R_FERTILITY = (BIRTH_TOT:total * 1000.0) / AGE_FERTILE:female/F
| Data Role | Period Covered | Authority | Source | Details | Method |
|---|---|---|---|---|---|
| BIRTH_TOT:total | 1871 | RG_QR | Quarterly Report | Registrar General, Quarterly Report (HM Stationery Office) , | Exact count provided by a government statistical office for this area |
| AGE_FERTILE:female/F | 1871 | SRC | GBH Source Documentation System | 1871 Census of England and Wales, Ages, Table 3 , 'Ages of Males and Females in Registrars' Sub-Districts' | Exact count provided by a government statistical office for this area |
| BIRTH_TOT:total | 1881 | RG_QR | Quarterly Report | Registrar General, Quarterly Report (HM Stationery Office) , | Exact count provided by a government statistical office for this area |
| AGE_FERTILE:female/F | 1881 | SRC | GBH Source Documentation System | 1881 Census of England and Wales, Ages, Table 3 , 'Ages of Males and Females in Registration Sub-Districts' | Exact count provided by a government statistical office for this area |
| BIRTH_TOT:total | 1891 | RG_QR | Quarterly Report | Registrar General, Quarterly Report (HM Stationery Office) , | Exact count provided by a government statistical office for this area |
| AGE_FERTILE:female/F | 1891 | SRC | GBH Source Documentation System | 1891 Census of England and Wales, Ages, Table 2 , 'Ages of Males and Females in Registration Districts' | Exact count provided by a government statistical office for this area |
| BIRTH_TOT:total | 1901 | RG_QR | Quarterly Report | Registrar General, Quarterly Report (HM Stationery Office) , | Exact count provided by a government statistical office for this area |
| AGE_FERTILE:female/F | 1901 | SRC | GBH Source Documentation System | 1901 Census of England and Wales, County Report, Table 26 , 'Ages of Persons, Males and Females, in the Registration County, and in Registration Districts, 1901' | Exact count provided by a government statistical office for this area |
| BIRTH_TOT:total | 1911 | RG_QR | Quarterly Report | Registrar General, Quarterly Report (HM Stationery Office) , | Exact count provided by a government statistical office for this area |
| AGE_FERTILE:female/F | 1911 | SRC | GBH Source Documentation System | 1911 Census of England and Wales, Ages, Table 11 , 'Registration Counties and Registration Districts - Persons, Males and Females in each registration county; Males and Females in each registration district at each year of age under 21 and in quinquennial age-groups, 1911' | Exact count provided by a government statistical office for this area |
Live births per thousand women aged 20 to 49. The General Fertility Rate is usually defined relative to the number of women aged 15 to 49, but in Britain the ages 20 to 49 are generally more appropriate.