In a sub-division of Whitechapel, in 1865–6, close upon 58 per cent. were under five; in Poplar a fraction short of 47 per cent.
In Kensington, in 1866, 40·6 per cent. were under five.
Each year the Medical Officer of Health for Fulham drew attention to, and protested against, the high rate, nearly 50 per cent., of infantile mortality under five, in 1867–8.
In Wandsworth, in 1870–1 = 47 per cent.
In Camberwell, in 1868 = nearly 50 per cent.
In St. Mary, Newington, and in Rotherhithe = 50 per cent.
In Bermondsey, in 1869–70 = 56 per cent.
In certain streets the percentage was much higher. Thus in Paddington (1870–1):—
| Woodchester | Street | 56 | per cent. | |
| Cirencester | „ | 65 | „ | |
| Clarendon | „ | 72 | „ |