Standard Industrial Classification (2007)
| 2021 Industrial Classification | 1991 | 2011 | 2021 |
|---|---|---|---|
| A: Agriculture, forestry & fishing |
446,695
|
287,010
|
302,046
|
| B: Mining & quarrying |
148,477
|
82,430
|
85,897
|
| C: Manufacturing |
4,758,739
|
2,649,466
|
2,325,516
|
| D: Electricity, gas, steam etc |
212,034
|
174,744
|
185,781
|
| E: Water, sewerage & waste mgt |
168,749
|
212,614
|
228,631
|
| F: Construction |
1,737,957
|
2,308,631
|
2,671,150
|
| G: Wholesale & retail trade |
3,661,002
|
4,736,130
|
4,589,996
|
| H: Transport & storage |
1,238,846
|
1,470,433
|
1,544,171
|
| I: Accommodation & catering |
1,075,857
|
1,685,716
|
1,585,650
|
| J: Information & communication |
511,434
|
1,144,637
|
1,390,212
|
| K: Financial & insurance |
1,070,158
|
1,284,986
|
1,189,089
|
| L: Real estate activities. |
265,743
|
421,525
|
465,715
|
| M: Professional, scientific & technical |
879,404
|
1,913,335
|
2,027,263
|
| N: Administrative & support |
816,534
|
1,435,499
|
1,614,681
|
| O: Public administration & defence |
1,562,488
|
1,830,362
|
1,951,873
|
| P: Education |
1,457,487
|
2,914,586
|
3,025,984
|
| Q: Human health & social work |
2,166,857
|
3,808,272
|
4,616,843
|
| R, S, T, U: Other services |
897,424
|
1,478,118
|
1,470,609
|
| Date | Source |
|---|---|
| 1991 - 2021 | Great Britain Historical GIS Project |
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This classification of industry is that used by the 2021 Census, and forms the basic for our standardisation of historical information on industrial structure. The modern data are a classification of workers by their employers' business and count them by their place of work. However, before 1951 they are counted by place of residence, and before 1921 workers have to be classified by their individual occupations.