1921 Census of England and Wales, General Report with Appendices, Table 7 : " Populations and Intercensal Changes in six Geographical Divisions of England and Wales, 1901-1921".

Area. Population. Increase or
Decrease (-)
per cent. in
Intercensal Period.
1901. 1911. 1921. 1901-11. 1911-21.
England and Wales 32,527,843 36,070,492 37,886,699 10.9 5.0
Wales (including Monmouthshire) 2,012,876 2,420,921 2,656,474 20.3 9.7
Central Counties (Derbyshire, Nottinghamshire, Staffordshire, Shropshire, Leicestershire, Northamptonshire, Warwickshire, Worcestershire, Herefordshire, Gloucestershire, Oxfordshire, Buckinghamshire and Bedfordshire). 6,128,895 6,727,656 7,090,489 9.8 5.4
Northern Counties (Cheshire, Northumberland, Durham, Cumberland, Westrnorland, Lancashire and Yorkshire). 10,937,749 12,098,649 12,699,785 10.6 5.0
London and Surrounding Counties (London, Middlesex, Essex, Hertfordshire, Surrey and Kent). 8,285,964 9,201,484 9,612,729 11.0 4.5
Southern Counties (Berkshire, Wiltshire, Sussex, Hampshire, Dorsetshire, Somersetshire, Devonshire and Cornwall). 3,553,838 3,890,649 4,044,133 9.5 3.9
Eastern Counties (Lincolnshire, Rutlandshire, Huntingdonshire, Cambridgeshire, Norfolk and Suffolk). 1,608,521 1,731,133 1,783,089 7.6 3.0