Intergenerational social mobility* in the 1958 and 1970 cohort studies
| Social class in childhood | N | Social mobility into adulthood | ||
|---|---|---|---|---|
| Upward | Stable | Downward | ||
| 1958 cohort | ||||
| I/II | 3876 (3764 to 3989) | NA | 0.55 (0.53 to 0.57) | 0.45 (0.43 to 0.47) |
| IIINM | 1576 (1488 to 1665) | 0.41 (0.38 to 0.44) | 0.26 (0.24 to 0.29) | 0.32 (0.30 to 0.35) |
| IIIM | 7306 (7163 to 7448) | 0.52 (0.51 to 0.54) | 0.23 (0.22 to 0.24) | 0.24 (0.23 to 0.26) |
| IV/V | 4010 (3892 to 4127) | 0.67 (0.65 to 0.69) | 0.33 (0.31 to 0.35) | NA |
| N | 7160 (7005 to 7314) | 5559 (5417 to 5701) | 4050 (3925 to 4174) | |
| 1970 cohort | ||||
| I/II | 4819 (4688 to 4950) | NA | 0.60 (0.58 to 0.62) | 0.40 (0.38 to 0.42) |
| IIINM | 1497 (1414 to 1581) | 0.48 (0.45 to 0.51) | 0.23 (0.20 to 0.25) | 0.29 (0.26 to 0.32) |
| IIIM | 7540 (7381 to 7698) | 0.57 (0.56 to 0.58) | 0.24 (0.23 to 0.25) | 0.19 (0.17 to 0.20) |
| IV/V | 2912 (2793 to 3031) | 0.75 (0.72 to 0.77) | 0.25 (0.22 to 0.28) | NA |
| N | 7192 (7033 to 7351) | 5785 (5619 to 5952) | 3790 (3647 to 3934) | |
*Proportion mobile based on Registrar General's social class of father at age 11 (1958 cohort) or age 10 (1970 cohort) and own Registrar General's social class at age 33 (1958 cohort) or age 34 (1970 cohort). Data averaged over 20 filled-in datasets with sample size 17 413 (1958 cohort) and 16 768 (1970 cohort). IIINM, III non-manual; IIIM, III manual.