Percentage person years in each NS-SEC class by 1991 class and proportion remaining in 1991 class for 11 years for 3959 British household panel survey members aged 21–59 in 1991 with complete occupational histories from 1991 to 2001
| NS-SEC in 1991 | Number | Stable* | Percentage of all person years 1991-2001 in class | |||||
|---|---|---|---|---|---|---|---|---|
| NS-SEC 1 | NS-SEC 2 | NS-SEC 3 | NS-SEC 4 | NS-SEC 5 | Total | |||
| NS-SEC, National Statistics Socio-economic Classification of occupational class. *Proportion of occupational class who remained in the same class for each year during 1991–2001 | ||||||||
| Managerial and professional occupations | 1356 | 51.0 | 80.5 | 8.5 | 3.5 | 2.7 | 4.8 | 34.3 |
| Intermediate occupations | 647 | 26.1 | 20.5 | 64.4 | 2.9 | 1.7 | 5.7 | 16.3 |
| Small employers and own account workers | 359 | 49.3 | 8.8 | 3.8 | 73.7 | 3.3 | 10.4 | 9.1 |
| Lower supervisory and technical occupations | 444 | 21.4 | 13.1 | 5.0 | 4.4 | 56.6 | 20.9 | 11.2 |
| Semi-routine and routine occupations | 1153 | 48.0 | 5.8 | 4.8 | 3.8 | 7.6 | 78.1 | 19.1 |
| Total | 3959 | 42.6 | 34.9 | 15.7 | 9.9 | 10.0 | 29.4 | 100.0 |