1911 Census of England and Wales, General Report with Appendices, Table 12: " Proportions of Blind, Deaf and Dumb, and Mentally Deranged per Million living at various Ages in the United Kingdom and in its several Divisions, 1911- Males and Females".

Enum-
erated
in—
Infirmities. AGES.
All
Ages.
Under
5.
5— 10— 15— 20— 25— 35— 45— 55— 65— 75— 85 and
up-
wards.
United
King-
dom
Blind M. 776 114 170 235 289 354 422 717 1,226 1,913 3,910 7,948 15,690
F. 728 104 141 190 242 275 350 506 800 1,617 3,619 8,173 17,105
Deaf and
Dumb
M. 539 85 477 621 506 595 637 604 628 675 651 644 422
F. 429 88 372 483 398 430 449 495 533 580 534 433 624
Mentally
Deranged
M. 4,687 532 1,704 2,585 3,542 5,296 7,303 9,002 10,609 10,199 9,878 9,366
F. 4,778 425 1,228 2,088 2,838 4,344 6,799 9,755 11,984 12,089 13,303 16,476
Eng-
land
and
Wales
Blind M. 760 130 184 250 296 357 417 715 1,203 1,945 3,864 8,082 17,109
F. 702 112 146 193 247 285 349 502 780 1,605 3,588 8,149 17,329
Deaf and
Dumb
M. 468 80 418 520 413 520 576 527 550 588 536 555 396
F. 373 85 307 422 330 372 389 450 480 514 450 355 460
Mentally
Deranged
M. 4,370 169 967 1,785 2,637 3,430 4,737 6,481 8,163 9,855 10,254 10,762 10,775
F. 4,604 121 745 1,278 2,170 2,825 4,061 6,370 9,239 11,462 12,419 14,203 18,127
Scot-
land
Blind M. 709 70 151 235 360 431 471 743 1,377 1,784 3,218 6,033 10,340
F. 685 94 184 234 222 256 370 491 858 1,473 3,065 7,771 13,291
Deaf and
Dumb
M. 611 89 597 924 673 679 582 681 707 698 549 628 334
F. 512 91 629 666 506 542 517 526 557 580 591 535 949
Mentally
Deranged
M. 5,062 164 938 1,682 2,763 3,944 6,056 8,341 10,278 11,766 11,405 10,096 8,005
F. 4,870 140 965 1,307 2,015 2,692 4,444 6,859 10,324 12,454 13,329 14,344 14,715
Ire-
land
Blind M. 973 27 77 110 154 251 413 703 1,262 1,786 4,480 8,347 13,521
F. 991 46 46 110 221 200 327 562 913 1,879 4,106 8,561 18,238
Deaf and
Dumb
M. 1,024 122 833 1,086 1,042 1,092 1,259 1,178 1,206 1,336 1,188 963 535
F. 803 107 621 882 827 822 939 888 1,000 1,140 869 726 1,184
Mentally
Deranged
M. 6,808 294 1,077 1,987 3,999 9,513 13,227 14,803 15,344 9,313 6,704 5,622
F. 6,148 246 715 1,509 3,137 6,949 10,818 13,906 15,846 9,840 8,388 9,711