Union Membership, Coverage, Density and Employment by Occupation: 1992
COC	Occupation	Obs	Employment (in 1000s)	Members (in 1000s)	Covered (in 1000s)	% Mem	% Cov
	EXECUTIVE, ADMINISTRATIVE, AND MANAGERIAL OCCUPATIONS	20,563	11,983	719	980	6.0%	8.2%
3	Legislators	20	11	1	2	8.6%	16.1%
4	Chief executives and general administrators, public administration	25	14	3	3	19.2%	19.2%
5	Administrators and officials, public administration	971	538	82	115	15.2%	21.3%
6	Administrators, protective services	85	45	9	10	19.5%	21.9%
7	Financial managers	856	495	4	10	0.8%	2.0%
8	Personnel and labor relations managers	184	104	4	5	3.9%	4.9%
9	Purchasing managers	179	105	3	5	2.6%	5.1%
13	Managers, marketing, advertising, and public relations	826	501	8	12	1.5%	2.4%
14	Administrators, education and related fields	985	540	96	138	17.7%	25.5%
15	Managers, medicine and health	595	340	16	24	4.8%	7.1%
16	Postmasters and mail superintendents	102	53	26	29	49.6%	54.2%
17	Managers, food serving and lodging establishments	1,343	791	16	27	2.1%	3.5%
18	Managers, properties and real estate	489	299	12	15	3.9%	4.9%
19	Funeral directors	48	32	1	3	2.9%	10.1%
21	Managers, service organizations, n.e.c.	782	422	45	51	10.7%	12.0%
22	Managers and administrators, n.e.c.	7,013	4,141	135	181	3.3%	4.4%
23	Accountants and auditors	2,063	1,222	67	99	5.5%	8.1%
24	Underwriters	150	88	0	0	0.0%	0.0%
25	Other financial officers	1,026	602	16	28	2.7%	4.6%
26	Management analysts	165	99	2	5	2.1%	5.3%
27	Personnel, training, and labor relations specialists	679	403	45	54	11.1%	13.4%
28	Purchasing agents and buyers, farm products	14	5	0	0	8.2%	8.2%
29	Buyers, wholesale and retail trade except farm products	289	176	1	3	0.7%	1.6%
33	Purchasing agents and buyers, n.e.c.	380	212	12	17	5.8%	8.1%
34	Business and promotion agents	44	22	1	1	2.7%	5.0%
35	Construction inspectors	94	59	14	18	24.1%	29.9%
36	Inspectors and compliance officers, except construction	420	242	80	91	32.8%	37.7%
37	Management related occupations, n.e.c.	736	421	21	33	5.0%	7.9%
	PROFESSIONAL SPECIALTY OCCUPATIONS, EXC. TEACHERS	16,202	9,445	1,063	1,331	11.3%	14.1%
43	Architects	146	88	2	2	2.7%	2.7%
44	Aerospace engineers	117	83	10	14	12.0%	17.2%
45	Metallurgical and materials engineers	37	24	2	2	10.2%	10.2%
46	Mining engineers	9	4	1	1	21.8%	21.8%
47	Petroleum engineers	34	17	0	0	0.0%	0.0%
48	Chemical engineers	105	65	2	2	3.1%	3.1%
49	Nuclear engineers	14	6	1	1	16.2%	16.2%
53	Civil engineers	354	203	23	29	11.2%	14.5%
54	Agricultural engineers	5	2	1	1	29.2%	29.2%
55	Electrical and electronic engineers	765	486	36	48	7.5%	9.9%
56	Industrial engineers	337	205	14	17	6.9%	8.5%
57	Mechanical engineers	480	291	13	14	4.3%	4.7%
58	Marine and naval architects	23	14	5	6	37.8%	39.6%
59	Engineers, n.e.c.	383	236	9	14	4.0%	6.1%
63	Surveyors and mapping scientists	21	11	3	4	26.7%	32.6%
64	Computer systems analysts and scientists	1,037	658	33	44	4.9%	6.8%
65	Operations and systems researchers and analysts	312	190	18	28	9.6%	14.8%
66	Actuaries	30	17	1	1	3.7%	3.7%
67	Statisticians	35	23	3	5	13.2%	22.3%
68	Mathematical scientists, n.e.c.	6	6	0	0	8.3%	8.3%
69	Physicists and astronomers	39	25	2	2	7.7%	7.7%
73	Chemists, except biochemists	217	124	7	8	6.0%	6.6%
74	Atmospheric and space scientists	12	7	1	2	16.1%	27.0%
75	Geologists and geodesists	92	51	3	3	5.9%	5.9%
76	Physical scientists, n.e.c.	54	33	3	3	8.0%	9.9%
77	Agricultural and food scientists	45	21	2	2	9.0%	10.9%
78	Biological and life scientists	161	89	7	9	7.4%	9.6%
79	Forestry and conservation scientists	59	22	4	5	17.7%	22.4%
83	Medical scientists	108	62	6	8	9.2%	12.9%
84	Physicians	518	318	11	28	3.5%	8.7%
85	Dentists	32	23	0	0	0.0%	0.0%
86	Veterinarians	38	18	0	0	0.0%	0.0%
87	Optometrists	18	11	1	1	9.0%	9.0%
88	Podiatrists	1	0	0	0	0.0%	0.0%
89	Health diagnosing practitioners, n.e.c.	11	5	0	1	0.0%	15.9%
95	Registered nurses	3,152	1,772	284	341	16.0%	19.2%
96	Pharmacists	299	168	13	17	8.0%	10.2%
97	Dietitians	137	81	12	14	14.7%	17.7%
98	Respiratory therapists	120	72	6	10	8.5%	13.9%
99	Occupational therapists	71	43	4	6	9.6%	12.9%
103	Physical therapists	168	95	8	10	8.0%	10.9%
104	Speech therapists	126	68	25	32	37.7%	47.9%
105	Therapists, n.e.c.	110	67	8	10	12.4%	14.7%
106	Physicians' assistants	74	45	5	5	10.7%	11.4%
	TEACHERS, POSTSECONDARY	1,370	733	145	179	19.8%	24.4%
113	Earth, environmental, and marine science teachers	11	4	2	2	37.7%	37.7%
114	Biological science teachers	46	30	2	2	7.3%	8.2%
115	Chemistry teachers	42	25	2	5	9.0%	20.4%
116	Physics teachers	23	10	3	3	28.5%	34.1%
117	Natural science teachers, n.e.c.	4	2	1	1	55.8%	55.8%
118	Psychology teachers	37	20	6	6	28.7%	28.7%
119	Economics teachers	38	20	3	5	14.9%	24.5%
123	History teachers	34	16	5	6	31.5%	39.1%
124	Political science teachers	21	10	2	3	21.7%	27.8%
125	Sociology teachers	19	12	1	2	11.6%	14.7%
126	Social science teachers, n.e.c.	6	2	1	1	62.9%	62.9%
127	Engineering teachers	55	26	7	9	25.7%	33.4%
128	Mathematical science teachers	86	47	9	12	19.7%	25.9%
129	Computer science teachers	34	17	4	5	21.6%	30.8%
133	Medical science teachers	16	7	2	3	22.1%	36.8%
134	Health specialties teachers	81	41	10	12	23.8%	29.5%
135	Business, commerce, and marketing teachers	42	20	5	5	24.0%	26.4%
136	Agriculture and forestry teachers	11	7	1	1	19.0%	19.0%
137	Art, drama, and music teachers	65	32	4	6	11.5%	18.7%
138	Physical education teachers	17	9	2	3	26.4%	32.7%
139	Education teachers	15	9	4	4	44.2%	50.3%
143	English teachers	105	57	12	15	21.7%	27.0%
144	Foreign language teachers	50	31	6	7	19.7%	21.8%
145	Law teachers	17	8	0	0	3.2%	5.9%
146	Social work teachers	2	1	0	0	31.9%	31.9%
147	Theology teachers	22	12	3	3	25.0%	25.0%
148	Trade and industrial teachers	9	5	1	1	14.8%	14.8%
149	Home economics teachers	2	1	0	0	50.2%	50.2%
153	Teachers, postsecondary, n.e.c.	12	6	0	0	0.0%	0.0%
154	Postsecondary teachers, subject not specified	448	246	46	54	18.8%	22.1%
	TEACHERS, EXCEPT POSTSECONDARY	7,269	4,087	1,875	2,174	45.9%	53.2%
155	Teachers, prekindergarten and kindergarten	828	476	105	117	22.0%	24.7%
156	Teachers, elementary school	2,942	1,670	899	1,037	53.8%	62.1%
157	Teachers, secondary school	2,128	1,154	658	769	57.0%	66.6%
158	Teachers, special education	492	264	155	179	58.7%	67.7%
159	Teachers, n.e.c.	879	522	59	72	11.3%	13.7%
163	Counselors, Educational and Vocational	436	241	88	105	36.6%	43.6%
164	Librarians	346	183	59	70	32.3%	38.3%
165	Archivists and curators	50	29	4	5	15.0%	16.0%
166	Economists	171	100	5	5	4.6%	5.3%
167	Psychologists	238	129	28	33	22.0%	25.3%
168	Sociologists	3	2	0	0	0.0%	0.0%
169	Social scientists, n.e.c.	42	23	2	4	8.0%	17.3%
173	Urban planners	24	13	0	0	2.5%	2.5%
174	Social workers	1,026	595	150	179	25.3%	30.0%
175	Recreation workers	166	95	5	7	4.9%	7.6%
176	Clergy	577	316	5	7	1.5%	2.2%
177	Religious workers, n.e.c.	106	63	1	1	1.6%	1.6%
178	Lawyers	722	404	16	20	3.9%	4.9%
179	Judges	60	33	2	3	7.3%	8.7%
183	Authors	72	39	4	4	10.7%	10.7%
184	Technical writers	89	51	2	4	4.9%	7.2%
185	Designers	621	374	17	23	4.6%	6.2%
186	Musicians and composers	140	89	15	18	17.4%	20.5%
187	Actors and directors	117	68	11	13	16.6%	19.7%
188	Painters, sculptors, craft-artists, and artist printmakers	169	107	7	9	6.1%	8.1%
189	Photographers	122	77	6	8	8.2%	10.2%
193	Dancers	33	20	1	2	3.3%	8.2%
194	Artists, performers, and related workers, n.e.c.	85	54	4	7	7.9%	12.5%
195	Editors and reporters	433	237	24	32	10.2%	13.3%
197	Public relations specialists	256	139	6	11	4.5%	8.0%
198	Announcers	88	50	4	4	7.4%	7.4%
199	Athletes	98	60	4	7	6.3%	11.2%
	TECHNICIANS AND RELATED SUPPORT OCCUPATIONS	7,094	4,170	512	590	12.3%	14.2%
203	Clinical laboratory technologists and technicians	521	302	27	32	8.8%	10.4%
204	Dental hygienists	134	70	2	2	3.2%	3.2%
205	Health record technologists and technicians	90	52	4	5	8.1%	8.9%
206	Radiologic technicians	249	138	15	17	10.8%	12.6%
207	Licensed practical nurses	772	448	68	75	15.2%	16.8%
208	Health technologists and technicians, n.e.c.	801	492	54	57	10.9%	11.6%
213	Electrical and electronic technicians	517	311	48	58	15.5%	18.8%
214	Industrial engineering technicians	8	5	1	2	22.3%	37.2%
215	Mechanical engineering technicians	25	13	3	3	19.4%	19.4%
216	Engineering technicians, n.e.c.	405	245	26	32	10.7%	12.9%
217	Drafting occupations	417	254	19	22	7.6%	8.6%
218	Surveying and mapping technicians	113	62	4	5	7.2%	7.9%
223	Biological technicians	136	67	1	3	2.0%	4.1%
224	Chemical technicians	141	81	9	10	10.7%	11.9%
225	Science technicians, n.e.c.	159	96	12	13	12.3%	13.9%
226	Airplane pilots and navigators	160	93	48	49	51.4%	52.5%
227	Air traffic controllers	44	26	13	17	49.4%	65.7%
228	Broadcast equipment operators	49	30	7	10	23.2%	32.0%
229	Computer programmers	895	543	24	32	4.4%	5.9%
233	Tool programmers, numerical control	5	3	1	1	26.1%	26.1%
234	Legal assistants	372	215	9	15	4.4%	7.0%
235	Technicians, n.e.c.	1,081	623	117	132	18.7%	21.2%
	SALES OCCUPATIONS	19,061	11,380	569	646	5.0%	5.7%
243	Supervisors and Proprietors, Sales Occupations	4,387	2,593	120	147	4.6%	5.7%
253	Insurance sales occupations	671	401	14	21	3.6%	5.3%
254	Real estate sales occupations	635	388	10	10	2.5%	2.7%
255	Securities and financial services sales occupations	430	254	3	3	1.0%	1.0%
256	Advertising and related sales occupations	243	146	6	8	4.3%	5.6%
257	Sales occupations, other business services	661	416	28	32	6.7%	7.6%
258	Sales engineers	42	26	1	1	2.3%	2.3%
259	Sales representatives, mining, manufacturing, and wholesale	2,227	1,320	22	29	1.7%	2.2%
263	Sales workers, motor vehicles and boats	399	239	1	1	0.6%	0.6%
264	Sales workers, apparel	780	470	7	7	1.5%	1.6%
265	Sales workers, shoes	175	111	3	4	2.6%	3.6%
266	Sales workers, furniture and home furnishings	230	136	1	1	0.9%	0.9%
267	Sales workers, radio, TV, hi-fi, and appliances	259	163	3	3	1.7%	1.7%
268	Sales workers, hardware and building supplies	358	209	1	3	0.6%	1.2%
269	Sales workers, parts	254	147	4	4	2.6%	2.6%
274	Sales workers, other commodities	2,216	1,314	32	39	2.4%	3.0%
275	Sales counter clerks	306	178	11	11	6.2%	6.2%
276	Cashiers	4,206	2,513	289	309	11.5%	12.3%
277	Street and door-to-door sales workers	312	188	0	0	0.2%	0.2%
278	News vendors	148	90	6	7	6.8%	7.7%
283	Demonstrators, promoters and models, sales	95	60	6	6	10.0%	10.0%
284	Auctioneers	1	0	0	0	0.0%	0.0%
285	Sales support occupations, n.e.c.	26	18	0	0	2.6%	2.6%
	ADMINISTRATIVE SUPPORT OCCUPATIONS, INCLUDING CLERICAL	30,901	18,163	2,394	2,833	13.2%	15.6%
303	Supervisors, general office	797	475	52	65	10.9%	13.7%
304	Supervisors, computer equipment operators	40	26	1	2	4.3%	7.7%
305	Supervisors, financial records processing	131	82	5	6	5.9%	6.9%
306	Chief communications operators	7	5	0	0	0.0%	0.0%
307	Supervisors, distribution, scheduling, and adjusting clerks	273	170	24	30	14.2%	17.8%
308	Computer operators	1,057	659	61	75	9.3%	11.4%
309	Peripheral equipment operators	4	1	0	0	26.8%	26.8%
313	Secretaries	6,219	3,562	295	374	8.3%	10.5%
314	Stenographers	78	47	3	4	6.3%	7.6%
315	Typists	871	523	72	84	13.9%	16.2%
316	Interviewers	280	166	19	23	11.7%	13.8%
317	Hotel clerks	209	102	1	1	1.4%	1.4%
318	Transportation ticket and reservation agents	377	226	31	35	13.9%	15.7%
319	Receptionists	1,496	871	32	45	3.7%	5.2%
323	Information clerks, n.e.c.	402	243	21	22	8.7%	8.9%
325	Classified-ad clerks	6	2	1	1	23.9%	23.9%
326	Correspondence clerks	16	8	2	3	30.7%	39.5%
327	Order clerks	369	229	72	82	31.5%	35.7%
328	Personnel clerks, except payroll and timekeeping	109	68	3	8	4.4%	11.9%
329	Library clerks	293	165	17	21	10.6%	13.0%
335	File clerks	482	295	21	27	7.0%	9.0%
336	Records clerks	303	174	23	29	13.4%	16.8%
337	Bookkeepers, accounting, and auditing clerks	2,780	1,573	76	93	4.8%	5.9%
338	Payroll and timekeeping clerks	303	176	25	28	14.4%	16.0%
339	Billing clerks	311	176	9	12	5.4%	7.1%
343	Cost and rate clerks	111	70	7	8	9.5%	11.1%
344	Billing, posting, and calculating machine operators	128	81	7	7	8.0%	8.0%
345	Duplicating machine operators	64	40	4	5	10.2%	11.7%
346	Mail preparing and paper handling machine operators	16	12	6	6	51.0%	55.8%
347	Office machine operators, n.e.c.	47	24	3	3	10.9%	12.1%
348	Telephone operators	357	216	76	80	35.2%	37.1%
353	Communications equipment operators, n.e.c.	21	13	4	4	32.4%	32.4%
354	Postal clerks, except mail carriers	447	247	173	194	70.1%	78.8%
355	Mail carriers, postal service	567	337	272	287	80.7%	85.0%
356	Mail clerks, except postal service	309	182	21	27	11.7%	15.0%
357	Messengers	232	135	5	9	3.9%	6.4%
359	Dispatchers	360	205	55	62	26.8%	30.1%
363	Production coordinators	324	204	31	36	15.3%	17.5%
364	Traffic, shipping, and receiving clerks	875	551	93	101	16.8%	18.3%
365	Stock and inventory clerks	907	554	104	122	18.8%	22.1%
366	Meter readers	89	52	23	24	43.3%	45.9%
368	Weighers, measurers, checkers, and samplers	114	68	14	16	20.0%	23.5%
373	Expediters	345	208	16	21	7.6%	9.9%
374	Material recording, scheduling, and distributing clerks, n.e.c.	39	24	4	4	17.8%	17.8%
375	Insurance adjusters, examiners, and investigators	607	376	9	15	2.5%	4.1%
376	Investigators and adjusters, except insurance	1,137	682	41	52	6.0%	7.7%
377	Eligibility clerks, social welfare	131	79	21	25	27.0%	32.2%
378	Bill and account collectors	251	155	7	10	4.5%	6.4%
379	General office clerks	1,170	681	95	114	13.9%	16.8%
383	Bank tellers	841	479	6	7	1.2%	1.5%
384	Proofreaders	32	19	1	1	3.6%	3.6%
385	Data-entry keyers	985	601	88	106	14.6%	17.6%
386	Statistical clerks	115	63	12	17	19.2%	27.5%
387	Teachers' aides	862	490	143	180	29.1%	36.8%
389	Administrative support occupations, n.e.c.	2,205	1,291	185	218	14.3%	16.9%
	PRIVATE HOUSEHOLD OCCUPATIONS	1,458	866	4	6	0.5%	0.7%
403	Launderers and ironers	2	1	0	0	0.0%	0.0%
404	Cooks, private household	22	11	1	1	5.8%	5.8%
405	Housekeepers and butlers	52	29	0	0	0.0%	0.0%
406	Child care workers, private household	595	338	0	0	0.0%	0.0%
407	Private household cleaners and servants	787	487	4	6	0.7%	1.2%
	PROTECTIVE SERVICE OCCUPATIONS	3,357	2,086	804	882	38.5%	42.3%
413	Supervisors, firefighting and fire prevention occupations	60	37	21	23	58.5%	61.6%
414	Supervisors, police and detectives	138	79	38	44	49.0%	56.1%
415	Supervisors, guards	83	52	3	5	5.8%	8.8%
416	Fire inspection and fire prevention occupations	30	14	3	3	18.7%	23.2%
417	Firefighting occupations	304	184	128	135	69.8%	73.7%
418	Police and detectives, public service	740	461	280	301	60.7%	65.3%
423	Sheriffs, bailiffs, and other law enforcement officers	184	110	44	50	39.9%	45.7%
424	Correctional institution officers	448	301	160	175	53.2%	58.0%
425	Crossing guards	69	41	9	10	22.0%	23.4%
426	Guards and police, except public service	1,157	720	114	131	15.8%	18.1%
427	Protective service occupations, n.e.c.	144	89	3	6	3.8%	6.8%
	SERVICE OCCUPATIONS, EXCEPT PROTECTIVE AND HOUSEHOLD	20,895	12,225	1,278	1,452	10.5%	11.9%
433	Supervisors, food preparation and service occupations	560	333	21	28	6.4%	8.3%
434	Bartenders	515	271	9	10	3.2%	3.6%
435	Waiters and waitresses	2,399	1,409	34	38	2.4%	2.7%
436	Cooks	3,163	1,872	122	145	6.5%	7.7%
438	Food counter, fountain and related occupations	574	332	5	6	1.4%	1.7%
439	Kitchen workers, food preparation	408	241	45	49	18.8%	20.1%
443	Waiters'/waitresses' assistants	590	380	34	38	8.9%	9.9%
444	Miscellaneous food preparation occupations	1,134	661	68	76	10.3%	11.5%
445	Dental assistants	310	165	4	4	2.2%	2.2%
446	Health aides, except nursing	617	363	66	73	18.2%	20.1%
447	Nursing aides, orderlies, and attendants	2,666	1,550	216	244	13.9%	15.7%
448	Supervisors, cleaning and building service workers	275	165	24	30	14.3%	17.9%
449	Maids and housemen	1,091	622	81	92	13.1%	14.8%
453	Janitors and cleaners	3,410	2,041	391	435	19.2%	21.3%
454	Elevator operators	14	9	5	5	55.9%	55.9%
455	Pest control occupations	57	37	0	1	0.0%	3.9%
456	Supervisors, personal service occupations	100	55	3	5	6.1%	9.3%
457	Barbers	45	30	2	3	7.0%	10.2%
458	Hairdressers and cosmetologists	679	410	2	4	0.5%	1.0%
459	Attendants, amusement and recreation facilities	338	163	5	5	3.0%	3.2%
461	Guides	55	34	2	3	6.0%	7.8%
462	Ushers	49	32	1	2	3.1%	4.7%
463	Public transportation attendants	140	90	59	62	66.2%	68.7%
464	Baggage porters and bellhops	75	40	9	9	21.5%	21.5%
465	Welfare service aides	156	89	14	16	16.0%	18.1%
466	Family child care providers	29	15	1	1	5.3%	5.3%
467	Early childhood teacher's assistants	726	414	16	23	3.9%	5.6%
468	Child care workers, n.e.c.	417	230	22	28	9.7%	12.3%
469	Personal service occupations, n.e.c.	303	170	17	19	9.8%	11.4%
	FARMING, FORESTRY, AND FISHING OCCUPATIONS	3,032	1,891	94	106	5.0%	5.6%
473	Farmers, except horticulture	13	8	0	0	0.0%	0.0%
475	Managers, farms, except horticultural	92	47	1	1	1.1%	1.9%
476	Managers, horticultural specialty farms	7	3	0	0	0.0%	0.0%
477	Supervisors, farm workers	53	39	1	1	1.5%	1.5%
479	Farm workers	1,226	730	18	19	2.4%	2.6%
483	Marine life cultivation workers	2	1	0	0	0.0%	0.0%
484	Nursery workers	52	35	2	3	6.6%	7.8%
485	Supervisors, related agricultural occupations	84	55	6	7	10.6%	12.7%
486	Groundskeepers and gardeners, except farm	1,137	758	58	64	7.6%	8.5%
487	Animal caretakers, except farm	139	80	2	2	2.1%	2.2%
488	Graders and sorters, agricultural products	51	43	2	5	5.3%	10.8%
489	Inspectors, agricultural products	4	2	1	1	38.0%	38.0%
494	Supervisors, forestry and logging workers	13	5	0	1	5.5%	9.4%
495	Forestry workers, except logging	34	19	0	0	1.4%	1.4%
496	Timber cutting and logging occupations	84	44	3	3	7.6%	7.6%
497	Captains and other officers, fishing vessels	8	4	0	0	0.0%	0.0%
498	Fishers	32	16	1	1	4.4%	4.4%
499	Hunters and trappers	1	0	0	0	0.0%	0.0%
	PRECISION PRODUCTION, CRAFT, & REPAIR, EXC. CONSTRUCTION	12,605	7,590	1,769	1,905	23.3%	25.1%
503	Supervisors, mechanics and repairers	390	222	16	22	7.0%	10.1%
505	Automobile mechanics	1,101	684	57	65	8.3%	9.5%
506	Automobile mechanic apprentices	3	1	0	0	26.9%	26.9%
507	Bus, truck, and stationary engine mechanics	531	305	74	81	24.4%	26.5%
508	Aircraft engine mechanics	205	148	63	70	42.8%	47.4%
509	Small engine repairers	74	44	3	5	7.7%	10.7%
514	Automobile body and related repairers	243	143	8	9	5.7%	6.3%
515	Aircraft mechanics, except engine	24	19	6	8	31.0%	42.9%
516	Heavy equipment mechanics	259	147	54	58	36.8%	39.2%
517	Farm equipment mechanics	58	32	1	1	4.2%	4.2%
518	Industrial machinery repairers	892	539	173	187	32.2%	34.8%
519	Machinery maintenance occupations	45	25	10	10	40.9%	41.4%
523	Electronic repairers, communications and industrial equipment	202	126	32	37	25.7%	29.7%
525	Data processing equipment repairers	230	149	9	10	6.3%	6.5%
526	Household appliance and power tool repairers	59	43	7	7	15.5%	16.7%
527	Telephone line installers and repairers	94	66	47	47	70.8%	71.6%
529	Telephone installers and repairers	269	166	109	113	66.0%	68.1%
533	Miscellaneous electrical and electronic equipment repairers	104	64	26	28	41.1%	43.6%
534	Heating, air conditioning, and refrigeration mechanics	328	188	41	43	21.8%	22.7%
535	Camera, watch, and musical instrument repairers	36	22	3	3	15.9%	15.9%
536	Locksmiths and safe repairers	25	12	3	3	25.5%	25.5%
538	Office machine repairers	88	61	3	4	4.2%	5.8%
539	Mechanical controls and valve repairers	33	19	9	9	47.5%	50.4%
543	Elevator installers and repairers	24	16	16	16	97.1%	97.1%
544	Millwrights	162	93	60	60	64.0%	64.2%
547	Specified mechanics and repairers, n.e.c.	626	393	86	94	22.0%	23.9%
549	Not specified mechanics and repairers	374	222	53	62	23.7%	27.9%
	CONSTRUCTION TRADES	5,778	3,553	996	1,050	28.0%	29.6%
553	Supervisors, brickmasons, stonemasons, and tile setters	3	2	2	2	84.0%	84.0%
554	Supervisors, carpenters and related workers	32	18	5	6	27.2%	35.4%
555	Supervisors, electricians and power transmission installers	63	38	9	10	24.2%	25.9%
556	Supervisors, painters, paperhangers, and plasterers	13	9	1	1	8.7%	8.7%
557	Supervisors, plumbers, pipefitters, and steamfitters	23	16	9	9	56.0%	59.0%
558	Supervisors, construction, n.e.c.	593	351	83	90	23.6%	25.6%
563	Brickmasons and stonemasons	212	136	33	35	24.2%	25.6%
564	Brickmason and stonemason apprentices	2	1	0	0	0.0%	0.0%
565	Tile setters, hard and soft	48	30	6	6	18.8%	20.5%
566	Carpet installers	95	60	7	9	11.7%	14.5%
567	Carpenters	1,304	824	151	160	18.3%	19.5%
569	Carpenter apprentices	12	8	1	1	15.6%	15.6%
573	Drywall installers	134	82	17	18	20.2%	21.5%
575	Electricians	959	570	243	254	42.6%	44.5%
576	Electrician apprentices	47	22	8	8	36.3%	39.0%
577	Electrical power installers and repairers	184	106	64	65	60.7%	61.7%
579	Painters, construction and maintenance	484	315	58	63	18.4%	19.9%
583	Paperhangers	17	10	2	2	23.9%	23.9%
584	Plasterers	36	26	6	6	21.9%	21.9%
585	Plumbers, pipefitters, and steamfitters	575	349	142	146	40.8%	41.8%
587	Plumber, pipefitter, and steamfitter apprentices	13	8	2	3	26.4%	33.6%
588	Concrete and terrazzo finishers	80	53	12	12	23.4%	23.4%
589	Glaziers	63	37	10	10	27.1%	27.1%
593	Insulation workers	91	58	15	17	25.1%	28.7%
594	Paving, surfacing, and tamping equipment operators	22	11	3	3	30.3%	30.3%
595	Roofers	215	142	20	21	14.0%	14.5%
596	Sheetmetal duct installers	55	36	15	16	41.9%	43.6%
597	Structural metal workers	81	44	23	24	53.1%	54.5%
598	Drillers, earth	31	15	2	2	13.2%	13.2%
599	Construction trades, n.e.c.	291	174	46	51	26.6%	29.3%
613	Supervisors, extractive occupations	86	43	0	0	0.0%	0.0%
614	Drillers, oil well	39	18	0	0	2.4%	2.4%
615	Explosives workers	18	6	2	2	31.9%	31.9%
616	Mining machine operators	71	31	14	14	44.2%	44.5%
617	Mining occupations, n.e.c.	47	25	10	10	39.0%	39.5%
628	Supervisors, production occupations	2,013	1,200	128	143	10.6%	11.9%
634	Tool and die makers	213	126	47	51	37.2%	40.7%
635	Tool and die maker apprentices	3	2	0	0	0.0%	0.0%
636	Precision assemblers, metal	24	16	7	7	43.6%	43.6%
637	Machinists	685	427	138	146	32.3%	34.2%
639	Machinist apprentices	8	5	0	0	0.0%	5.1%
643	Boilermakers	47	25	11	12	43.5%	47.3%
644	Precision grinders, filers, and tool sharpeners	34	20	3	4	13.0%	20.3%
645	Patternmakers and model makers, metal	10	5	3	3	56.4%	56.4%
646	Lay-out workers	18	12	7	7	57.0%	57.0%
647	Precious stones and metals workers	59	28	2	2	6.8%	6.8%
649	Engravers, metal	14	7	1	1	19.9%	19.9%
653	Sheet metal workers	152	88	39	42	43.8%	48.0%
654	Sheet metal worker apprentices	2	1	1	1	100.0%	100.0%
655	Miscellaneous precision metal workers	1	1	0	0	0.0%	0.0%
656	Patternmakers and model makers, wood	2	2	0	0	30.5%	30.5%
657	Cabinet makers and bench carpenters	61	39	3	3	8.1%	8.1%
658	Furniture and wood finishers	34	19	3	3	13.4%	13.4%
659	Miscellaneous precision woodworkers	1	1	0	0	0.0%	0.0%
666	Dressmakers	78	45	2	2	3.4%	3.4%
667	Tailors	46	27	5	5	20.1%	20.1%
668	Upholsterers	79	49	4	5	8.3%	9.3%
669	Shoe repairers	20	12	3	3	26.6%	26.6%
674	Miscellaneous precision apparel and fabric workers	10	6	0	0	0.0%	0.0%
675	Hand molders and shapers, except jewelers	19	9	3	3	33.2%	33.2%
676	Patternmakers, lay-out workers, and cutters	33	21	8	8	36.9%	36.9%
677	Optical goods workers	98	54	1	1	2.0%	2.0%
678	Dental laboratory and medical appliance technicians	65	38	0	0	0.0%	0.0%
679	Bookbinders	64	43	7	7	15.3%	15.3%
683	Electrical and electronic equipment assemblers	506	324	77	81	23.7%	25.0%
684	Miscellaneous precision workers, n.e.c.	30	17	3	4	15.9%	22.2%
686	Butchers and meat cutters	492	298	82	85	27.6%	28.6%
687	Bakers	198	121	30	31	24.5%	25.4%
688	Food batchmakers	69	43	8	9	19.7%	21.4%
689	Inspectors, testers, and graders	199	123	41	42	32.9%	34.3%
693	Adjusters and calibrators	14	7	2	2	22.6%	22.6%
694	Water and sewage treatment plant operators	98	57	20	24	35.2%	41.1%
695	Power plant operators	77	41	27	29	66.4%	70.8%
696	Stationary engineers	208	113	42	43	37.5%	38.5%
699	Miscellaneous plant and system operators	81	46	16	16	34.5%	35.3%
	MACHINE OPERATORS, ASSEMBLERS, AND INSPECTORS	12,237	7,403	1,936	2,043	26.2%	27.6%
703	Lathe and turning machine set-up operators	38	24	9	9	37.8%	37.8%
704	Lathe and turning machine operators	72	43	15	16	34.1%	36.8%
705	Milling and planing machine operators	14	10	4	4	40.3%	46.0%
706	Punching and stamping press machine operators	194	120	49	54	41.1%	45.0%
707	Rolling machine operators	17	10	5	5	52.0%	52.0%
708	Drilling and boring machine operators	43	26	9	9	34.0%	34.0%
709	Grinding, abrading, buffing, and polishing machine operators	216	126	44	44	34.6%	34.9%
713	Forging machine operators	18	10	7	7	68.4%	68.4%
714	Numerical control machine operators	9	6	1	2	25.3%	40.4%
715	Miscellaneous metal, plastic, stone, and glass working machine operators	53	30	9	9	31.7%	31.7%
717	Fabricating machine operators, n.e.c.	32	18	5	6	29.7%	31.2%
719	Molding and casting machine operators	167	101	24	26	24.1%	26.3%
723	Metal plating machine operators	34	19	5	5	24.8%	25.6%
724	Heat treating equipment operators	18	10	6	6	66.5%	66.5%
725	Miscellaneous metal and plastic processing machine operators	31	21	4	4	19.0%	20.6%
726	Wood lathe, routing, and planing machine operators	18	7	0	0	3.8%	3.8%
727	Sawing machine operators	119	70	8	9	12.0%	12.3%
728	Shaping and joining machine operators	12	8	0	0	4.1%	4.1%
729	Nailing and tacking machine operators	7	4	0	0	0.0%	0.0%
733	Miscellaneous woodworking machine operators	53	29	3	3	8.9%	8.9%
734	Printing press operators	490	303	66	70	21.9%	23.0%
735	Photoengravers and lithographers	46	31	8	8	25.2%	26.4%
736	Typesetters and compositors	85	50	5	5	9.3%	9.3%
737	Miscellaneous printing machine operators	67	39	6	8	16.1%	19.9%
738	Winding and twisting machine operators	141	76	8	8	10.2%	10.8%
739	Knitting, looping, taping, and weaving machine operators	75	38	1	1	2.2%	2.2%
743	Textile cutting machine operators	10	6	1	1	15.5%	15.5%
744	Textile sewing machine operators	1,122	674	101	109	15.0%	16.1%
745	Shoe machine operators	34	19	4	4	20.6%	20.6%
747	Pressing machine operators	189	130	21	21	16.0%	16.3%
748	Laundering and dry cleaning machine operators	295	168	13	15	8.0%	9.2%
749	Miscellaneous textile machine operators	112	56	5	6	9.3%	11.1%
753	Cementing and gluing machine operators	50	31	11	12	36.5%	39.5%
754	Packaging and filling machine operators	568	345	100	103	28.9%	29.9%
755	Extruding and forming machine operators	57	35	8	8	22.2%	22.2%
756	Mixing and blending machine operators	179	102	21	21	20.3%	20.7%
757	Separating, filtering, and clarifying machine operators	112	69	24	26	34.9%	36.9%
758	Compressing and compacting machine operators	38	29	8	8	28.2%	28.2%
759	Painting and paint spraying machine operators	289	178	50	51	28.3%	28.7%
763	Roasting and baking machine operators, food	10	4	1	1	25.7%	30.2%
764	Washing, cleaning, and pickling machine operators	16	11	6	7	57.9%	69.5%
765	Folding machine operators	33	19	3	4	16.1%	20.4%
766	Furnace, kiln, and oven operators, except food	123	71	36	39	50.9%	55.0%
768	Crushing and grinding machine operators	63	36	11	14	29.5%	38.5%
769	Slicing and cutting machine operators	314	189	44	46	23.1%	24.5%
773	Motion picture projectionists	15	11	1	1	13.6%	13.6%
774	Photographic process machine operators	133	82	6	6	7.1%	7.7%
777	Miscellaneous machine operators, n.e.c.	1,570	947	351	364	37.0%	38.4%
779	Machine operators, not specified	553	342	99	105	28.9%	30.8%
783	Welders and cutters	904	558	174	178	31.2%	31.9%
784	Solderers and brazers	53	33	4	4	12.8%	12.8%
785	Assemblers	1,817	1,100	327	346	29.7%	31.4%
786	Hand cutting and trimming occupations	20	15	3	3	18.5%	18.5%
787	Hand molding, casting, and forming occupations	40	26	5	5	20.2%	20.2%
789	Hand painting, coating, and decorating occupations	40	22	5	5	24.2%	24.2%
793	Hand engraving and printing occupations	24	16	1	2	3.6%	13.7%
795	Miscellaneous hand working occupations	107	65	4	4	6.3%	6.3%
796	Production inspectors, checkers, and examiners	959	595	154	170	25.9%	28.6%
797	Production testers	85	50	12	12	24.8%	25.0%
798	Production samplers and weighers	15	9	3	3	32.2%	32.2%
799	Graders and sorters, except agricultural	219	132	16	17	11.9%	12.8%
	TRANSPORTATION AND MATERIAL MOVING OCCUPATIONS	7,528	4,496	1,229	1,303	27.3%	29.0%
803	Supervisors, motor vehicle operators	130	81	3	4	3.8%	5.1%
804	Truck drivers	4,040	2,440	524	555	21.5%	22.7%
806	Driver-sales workers	269	159	39	39	24.8%	24.8%
808	Bus drivers	782	476	174	194	36.6%	40.8%
809	Taxicab drivers and chauffeurs	251	154	17	20	10.9%	13.2%
813	Parking lot attendants	66	41	12	13	29.1%	30.4%
814	Motor transportation occupations, n.e.c.	8	3	1	1	34.6%	34.6%
823	Railroad conductors and yardmasters	82	39	35	36	89.4%	91.2%
824	Locomotive operating occupations	82	40	35	35	88.5%	89.0%
825	Railroad brake, signal, and switch operators	44	20	19	19	93.8%	93.8%
826	Rail vehicle operators, n.e.c.	8	5	5	5	89.1%	89.1%
828	Ship captains and mates, except fishing boats	39	22	4	4	19.2%	19.2%
829	Sailors and deckhands	21	15	7	7	44.1%	44.1%
833	Marine engineers	6	5	2	2	44.9%	44.9%
834	Bridge, lock, and lighthouse tenders	11	8	2	3	27.3%	41.5%
843	Supervisors, material moving equipment operators	24	14	2	2	17.0%	17.0%
844	Operating engineers	364	191	69	73	36.1%	38.1%
845	Longshore equipment operators	4	2	2	2	100.0%	100.0%
848	Hoist and winch operators	24	13	3	3	22.2%	22.2%
849	Crane and tower operators	133	76	40	40	51.9%	53.0%
853	Excavating and loading machine operators	175	96	23	25	24.2%	26.0%
855	Grader, dozer, and scraper operators	154	86	31	32	35.8%	36.7%
856	Industrial truck and tractor equipment operators	683	438	155	161	35.4%	36.8%
859	Miscellaneous material moving equipment operators	128	69	24	26	34.1%	37.3%
	HANDLERS, EQUIPMENT CLEANERS, HELPERS, AND LABORERS	7,496	4,597	1,031	1,099	22.4%	23.9%
864	Supervisors, handlers, equipment cleaners, and laborers, n.e.c.	16	11	3	3	30.9%	30.9%
865	Helpers, mechanics, and repairers	54	33	5	5	15.0%	15.0%
866	Helpers, construction trades	184	119	13	14	11.1%	11.7%
867	Helpers, surveyor	7	5	0	0	0.0%	0.0%
868	Helpers, extractive occupations	3	2	0	0	0.0%	0.0%
869	Construction laborers	1,077	662	132	145	20.0%	22.0%
874	Production helpers	83	55	16	16	28.4%	29.6%
875	Garbage collectors	76	44	14	16	31.1%	36.0%
876	Stevedores	31	19	15	15	76.2%	76.2%
877	Stock handlers and baggers	1,575	945	214	226	22.7%	23.9%
878	Machine feeders and offbearers	155	94	32	34	34.6%	36.7%
883	Freight, stock, and material handlers, n.e.c.	1,069	688	205	219	29.8%	31.9%
885	Garage and service station related occupations	356	203	9	9	4.2%	4.2%
887	Vehicle washers and equipment cleaners	368	234	30	33	12.8%	13.9%
888	Hand packers and packagers	522	318	68	73	21.5%	22.9%
889	Laborers, except construction	1,920	1,166	275	291	23.6%	25.0%
Copyright 2025 by Barry T. Hirsch, David A. Macpherson, and William E. Even.  The use of this data requires citation.