0. NIU (not in universe)
1. Architects
2. Civil engineers and construction engineers
3. Industrial engineers
4. Mechanical, electrical and electronic engineers
5. Engineers: topographical, geologists, geodesy, hydrographical
6. Mining, metallurgy and petroleum engineers
7. Agricultural engineers
8. Chemical engineers
9. Other engineers and architects not specified above
10. Technicians related to architecture and engineering
11. Construction technicians
12. Transportation and communications technicians
13. Industrial technicians
14. Electrical and electronic technicians
15. Agricultural technicians
16. Chemical technicians
17. Other technicians in engineering and architecture not specified above
20. Lawyers, economists, accountants, sociologists, professionals in information systems and related social sciences
21. Persons with law degrees and lawyers
22. Economists
23. Accountants
24. Administrators
25. Sociologists
27. Insurance estimators
28. Librarians and archivists
29. Professionals in the social sciences not specified above
30. Technicians related to law, economy, accountant, sociology, information, and related social science
31. Technicians in economy and statistics
32. Technicians in administration and commerce
33. Information technicians
34. Library and archive technicians
35. Social science technicians not specified above
40. Doctors, dentists, veterinarians and related professionals
41. Doctors, surgeons, midwives
42. Professionals of other branches of medicine
43. Dentists
44. Veterinary doctors and zoologists
50. Technicians in medicine, dentistry, veterinary services and related professionals
51. Technicians related to medicine, dentistry, and veterinary services
60. Professors, teachers, and education professionals
61. University professors, and professors of higher education, include preparatory and education professors
62. High school professors
63. Elementary professors
64. Pre-school professors
65. Special education professors
66. Physical education, sports, etc. professors
67. Professors not classified above
68. Professors not sufficiently specified
80. Philosophers, historians, psychologists, and related professionals
82. Historians
84. Anthropologists and demographers
85. Sociologists
87. Other philosophers, historians, psychologists and similar professionals not classified above
89. Undocumented
91. Psychology technicians
101. Chemists, biochemists, and pharmacists
102. Biologists
103. Other chemists and biologists not specified above
110. Technicians related to chemistry and biology
111. Biology technicians
112. Other technicians related to chemistry and biology not specified above
120. Mathematicians, physicists, and astronomers
121. Mathematicians
122. Physicists and astronomers
123. Other mathematicians and physicists not classified above
130. Technicians related to mathematics, physics, and astronomy
132. Physics technicians
133. Other technicians related to mathematics and physics not specified above
140. Professionals dedicated to the fine arts, writers, sculptors, painters, artists and similar professionals
141. Literary authors
142. Painters, sculptors, and similar
143. Decorators
144. Music composers and singers
145. Choreographers and dancers
146. Actors and directors
147. Other professionals of the arts not specified above
150. Religious and persons in similar activities
151. Priests, ministers, or clerics of any religion
152. Other persons in related occupations
160. Athletes, sportsmen, bull fighters and persons in related occupations
161. Professional sportsmen and athletes
162. Bullfighters
163. Sports umpires, judges, and trainers
171. Photographers and cameramen
172. Translators and interpreters
173. Other professionals not classified above
174. Professionals not sufficiently specified
180. Other technicians not classified above
181. Other technicians not classified above
182. Technicians insufficiently specified
200. Higher level public officials and of directive category in public administration
201. Higher level public officials
202. Public officials of directive category
209. Other directive personnel in federal and state governments
210. Managers, directive personnel in private businesses, state businesses, or decentralized organisms
211. Managers, sub managers, general directors and sub directors
212. Directive personnel in personnel administration
213. Directive personnel in accounting, credit, finances, sales, and purchasing
214. Directive personnel in production and quality control
215. Directive personnel of other specialties
216. Directive personnel not specified above
220. Administrators and personnel in similar occupations
221. Agricultural administrators
222. Administrators and representatives (not agricultural)
231. Owners of agricultural, cattle production units and hunting and fishing businesses
240. Owners of industrial companies and businesses
241. Owners of industrial businesses
250. Owners of commercial service and sports companies and businesses
251. Owners of businesses
252. Owners of service businesses or companies
253. Owners of transportation businesses or companies
260. Owners insufficiently specified
261. Owners insufficiently specified
300. Employees in accounting, cashiers, and operators of accounting and statistical machinery
301. Accounting assistants and employees
302. Cashiers, accounts payable and collection
303. Operators of accounting and calculating machinery
304. Operators of machinery for perforation and automatic data collection on cards or tapes
310. Short hand writers and typists
311. Short hand writers and typists
320. Mailmen and messengers, employees of correspondence and archives
321. Mailmen and messengers
322. Mail sorters
323. Employees of correspondence and archives
330. Telephone and telegraph operators
331. Telephone operators
332. Telegraph operators and teletypists
333. Operators of radio communication equipment
341. Receptionists and employees in travel agencies
342. Employees in charge of planning and registering stock and supplying materials and merchandize
345. Inspectors and supervisors
349. Administrative personnel and non-classified workers
391. Administrative employees insufficiently detailed
400. Businessmen and salesmen
401. Businessmen
402. Buyers and buying agents
403. Salesmen and sales clerks
404. Traveling salesmen and house-to-house salesmen of every type (candy, ice cream, fruit, tamales, sweets, gum salesmen, money changers, etc.)/ House-to-house salesmen, of every type (credit sales, used clothing)/Childcare provider
405. Traveling newspaper venders
410. Sales agents and representatives
411. Commission and consignment vendors
412. Factory and business representatives
413. Real estate agents and vendors
414. Bond and insurance agents and vendors
500. Protection and guard service workers
501. Firemen
502. Detectives and police guards and watchmen
510. Workers in personal and domestic services
511. Housekeepers, cooks and similar workers
512. Bartenders, barmen, and similar workers
513. Butlers in domestic services and similar workers
520. Washerwomen, pressers, dyers, and similar workers
521. Washerwomen, pressers, and dyers in cleaning businesses
522. Washerwomen and pressers in households and self-employed
530. Hairdressers, barbers, beauticians and similar workers
531. Hairdressers and barbers
532. Beauticians, hair stylists, manicurists and make-up artists
533. Bath attendants, massage therapists and similar
540. Doormen, concierges, elevator operators, cleaning employees and similar
541. Doormen and concierges
542. Elevator operators
543. Errand runners, cleaners, housekeepers, and workers in similar occupations
551. Navigation pilots (aviation)
552. Deck officials and pilots (maritime and fluvial navigation)
553. Machinist officers and other similar occupation (maritime and fluvial navigation)
560. Drivers of land transportation vehicles and similar workers
561. Locomotive machinists
562. Conductors of electrical land vehicles
563. Drivers of autobuses and trucks
564. Conductors and drivers of automobiles
565. Rental vehicle driver
566. Operators of traffic control points
569. Other drivers and dispatchers
571. Army (land forces)
572. Navy (sea forces)
573. Air force
581. Customs and transportation agents
582. Publicity agents and advertising agents
583. Persons dedicated to rental of property and real estate
590. Workers in other services
591. Persons who prepare and serve food on the streets
592. Shoe cleaners and shoe shiners
593. Guides
594. Embalmers, workers in funeral homes and workers in cemeteries
595. Deliverymen
596. Goat herders
597. Workers in services not classified above
599. Workers in services insufficiently specified
600. Workers in agricultural activities
601. Workers in the units of agricultural, ranching, and common land production
602. Operators and drivers of agricultural vehicles in the production units and common lands
603. Workers in green houses, nurseries and seed farms
609. Workers in the units of agricultural, ranching, and common land production not listed above
610. Forestry workers and workers in similar occupations
611. Forestry workers and persons in similar occupations
612. Persons with occupations in the production of charcoal, firewood collection, and similar occupations
613. Rubber producers, rubber collectors, gum collectors, and similar workers
621. Fishermen
630. Hunters, trap setters, and persons in similar occupations
631. Hunters and trap setters
700. Miners, quarry workers, and similar workers
701. Miners and quarry workers
702. Workers in the treatment of minerals and stones
703. Workers in the treatment of minerals and stones not specified above
710. Well diggers, workers in the extraction of petroleum and natural gas and similar workers
711. Oil and natural gas well diggers
712. Workers in the extraction of petroleum and natural gas
713. Other diggers of specific wells
728. Galvanizers and other metal coaters
729. Metallurgy workers not classified above
731. Workers in wood treatments
732. Lumber workers, operators of machinery for manufacture of plywood, and similar workers
733. Preparers of paper paste
740. Workers in chemical treatments and similar workers
741. Operators of machinery for crushing, shredding and mixing
742. Operators of thermal installations for chemical treatments
743. Operators of filtration and separation appliances
744. Operators of distilling and reaction appliances
745. Workers in petroleum refining
749. Workers in chemical treatments and similar workers not classified above
750. Spinners, weavers, dyers and similar workers
751. Fiber preparers
752. Spinners and bobbin winders
753. Loom adjusters and card preparers for weaving
754. Weavers and similar workers
755. Knitters
756. Bleachers, dyers, and finishing workers of textile products
757. Spinners, weavers, dyers and similar workers not classified above
759. Weavers, spinners, dyers and similar workers not classified above
760. Workers in the preparation, tanning and treating skins
761. Tanners
762. Leather workers and similar workers
763. Workers in the preparations of skins and leather not classified above
771. Millers and similar workers
772. Workers in sugar manufacture and refining
773. Slaughterers and butchers
774. Workers in food conservation
775. Workers in milk treatment and manufacture of dairy products
776. Breadmakers and pastry makers
777. Beer makers and workers in the manufacture of wines and beverages
778. Tortilla makers
779. Workers in the manufacture of foods and beverages not classified elsewhere
781. Tobacco preparers
782. Workers in the manufacture of cigarettes and cigars
789. Tobacco workers not classified elsewhere
790. Tailors, dressmakers, upholsterers and similar workers
791. Designers and cutters
792. Sewers and embroiderers
793. Tailors and dressmakers
794. Upholsterers and similar workers
799. Tailors, upholsterers and similar workers not classified elsewhere
801. Shoemakers
802. Footwear workers
803. Other workers of natural and artificial leather
810. Cabinetmakers, metal workers, wood workers, and similar workers
811. Cabinetmakers and other wood workers
812. Operators of machinery for wood working
813. Blacksmiths and forge workers
814. Specialized mechanics and tool and press adjusters
815. Adjusters and operators of tool machinery
816. Metal polishers and tool sharpeners
817. Workers in metal working not classified above
818. Stone workers and decorators
820. Adjusters, assemblers, and installers of machinery and precision instruments, watchmakers and mechanics (except electricians)
821. Adjusters, assemblers, and installers of machinery
822. Watchmakers and precision instrument mechanics
823. Motor vehicle technicians
824. Airplane mechanics
825. Mechanics (except electricians) not classified above
826. Maintenance mechanics and workers
830. Electricians, electronics workers, and similar workers
831. Electrical adjusters
832. Electronics adjusters
833. Assemblers of electrical and electrical equipment
834. Radio and television receptor repairmen
835. Electricians
836. Telephone and telegraph installers
837. Installers of electrical lines and telecommunications
839. Electricians, electronics workers, and similar workers not classified above
840. Operators of radio and television transmitters and cinema sound and projection equipment
841. Operators of radio and television transmitters
842. Operators of cinema sound and projection equipment
851. Pipe fitters ad tube installers
852. Welders and oxifuel cutters
853. Tin sheeting workers, laminators, boilermakers, and copper workers and similar
854. Metal structure assemblers
860. Jewelers and goldsmiths
861. Jewelers and silversmiths
870. Glass and pottery workers and similar workers
871. Glass blowers, molders, laminators, cutters and polishers
872. Potters and similar workers
873. Kiln workers
874. Glass engravers
879. Glass, pottery and similar workers not classified above
880. Workers in the manufacture of rubber and plastic products
881. Workers in the manufacture of rubber and plastic products (except tires)
882. Workers in the manufacture and retreading of tires
890. Workers in the manufacture of paper and cardboard products
891. Workers in the manufacture of paper and cardboard products
900. Workers in graphic arts and photo developing
901. Print setters, typographers and similar workers
902. Operators of printing presses
903. Print recorders (except photo engravers)
904. Photoengravers
905. Bonders and similar workers
906. Workers in cinema and photographic laboratories
909. Graphic arts workers not classified above
910. Construction workers and painters
911. Construction laborers
912. Workers in the manufacture of reinforced concrete and cement finishing
913. Roofers
914. Carpenters
915. Plasterers
916. Insulation installers
917. Window installers
918. Painters
919. Construction workers not classified above
920. Operators of energy machinery, fixed machinery and similar installations
921. Operators of installations for production of electrical energy
922. Operators of fixed machinery and similar installations
930. Workers in manipulation of merchandize and materials and movement of dirt
931. Stackers, loaders, and packers
932. Cable liners and packers
933. Drivers of cranes and operators of elevation equipment
934. Drivers of machinery for moving dirt and similar machinery
935. Bottlers and canners
936. Workers in manipulation of merchandize and materials and movement of dirt
940. Manufacturing laborers and similar workers not classified above
941. Musical instrument manufacturers
942. Basket makers and similar workers
943. Workers in the manufacture of non-metal mineral products
944. Other manufacturing workers and similar workers
949. Unspecified artisans
950. Unspecified laborers
959. Unspecified laborers
989. Persons who are economically active who declared insufficiently specific occupations
990. Persons who are economically active but did not declare an occupation
997. Non-identifiable occupations
999. Unknown/missing