R_INF_MORT = (INF_DEATHS:im * 1000.0) / BIRTH_TOT:total
| Data Role | Period Covered | Authority | Source | Details | Method |
|---|---|---|---|---|---|
| INF_DEATHS:im | 1861 | RG_AR | Annual Report | Registrar General, Annual Report (HM Stationery Office) , 1861 | Counts for historical Registration Districts redistricted by vector overlay |
| INF_DEATHS:im | 1881 | RG_QR | Quarterly Report | Registrar General, Quarterly Report (HM Stationery Office) , 1881 | Counts for historical Registration Districts redistricted by vector overlay |
| INF_DEATHS:im | 1891 | RG_QR | Quarterly Report | Registrar General, Quarterly Report (HM Stationery Office) , 1891 | Counts for historical Registration Districts redistricted by vector overlay |
| INF_DEATHS:im | 1911 | RG_AR | Annual Report | Registrar General, Annual Report (HM Stationery Office) , 1911 | Counts for historical Registration Districts redistricted by vector overlay |
| INF_DEATHS:im | 1931 | RG_SR | Statistical Review | Registrar General, Statistical Review (HM Stationery Office) , 1931, Part I | Counts for historical Local Government Districts redistricted by vector overlay |
| INF_DEATHS:im | 1951 | RG_SR | Statistical Review | Registrar General, Statistical Review (HM Stationery Office) , 1951, Part I | Counts for historical Local Government Districts redistricted by vector overlay |
| INF_DEATHS:im | 1961 | RG_SR | Statistical Review | Registrar General, Statistical Review (HM Stationery Office) , 1961, Part I | Counts for historical Local Government Districts redistricted by vector overlay |
| INF_DEATHS:im | 1971 | RG_SR | Statistical Review | Registrar General, Statistical Review (HM Stationery Office) , 1971, Part I | Counts for historical Local Government Districts redistricted by vector overlay |
| INF_DEATHS:im | 1981 to 2001 | ONS_NS | Neighbourhood Statistics | Office for National Statistics, Neighbourhood Statistics | Counts for historical wards redistricted by vector overlay |
| INF_DEATHS:im | 2011 | ONS_NS | Neighbourhood Statistics | Office for National Statistics, Neighbourhood Statistics (Deaths Registered by Area of Usual Residence, UK) | Exact count provided by a government statistical office for this area |
| BIRTH_TOT:total | 2011 | ONS_NS | Neighbourhood Statistics | Office for National Statistics, Neighbourhood Statistics (Birth Summary Tables - England and Wales) | Exact count provided by a government statistical office for this area |
| INF_DEATHS:im | 2021 | NOMIS | NOMIS - Official Census and Labour Market Statistics | Office for National Statistics, NOMIS - Official Census and Labour Market Statistics (Mortality statistics - underlying cause, sex and age) | Exact count provided by a government statistical office for this area |
| BIRTH_TOT:total | 2021 | NOMIS | NOMIS - Official Census and Labour Market Statistics | Office for National Statistics, NOMIS - Official Census and Labour Market Statistics (Live births in England and Wales down to local authority local area) | Exact count provided by a government statistical office for this area |
Deaths per thousand live births. This is a good overall measure of the health of a population, although by the late twentieth century rates had become so low that just one death more or less could have a big impact on a district's relative performance.