| Source | UN (World Population Prospects 2022) |
| Date | 29 Mar 2024 |
There are 10.56 million males and 11.38 million females in Sri Lanka. The percentage of the male population is 48.12%, compared to 51.88% of the female population. Sri Lanka has 8268k more females than males. The sex ratio in Sri Lanka in 2024 will be 92.748 males per 100 females. Sri Lanka is in the 33rd position in terms of the female-to-male ratio.
| Year | Population | Growth (%) |
|---|---|---|
| 1950 | 7,945,977 | 1.77 |
| 1955 | 8,749,627 | 2.03 |
| 1960 | 9,783,871 | 2.42 |
| 1965 | 11,035,224 | 2.38 |
| 1970 | 12,388,769 | 2.17 |
| 1975 | 13,662,873 | 1.80 |
| 1980 | 14,943,645 | 1.73 |
| 1985 | 16,092,338 | 1.39 |
| 1990 | 17,204,094 | 1.26 |
| 1995 | 18,177,572 | 0.85 |
| 2000 | 18,776,371 | 0.52 |
| 2005 | 19,673,866 | 0.95 |
| 2010 | 20,668,557 | 0.89 |
| 2015 | 21,336,697 | 0.43 |
| 2020 | 21,715,079 | 0.29 |
| 2021 | 21,773,441 | 0.24 |
| 2022 | 21,832,143 | 0.30 |
| 2023 | 21,893,579 | 0.27 |
| 2024 | 21,949,268 | 0.24 |
| Year | Total | Crude(per 1000) | ||
|---|---|---|---|---|
| Death | Birth | Crude death | Crude birth | |
| 1950 | 152,260 | 285,353 | 19.167 | 35.921 |
| 1955 | 131,593 | 320,976 | 15.027 | 36.654 |
| 1960 | 108,578 | 357,945 | 11.090 | 36.560 |
| 1965 | 101,633 | 372,923 | 9.206 | 33.780 |
| 1970 | 94,057 | 379,726 | 7.587 | 30.631 |
| 1975 | 98,258 | 381,220 | 7.181 | 27.860 |
| 1980 | 96,865 | 421,530 | 6.468 | 28.146 |
| 1985 | 93,921 | 370,764 | 5.827 | 23.004 |
| 1990 | 102,009 | 354,541 | 5.923 | 20.586 |
| 1995 | 115,531 | 343,872 | 6.343 | 18.880 |
| 2000 | 152,525 | 342,452 | 8.101 | 18.189 |
| 2005 | 147,508 | 370,691 | 7.489 | 18.821 |
| 2010 | 152,389 | 363,013 | 7.369 | 17.553 |
| 2015 | 149,258 | 339,695 | 6.980 | 15.886 |
| 2020 | 153,533 | 309,760 | 7.056 | 14.235 |
| 2021 | 160,593 | 305,877 | 7.360 | 14.019 |
| 2022 | 159,362 | 301,383 | 7.287 | 13.781 |
| 2023 | 162,146 | 297,987 | 7.393 | 13.587 |
| 2024 | 164,915 | 295,432 | 7.500 | 13.436 |
| 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 | 763,284 | 731,811 | 1,495,094 | 6.81 | 104.301 |
| 05-09 | 817,848 | 784,540 | 1,602,389 | 7.30 | 104.246 |
| 10-14 | 881,992 | 855,928 | 1,737,920 | 7.92 | 103.045 |
| 15-19 | 901,835 | 879,288 | 1,781,122 | 8.11 | 102.564 |
| 20-24 | 830,418 | 808,342 | 1,638,761 | 7.47 | 102.731 |
| 25-29 | 751,118 | 736,913 | 1,488,031 | 6.78 | 101.928 |
| 30-34 | 703,751 | 737,174 | 1,440,926 | 6.56 | 95.466 |
| 35-39 | 664,852 | 727,012 | 1,391,864 | 6.34 | 91.450 |
| 40-44 | 749,886 | 813,218 | 1,563,104 | 7.12 | 92.212 |
| 45-49 | 682,760 | 739,212 | 1,421,973 | 6.48 | 92.363 |
| 50-54 | 618,976 | 678,773 | 1,297,749 | 5.91 | 91.190 |
| 55-59 | 573,557 | 652,220 | 1,225,777 | 5.58 | 87.939 |
| 60-64 | 531,891 | 628,169 | 1,160,060 | 5.29 | 84.673 |
| 65-69 | 429,714 | 539,706 | 969,419 | 4.42 | 79.620 |
| 70-74 | 325,587 | 453,933 | 779,519 | 3.55 | 71.726 |
| 75-79 | 198,995 | 320,912 | 519,908 | 2.37 | 62.009 |
| 80-84 | 91,746 | 178,933 | 270,680 | 1.23 | 51.274 |
| 85-89 | 33,523 | 85,739 | 119,263 | 0.54 | 39.099 |
| 90-94 | 8,662 | 29,764 | 38,425 | 0.18 | 29.102 |
| 95-99 | 1,276 | 5,389 | 6,665 | 0.03 | 23.678 |
| 100+ | 79 | 541 | 620 | 0.00 | 14.603 |
| Total | 10,561,750 | 11,387,517 | 21,949,269 | 92.748 | |