| Country or Area | Year | Area | Sex | Age | Record Type | Reliability | Source Year | Value | |
|---|
| Sri Lanka | 2024 | Total | Both Sexes | Total | Census - de facto - complete tabulation | Final figure, complete | 2026 | 21,781,800 |
| Sri Lanka | 2024 | Total | Both Sexes | 0 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 180,077 |
| Sri Lanka | 2024 | Total | Both Sexes | 0 - 4 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 1,215,120 |
| Sri Lanka | 2024 | Total | Both Sexes | 1 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 218,166 |
| Sri Lanka | 2024 | Total | Both Sexes | 1 - 4 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 1,035,043 |
| Sri Lanka | 2024 | Total | Both Sexes | 2 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 248,898 |
| Sri Lanka | 2024 | Total | Both Sexes | 3 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 276,648 |
| Sri Lanka | 2024 | Total | Both Sexes | 4 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 291,331 |
| Sri Lanka | 2024 | Total | Both Sexes | 5 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 302,414 |
| Sri Lanka | 2024 | Total | Both Sexes | 5 - 9 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 1,556,523 |
| Sri Lanka | 2024 | Total | Both Sexes | 6 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 312,159 |
| Sri Lanka | 2024 | Total | Both Sexes | 7 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 308,212 |
| Sri Lanka | 2024 | Total | Both Sexes | 8 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 311,305 |
| Sri Lanka | 2024 | Total | Both Sexes | 9 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 322,433 |
| Sri Lanka | 2024 | Total | Both Sexes | 10 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 337,349 |
| Sri Lanka | 2024 | Total | Both Sexes | 10 - 14 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 1,735,196 |
| Sri Lanka | 2024 | Total | Both Sexes | 11 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 352,131 |
| Sri Lanka | 2024 | Total | Both Sexes | 12 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 350,100 |
| Sri Lanka | 2024 | Total | Both Sexes | 13 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 348,051 |
| Sri Lanka | 2024 | Total | Both Sexes | 14 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 347,565 |
| Sri Lanka | 2024 | Total | Both Sexes | 15 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 351,870 |
| Sri Lanka | 2024 | Total | Both Sexes | 15 - 19 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 1,795,038 |
| Sri Lanka | 2024 | Total | Both Sexes | 16 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 368,267 |
| Sri Lanka | 2024 | Total | Both Sexes | 17 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 366,328 |
| Sri Lanka | 2024 | Total | Both Sexes | 18 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 360,196 |
| Sri Lanka | 2024 | Total | Both Sexes | 19 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 348,377 |
| Sri Lanka | 2024 | Total | Both Sexes | 20 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 339,722 |
| Sri Lanka | 2024 | Total | Both Sexes | 20 - 24 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 1,608,606 |
| Sri Lanka | 2024 | Total | Both Sexes | 21 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 330,742 |
| Sri Lanka | 2024 | Total | Both Sexes | 22 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 317,151 |
| Sri Lanka | 2024 | Total | Both Sexes | 23 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 313,887 |
| Sri Lanka | 2024 | Total | Both Sexes | 24 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 307,104 |
| Sri Lanka | 2024 | Total | Both Sexes | 25 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 280,981 |
| Sri Lanka | 2024 | Total | Both Sexes | 25 - 29 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 1,372,458 |
| Sri Lanka | 2024 | Total | Both Sexes | 26 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 269,517 |
| Sri Lanka | 2024 | Total | Both Sexes | 27 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 270,206 |
| Sri Lanka | 2024 | Total | Both Sexes | 28 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 275,320 |
| Sri Lanka | 2024 | Total | Both Sexes | 29 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 276,434 |
| Sri Lanka | 2024 | Total | Both Sexes | 30 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 279,991 |
| Sri Lanka | 2024 | Total | Both Sexes | 30 - 34 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 1,414,060 |
| Sri Lanka | 2024 | Total | Both Sexes | 31 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 280,656 |
| Sri Lanka | 2024 | Total | Both Sexes | 32 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 286,564 |
| Sri Lanka | 2024 | Total | Both Sexes | 33 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 289,156 |
| Sri Lanka | 2024 | Total | Both Sexes | 34 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 277,693 |
| Sri Lanka | 2024 | Total | Both Sexes | 35 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 289,332 |
| Sri Lanka | 2024 | Total | Both Sexes | 35 - 39 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 1,452,703 |
| Sri Lanka | 2024 | Total | Both Sexes | 36 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 285,006 |
| Sri Lanka | 2024 | Total | Both Sexes | 37 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 282,813 |
| Sri Lanka | 2024 | Total | Both Sexes | 38 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 282,822 |
| Sri Lanka | 2024 | Total | Both Sexes | 39 | Census - de facto - complete tabulation | Final figure, complete | 2026 | 312,730 |