Estimated numbers of cases of dementia in people under the age of 65 in the UK
| Age | UK Population 2001 | All causes of dementia | Alzheimer’s disease | Vascular dementia | Frontotemporal dementia | Alcohol related dementia |
|---|---|---|---|---|---|---|
| *95% confidence interval of the estimate. | ||||||
| 30–34 | 4493585 | 570 (209 to 1240)* | ||||
| 35–39 | 4625810 | 369 (76 to 1078) | ||||
| 40–44 | 4151580 | 645 (237 to 1403) | 107 (27 to 598) | |||
| 45–49 | 3735964 | 1232 (616 to 2204) | 224 (27 to 811) | 448 (122 to 1147) | 224 (27 to 811) | |
| 50–54 | 4040437 | 2523 (1519 to 3939) | 664 (216 to 1552) | 266 (32 to 96) | 133 (34 to 739) | 797 (293 to 1733) |
| 55–59 | 3338861 | 5079 (3673 to 6878) | 1693 (925 to 2841) | 1088 (497 to 2267) | 847 (341 to 1743) | 605 (196 to 1412) |
| 60–64 | 2879948 | 4789 (3456 to 6451) | 2228 (1359 to 3427) | 1114 (533 to 2048) | 668 (245 to 1454) | 334 (69 to 976) |
| 30–64 | 27266185 | 18319 (15296 to 21758) | 5918 (4254 to 7989) | 2959 (1832 to 4526) | 2536 (1502 to 4008) | 2255 (1290 to 3654) |
| 45–64 | 13995210 | 13728 (1134 to 16514) | 4894 (3513 to 6634) | 2507 (1553 to 3835) | 2149 (1274 to 3401) | 1910 (1092 to 3107) |