| 1 | A | B | C | D | E | F | G |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | canadian population aged 15 years and over with a disability, by disability type and sex, 2017 |  |  |  |  |  |  |
| 3 | disability type | both |  | women |  | men |  |
| 4 |  | number | percent | number | percent | number | percent |
| 5 | total population - aged 15 years and over | 28,008,860 | 100.0 | 14,345,330 | 100.0 | 13,663,530 | 100.0 |
| 6 | pain-related | 4,062,000 | 14.5 | 2,374,230 | 16.6 | 1,687,770 | 12.4 |
| 7 | flexibility | 2,795,110 | 10.0 | 1,568,970 | 10.9 | 1,226,140 | 9.0 |
| 8 | mobility | 2,676,370 | 9.6 | 1,601,010 | 11.2 | 1,075,350 | 7.9 |
| 9 | mental health-related | 2,027,370 | 7.2 | 1,272,490 | 8.9 | 754,880 | 5.5 |
| 10 | seeing | 1,519,840 | 5.4 | 903,040 | 6.3 | 616,800 | 4.5 |
| 11 | hearing | 1,334,520 | 4.8 | 619,360 | 4.3 | 715,160 | 5.2 |
| 12 | dexterity | 1,275,610 | 4.6 | 784,120 | 5.5 | 491,490 | 3.6 |
| 13 | learning | 1,105,680 | 3.9 | 560,970 | 3.9 | 544,700 | 4.0 |
| 14 | memory | 1,050,840 | 3.8 | 575,760 | 4.0 | 475,080 | 3.5 |
| 15 | developmental | 315,470 | 1.1 | 123,310 | 0.9 | 192,160 | 1.4 |
| 16 | unknown | 155,810 | 0.6 | 75,150 | 0.5 | 80,660 | 0.6 |

Question: list top 4 disability types that were common among canadians aged 15 years and over.
Answer: pain-related, flexibility, mobility, mental health-related

Question: what is the least prevalent disability type among canadian aged 15 years and over?
Answer: developmental