Census data have revealed the healthiest and unhealthiest areas of England and Wales.
Office for National Statistics (ONS) general health figures, based on the 2021 census, show Elmbridge in Surrey is the healthiest area, with 88.1% of people reporting good or very good health.
Tower Hamlets in London and Merthyr Tydfil in Wales are the least healthy areas, with 9.5% of people in each reporting bad or very bad health.
A full breakdown can be seen in the below interactive map, and a list of the 20 healthiest and 20 unhealthiest areas can be seen at the bottom of this page.
The overall data suggest health has improved across both England and Wales over the past decade.
After adjusting for differences in age profiles of the population between 2011 and 2021, data showed 45.5% of people in England and Wales reported having very good health in the latest survey.
That percentage represents 28.8 million people, up slightly from 45% or 26.4 million people in 2011.
In England, there were decreases in the proportion of people reporting good health (from 34.8% in 2011 to 34.2% to 2021), bad health (4.6% to 4.1%) and very bad health (1.4% to 1.2%).
In Wales, there was an increase in people reporting good health (from 31.4% in 2011 to 32.5% in 2021) and decreases in the proportion of people who reported bad health (6% to 5.1%) and very bad health (1.9% to 1.6%).
The census takes place every 10 years and is a way of collecting data about the population in order to provide detailed information about various national demographics.
The 20 healthiest areas of England and Wales
Elmbridge (88.1% reporting good or very good health)
City of London (87.8%)
Isles of Scilly (87.6%)
Richmond upon Thames (87.6%)
Windsor and Maidenhead (87.4%)
St Albans (87.2%)
Mole Valley (87.1%)
Surrey Heath (87%)
South Oxfordshire (86.9%)
Epsom and Ewell (86.5%)
Mid Sussex (86.5%)
Ribble Valley (86.4%)
The 20 unhealthiest areas of England and Wales
Tower Hamlets (9.5% reporting bad or very bad health)
Merthyr Tydfil (9.5%)
Blaenau Gwent (9.3%)
Neath Port Talbot (8.5%)
Rhondda Cynon Taf (8.3%)
Blackburn with Darwen (7.8%)