |
| 2020 | 10,926,050 | 11,635,756 | 22,561,807 | 0.65 | 93.901 |
| 2021 | 10,990,301 | 11,710,071 | 22,700,372 | 0.57 | 93.853 |
| 2022 | 11,052,402 | 11,782,563 | 22,834,965 | 0.61 | 93.803 |
| 2023 | 11,115,844 | 11,855,773 | 22,971,617 | 0.58 | 93.759 |
| 2024 | 11,177,555 | 11,926,010 | 23,103,565 | 0.56 | 93.724 |
| Year | Life expectancy | Median age | Fertility rate |
|---|---|---|---|
| 1950 | 53.169 | 19.859 | 5.462 |
| 1955 | 57.178 | 19.078 | 5.308 |
| 1960 | 60.602 | 18.498 | 5.352 |
| 1965 | 62.793 | 18.488 | 4.934 |
| 1970 | 64.352 | 18.993 | 4.387 |
| 1975 | 65.355 | 19.671 | 3.816 |
| 1980 | 68.006 | 20.387 | 3.725 |
| 1985 | 68.881 | 21.122 | 2.895 |
| 1990 | 69.239 | 22.578 | 2.541 |
| 1995 | 69.746 | 24.323 | 2.353 |
| 2000 | 71.179 | 26.197 | 2.213 |
| 2005 | 73.073 | 27.676 | 2.263 |
| 2010 | 74.463 | 29.220 | 2.134 |
| 2015 | 75.990 | 30.732 | 2.090 |
| 2020 | 76.928 | 32.074 | 2.007 |
| 2021 | 76.278 | 32.318 | 1.995 |
| 2022 | 77.300 | 32.561 | 1.984 |
| 2023 | 77.483 | 32.812 | 1.974 |
| 2024 | 77.672 | 33.072 | 1.952 |
| Year | Total | Crude(per 1000) | ||
|---|---|---|---|---|
| Death | Birth | Crude death | Crude birth | |
| 1950 | 148,586 | 280,651 | 19.023 | 35.930 |
| 1955 | 119,665 | 312,004 | 13.877 | 36.181 |
| 1960 | 103,367 | 350,999 | 10.699 | 36.330 |
| 1965 | 96,648 | 369,071 | 8.853 | 33.807 |
| 1970 | 96,168 | 382,894 | 7.827 | 31.162 |
| 1975 | 99,448 | 381,947 | 7.340 | 28.190 |
| 1980 | 96,559 | 424,706 | 6.503 | 28.604 |
| 1985 | 100,717 | 348,540 | 6.479 | 22.423 |
| 1990 | 111,344 | 335,791 | 6.809 | 20.535 |
| 1995 | 122,734 | 344,690 | 6.988 | 19.625 |
| 2000 | 127,969 | 355,040 | 6.633 | 18.402 |
| 2005 | 129,681 | 378,376 | 6.415 | 18.716 |
| 2010 | 133,680 | 358,011 | 6.403 | 17.147 |
| 2015 | 139,039 | 348,168 | 6.398 | 16.022 |
| 2020 | 153,684 | 331,170 | 6.812 | 14.678 |
| 2021 | 169,414 | 328,525 | 7.463 | 14.472 |
| 2022 | 159,011 | 326,112 | 6.963 | 14.281 |
| 2023 | 162,453 | 324,102 | 7.072 | 14.109 |
| 2024 | 162,934 | 320,429 | 7.052 | 13.869 |
| Year | Population | Urban (%) | |
|---|---|---|---|
| Urban | Rural | ||
| 1950 | 1,221,741 | 6,749,357 | 15.327 |
| 1955 | 1,373,606 | 7,404,843 | 15.647 |
| 1960 | 1,622,519 | 8,251,962 | 16.431 |
| 1965 | 1,901,067 | 9,209,761 | 17.110 |
| 1970 | 2,197,238 | 10,288,518 | 17.598 |
| 1975 | 2,489,237 | 11,265,924 | 18.097 |
| 1980 | 2,797,666 | 12,238,190 | 18.607 |
| 1985 | 3,011,554 | 13,168,242 | 18.613 |
| 1990 | 3,212,099 | 14,117,614 | 18.535 |
| 1995 | 3,367,985 | 14,879,136 | 18.458 |
| 2000 | 3,452,171 | 15,329,767 | 18.380 |
| 2005 | 3,573,620 | 15,950,938 | 18.303 |
| 2010 | 3,681,427 | 16,516,926 | 18.226 |
| 2015 | 3,781,471 | 16,932,569 | 18.256 |
| 2020 | 3,945,488 | 17,138,554 | 18.713 |
| 2021 | 3,988,114 | 17,157,885 | 18.860 |
| 2022 | 4,034,302 | 17,170,199 | 19.026 |
| 2023 | 4,083,985 | 17,174,747 | 19.211 |
| 2024 | 4,137,016 | 17,170,471 | 19.416 |
| Age group | Male | Female | Total | M per 100 F | |
|---|---|---|---|---|---|
| Persons | Share (%) | ||||
| 00-04 | 827,620 | 793,866 | 1,621,487 | 7.02 | 104.252 |
| 05-09 | 860,893 | 826,429 | 1,687,322 | 7.30 | 104.170 |
| 10-14 | 905,159 | 875,814 | 1,780,973 | 7.71 | 103.351 |
| 15-19 | 914,194 | 894,482 | 1,808,677 | 7.83 | 102.204 |
| 20-24 | 862,230 | 840,472 | 1,702,701 | 7.37 | 102.589 |
| 25-29 | 827,720 | 814,553 | 1,642,273 | 7.11 | 101.616 |
| 30-34 | 783,288 | 812,555 | 1,595,843 | 6.91 | 96.398 |
| 35-39 | 740,616 | 801,712 | 1,542,329 | 6.68 | 92.379 |
| 40-44 | 789,207 | 847,624 | 1,636,832 | 7.08 | 93.108 |
| 45-49 | 728,562 | 781,504 | 1,510,065 | 6.54 | 93.226 |
| 50-54 | 639,578 | 693,923 | 1,333,501 | 5.77 | 92.168 |
| 55-59 | 602,150 | 673,414 | 1,275,564 | 5.52 | 89.418 |
| 60-64 | 536,865 | 632,692 | 1,169,556 | 5.06 | 84.854 |
| 65-69 | 447,134 | 558,688 | 1,005,822 | 4.35 | 80.033 |
| 70-74 | 338,139 | 460,401 | 798,539 | 3.46 | 73.444 |
| 75-79 | 215,686 | 327,134 | 542,820 | 2.35 | 65.932 |
| 80-84 | 103,156 | 175,981 | 279,137 | 1.21 | 58.618 |
| 85-89 | 41,236 | 80,707 | 121,944 | 0.53 | 51.093 |
| 90-94 | 12,063 | 28,579 | 40,642 | 0.18 | 42.209 |
| 95-99 | 1,922 | 5,042 | 6,963 | 0.03 | 38.120 |
| 100+ | 137 | 438 | 575 | 0.00 | 31.279 |
| Total | 11,177,555 | 11,926,010 | 23,103,565 | 93.724 | |