1. Physical scientists and related technicians (physicist, geologist, etc.)
2. Architects and related technicians
3. Engineers and related technicians
4. Aircraft and ships' officers (pilots, naval officers, etc.)
5. Life scientists and related technicians (botanist, zoologist, biochemist, etc.)
6. Medical and related workers
7. Dental, veterinary and related workers
8. Statisticians, mathematicians, system analysts and related technicians (programmer)
9. Economists and other social scientist
11. Accountants
12. Jurists
13. Teachers
14. Workers in religion (full-time religious workers)
15. Authors, journalists and related writers
16. Sculptors, photographers and related creative artists
17. Composers and performing artists
18. Athletes, sportsmen and related workers
19. Professional, technical and related workers not elsewhere classified
20. Legislative officials and government administrators (MPs, traditional office holders, etc.)
21. Managers (GM, MD's and executive directors)
30. Clerical supervisors
31. Government executive officials
32. Stenographers, typists
33. Book-keepers, cashiers and related workers
34. Computing machine operators (data entry operator)
35. Transport and communications supervisors
36. Transport conductors
37. Mail distribution clerks
38. Telephone and telegraph operators
39. Clerical and related workers not elsewhere classified
40. Managers (wholesale and retail trade)
41. Working proprietors (wholesale and retail trade)
42. Sales supervisors and buyers
43. Technical salesmen, commercial travelers and manufacturers' agents
44. Insurance, real estate, securities and business services salesmen and auctioneers
45. Salesmen, shop assistants and related workers (newspapers stand)
46. Wholesale market traders
47. Retail market traders
48. Hawkers, street and pavement vendors
49. Sales workers not elsewhere classified
50. Managers (catering and lodging services)
51. Working proprietors (catering and lodging services)
52. Housekeeping and related service supervisors
53. Cooks, waiters, bartenders and related workers
54. Maids, related housekeeping service workers not elsewhere classified
55. Building caretakers, charworkers, cleaners and related workers (washmen/women)
56. Launderers, dry-cleaners and pressers
57. Hairdressers, barbers, beauticians and related workers
58. Protective service workers (private security, watch dog committee, watchmen)
59. Service workers not elsewhere classified
60. Farm managers and supervisors
61. Farmers
62. Agriculture and animal husbandry workers
63. Forestry workers
64. Fishermen, hunters and related workers
70. Production supervisors and general foremen
71. Miners, quarrymen, well drillers and related workers
72. Metal processors
73. Wood preparation workers and paper makers
74. Chemical processors and related workers
75. Spinners, weavers, knitters, dyes and related workers
76. Tanners and other leather workers
77. Food and beverage processors
78. Tobacco preparers and tobacco product makers
79. Tailors, dressmakers, sewers, upholsterers and related workers
80. Shoemakers and leather goods makers
81. Cabinet makers and related woodworkers
82. Stone cutters and carvers
83. Blacksmiths, toolmakers and machine-tool operators
84. Machinery fitters, machine assemblers and precision instrument makers (except electrical)
85. Electrical fitters and related electrical and electronics workers
86. Broadcasting station and sound equipment operators and cinema projectionist
87. Plumbers, welders, sheet metal and structural metal preparers and erectors
88. Jewelry and precious metal workers
89. Glass and ceramic workers
90. Rubber and plastics product makers
91. Paper and paperboard products makers
92. Printers and related workers
93. Painters
94. Production and related workers not elsewhere classified
95. Bricklayers, carpenters and other construction workers
96. Stationary engine and related equipment operators
97. Material-handling and related equipment operators, dockers and freight handlers
98. Transport equipment operators
99. Laborers not elsewhere classified
100. New workers seeking employment
999. NIU (not in universe)