Union Membership, Coverage, Density and Employment by Occupation: 1999
COC	Occupation	Obs	Employment (in 1000s)	Members (in 1000s)	Covered (in 1000s)	% Mem	% Cov
	EXECUTIVE, ADMINISTRATIVE, AND MANAGERIAL OCCUPATIONS	21,663	16,000	903	1,138	5.6%	7.1%
4	Chief executives and general administrators, public administration	27	19	2	2	9.7%	10.2%
5	Administrators and officials, public administration	967	638	108	139	17.0%	21.8%
6	Administrators, protective services	80	56	12	13	21.4%	22.6%
7	Financial managers	960	716	15	17	2.0%	2.4%
8	Personnel and labor relations managers	260	188	1	2	0.5%	1.1%
9	Purchasing managers	186	142	5	7	3.2%	5.3%
13	Managers, marketing, advertising, and public relations	914	718	10	17	1.4%	2.4%
14	Administrators, education and related fields	1,103	766	156	190	20.4%	24.8%
15	Managers, medicine and health	966	663	13	22	2.0%	3.3%
17	Managers, food serving and lodging establishments	1,397	1,041	29	43	2.8%	4.1%
18	Managers, properties and real estate	492	382	10	10	2.7%	2.7%
19	Funeral directors	44	32	1	1	2.0%	2.0%
21	Managers, service organizations, n.e.c.	891	630	53	59	8.5%	9.4%
22	Managers and administrators, n.e.c.	7,488	5,633	201	246	3.6%	4.4%
23	Accountants and auditors	1,987	1,473	80	110	5.4%	7.5%
24	Underwriters	161	125	1	3	1.0%	2.1%
25	Other financial officers	1,023	733	20	28	2.7%	3.8%
26	Management analysts	339	268	8	11	3.1%	4.1%
27	Personnel, training, and labor relations specialists	667	509	43	54	8.4%	10.7%
28	Purchasing agents and buyers, farm products	22	14	1	2	7.9%	14.4%
29	Buyers, wholesale and retail trade except farm products	239	175	9	9	4.9%	4.9%
33	Purchasing agents and buyers, n.e.c.	362	277	17	19	6.2%	6.8%
34	Business and promotion agents	25	20	0	1	0.0%	5.1%
35	Construction inspectors	100	73	17	18	22.8%	24.8%
36	Inspectors and compliance officers, except construction	344	246	71	90	28.9%	36.7%
37	Management related occupations, n.e.c.	619	462	20	25	4.3%	5.5%
	PROFESSIONAL SPECIALTY OCCUPATIONS, EXC. TEACHERS	17,041	12,596	1,265	1,484	10.0%	11.8%
43	Architects	182	134	4	6	2.9%	4.7%
44	Aerospace engineers	100	85	7	8	7.8%	10.0%
45	Metallurgical and materials engineers	37	30	1	2	3.7%	6.2%
46	Mining engineers	10	6	0	0	0.0%	0.0%
47	Petroleum engineers	26	18	0	0	0.0%	0.0%
48	Chemical engineers	109	77	2	2	2.9%	2.9%
49	Nuclear engineers	11	7	0	0	0.0%	0.0%
53	Civil engineers	344	263	35	41	13.4%	15.5%
54	Agricultural engineers	6	3	0	0	0.0%	0.0%
55	Electrical and electronic engineers	810	637	25	34	4.0%	5.3%
56	Industrial engineers	350	268	14	17	5.3%	6.5%
57	Mechanical engineers	417	332	14	16	4.3%	5.0%
58	Marine and naval architects	29	21	5	5	21.2%	22.5%
59	Engineers, n.e.c.	344	259	18	20	7.0%	7.6%
63	Surveyors and mapping scientists	19	12	2	2	17.0%	17.0%
64	Computer systems analysts and scientists	1,787	1,416	50	71	3.5%	5.0%
65	Operations and systems researchers and analysts	319	250	21	23	8.4%	9.2%
66	Actuaries	30	21	0	0	0.0%	0.0%
67	Statisticians	37	25	4	4	17.0%	17.0%
68	Mathematical scientists, n.e.c.	8	8	0	0	0.0%	0.0%
69	Physicists and astronomers	45	34	1	1	1.9%	1.9%
73	Chemists, except biochemists	183	133	8	8	5.7%	5.7%
74	Atmospheric and space scientists	18	11	1	2	6.4%	14.2%
75	Geologists and geodesists	68	51	2	3	3.6%	6.6%
76	Physical scientists, n.e.c.	73	58	5	5	7.9%	9.2%
77	Agricultural and food scientists	63	38	3	4	7.8%	10.2%
78	Biological and life scientists	140	102	11	14	10.6%	13.2%
79	Forestry and conservation scientists	53	20	2	2	10.0%	11.0%
83	Medical scientists	125	98	3	5	3.0%	5.0%
84	Physicians	686	500	20	31	4.0%	6.2%
85	Dentists	63	46	3	3	5.5%	5.5%
86	Veterinarians	33	24	0	0	1.2%	1.2%
87	Optometrists	18	13	0	0	0.0%	0.0%
88	Podiatrists	6	4	1	1	25.6%	25.6%
89	Health diagnosing practitioners, n.e.c.	14	11	0	0	0.0%	0.0%
95	Registered nurses	2,946	2,119	340	392	16.1%	18.5%
96	Pharmacists	263	190	22	26	11.3%	13.9%
97	Dietitians	100	75	9	10	11.9%	13.0%
98	Respiratory therapists	127	89	5	7	5.8%	7.9%
99	Occupational therapists	83	64	9	10	14.1%	16.0%
103	Physical therapists	181	129	10	13	7.8%	9.7%
104	Speech therapists	140	95	39	41	40.6%	42.7%
105	Therapists, n.e.c.	142	109	14	16	13.0%	14.5%
106	Physicians' assistants	91	66	4	5	6.4%	7.9%
	TEACHERS, POSTSECONDARY	1,400	974	164	204	16.8%	20.9%
113	Earth, environmental, and marine science teachers	9	4	0	0	6.2%	8.7%
114	Biological science teachers	56	38	6	7	16.8%	17.2%
115	Chemistry teachers	28	19	3	3	17.7%	17.7%
116	Physics teachers	25	19	2	2	8.1%	12.8%
117	Natural science teachers, n.e.c.	4	3	0	0	0.0%	0.0%
118	Psychology teachers	42	29	7	9	25.6%	30.4%
119	Economics teachers	29	21	3	5	15.7%	23.8%
123	History teachers	28	16	2	2	12.6%	12.6%
124	Political science teachers	15	9	2	2	20.7%	20.7%
125	Sociology teachers	15	10	1	2	7.6%	16.5%
126	Social science teachers, n.e.c.	10	6	1	1	11.6%	17.0%
127	Engineering teachers	56	39	7	8	17.0%	21.4%
128	Mathematical science teachers	55	45	12	14	27.5%	31.8%
129	Computer science teachers	26	18	4	6	20.8%	34.1%
133	Medical science teachers	25	20	4	5	20.6%	24.7%
134	Health specialties teachers	62	43	7	8	15.5%	17.8%
135	Business, commerce, and marketing teachers	34	25	4	7	15.0%	27.7%
136	Agriculture and forestry teachers	8	3	2	2	50.4%	50.4%
137	Art, drama, and music teachers	67	45	11	11	23.9%	24.8%
138	Physical education teachers	11	6	3	3	48.4%	48.4%
139	Education teachers	17	9	0	2	1.1%	18.1%
143	English teachers	104	70	16	23	23.3%	33.3%
144	Foreign language teachers	39	27	7	8	26.9%	30.0%
145	Law teachers	13	11	0	1	0.0%	9.6%
146	Social work teachers	5	4	2	2	38.9%	38.9%
147	Theology teachers	34	26	4	4	14.1%	16.0%
148	Trade and industrial teachers	2	2	0	0	0.0%	0.0%
149	Home economics teachers	1	0	0	0	100.0%	100.0%
153	Teachers, postsecondary, n.e.c.	7	6	1	1	14.2%	14.2%
154	Postsecondary teachers, subject not specified	573	402	54	67	13.5%	16.5%
	TEACHERS, EXCEPT POSTSECONDARY	7,069	5,122	2,262	2,527	44.2%	49.3%
155	Teachers, prekindergarten and kindergarten	752	578	112	128	19.3%	22.2%
156	Teachers, elementary school	2,910	2,104	1,136	1,256	54.0%	59.7%
157	Teachers, secondary school	1,885	1,339	730	827	54.6%	61.7%
158	Teachers, special education	528	376	223	241	59.3%	64.1%
159	Teachers, n.e.c.	994	725	61	75	8.4%	10.3%
163	Counselors, Educational and Vocational	356	245	89	103	36.3%	42.1%
164	Librarians	339	238	55	65	23.2%	27.3%
165	Archivists and curators	46	31	2	2	4.9%	6.9%
166	Economists	167	130	7	9	5.2%	6.6%
167	Psychologists	249	179	34	39	19.1%	21.8%
168	Sociologists	3	2	1	2	81.1%	100.0%
169	Social scientists, n.e.c.	41	26	3	4	10.3%	14.5%
173	Urban planners	29	21	1	2	6.3%	7.5%
174	Social workers	1,087	800	186	204	23.2%	25.4%
175	Recreation workers	175	132	7	7	5.0%	5.0%
176	Clergy	465	348	1	1	0.4%	0.4%
177	Religious workers, n.e.c.	193	136	0	1	0.2%	1.0%
178	Lawyers	942	656	30	40	4.6%	6.0%
183	Authors	95	58	2	3	4.3%	5.6%
184	Technical writers	88	67	1	1	1.5%	1.5%
185	Designers	715	542	22	25	4.0%	4.6%
186	Musicians and composers	121	90	12	13	13.5%	15.0%
187	Actors and directors	114	85	19	21	22.4%	24.9%
188	Painters, sculptors, craft-artists, and artist printmakers	151	109	13	15	12.0%	14.1%
189	Photographers	106	83	10	10	11.5%	11.5%
193	Dancers	25	18	0	0	0.0%	0.0%
194	Artists, performers, and related workers, n.e.c.	102	84	13	16	15.6%	18.7%
195	Editors and reporters	368	251	24	26	9.7%	10.4%
197	Public relations specialists	252	185	10	11	5.4%	6.0%
198	Announcers	61	38	3	3	8.4%	8.4%
199	Athletes	115	90	7	12	7.3%	13.4%
	TECHNICIANS AND RELATED SUPPORT OCCUPATIONS	5,591	4,188	461	523	11.0%	12.5%
203	Clinical laboratory technologists and technicians	471	349	29	30	8.2%	8.7%
204	Dental hygienists	149	100	5	6	4.9%	5.7%
205	Health record technologists and technicians	18	13	3	3	20.1%	21.7%
206	Radiologic technicians	235	170	14	17	8.5%	9.8%
207	Licensed practical nurses	485	349	38	46	10.8%	13.3%
208	Health technologists and technicians, n.e.c.	900	713	76	85	10.7%	11.9%
213	Electrical and electronic technicians	559	435	61	73	14.0%	16.9%
214	Industrial engineering technicians	2	1	0	0	0.0%	0.0%
215	Mechanical engineering technicians	26	18	2	2	11.5%	11.5%
216	Engineering technicians, n.e.c.	274	205	28	30	13.7%	14.9%
217	Drafting occupations	297	221	19	22	8.7%	10.0%
218	Surveying and mapping technicians	77	53	5	5	9.6%	9.6%
223	Biological technicians	141	105	8	8	7.2%	7.4%
224	Chemical technicians	103	74	15	18	19.6%	23.6%
225	Science technicians, n.e.c.	140	105	10	13	9.2%	12.7%
226	Airplane pilots and navigators	195	136	82	85	60.1%	62.0%
227	Air traffic controllers	38	25	14	16	58.1%	63.8%
228	Broadcast equipment operators	44	30	5	5	17.9%	17.9%
229	Computer programmers	792	605	25	34	4.1%	5.6%
233	Tool programmers, numerical control	11	9	3	3	28.5%	28.5%
234	Legal assistants	488	362	11	13	3.0%	3.5%
235	Technicians, n.e.c.	146	111	9	10	8.0%	8.7%
	SALES OCCUPATIONS	17,861	13,451	549	613	4.1%	4.6%
243	Supervisors and Proprietors, Sales Occupations	4,692	3,490	144	161	4.1%	4.6%
253	Insurance sales occupations	596	439	10	10	2.2%	2.2%
254	Real estate sales occupations	582	445	17	23	3.8%	5.2%
255	Securities and financial services sales occupations	534	421	8	10	1.9%	2.4%
256	Advertising and related sales occupations	228	177	8	10	4.7%	5.9%
257	Sales occupations, other business services	798	609	26	29	4.2%	4.7%
258	Sales engineers	45	35	0	0	0.0%	0.0%
259	Sales representatives, mining, manufacturing, and wholesale	1,772	1,340	24	30	1.8%	2.2%
263	Sales workers, motor vehicles and boats	383	287	3	3	1.1%	1.1%
264	Sales workers, apparel	504	394	4	4	0.9%	1.1%
265	Sales workers, shoes	158	130	1	1	1.0%	1.0%
266	Sales workers, furniture and home furnishings	226	166	1	1	0.5%	0.5%
267	Sales workers, radio, TV, hi-fi, and appliances	346	290	5	5	1.8%	1.8%
268	Sales workers, hardware and building supplies	372	268	4	4	1.4%	1.4%
269	Sales workers, parts	225	159	1	2	0.9%	1.1%
274	Sales workers, other commodities	1,748	1,301	35	39	2.7%	3.0%
275	Sales counter clerks	241	186	3	7	1.8%	3.9%
276	Cashiers	3,945	2,972	249	267	8.4%	9.0%
277	Street and door-to-door sales workers	235	178	1	1	0.4%	0.4%
278	News vendors	114	80	2	3	3.1%	4.0%
283	Demonstrators, promoters and models, sales	92	64	1	1	2.1%	2.1%
284	Auctioneers	2	2	0	0	0.0%	0.0%
285	Sales support occupations, n.e.c.	23	18	1	1	6.5%	6.5%
	ADMINISTRATIVE SUPPORT OCCUPATIONS, INCLUDING CLERICAL	24,191	17,874	2,182	2,474	12.2%	13.8%
303	Supervisors, general office	502	366	39	44	10.6%	12.1%
304	Supervisors, computer equipment operators	25	16	2	3	15.5%	17.7%
305	Supervisors, financial records processing	100	78	2	2	3.0%	3.0%
306	Chief communications operators	4	2	0	0	12.8%	12.8%
307	Supervisors, distribution, scheduling, and adjusting clerks	254	209	34	37	16.3%	17.8%
308	Computer operators	438	332	28	32	8.5%	9.8%
309	Peripheral equipment operators	6	5	0	0	0.0%	0.0%
313	Secretaries	3,774	2,675	225	269	8.4%	10.1%
314	Stenographers	134	92	9	10	10.1%	10.9%
315	Typists	714	518	68	79	13.1%	15.2%
316	Interviewers	245	179	12	13	6.5%	7.3%
317	Hotel clerks	182	124	4	6	3.3%	4.8%
318	Transportation ticket and reservation agents	378	271	33	35	12.0%	12.9%
319	Receptionists	1,476	1,103	38	48	3.5%	4.3%
323	Information clerks, n.e.c.	576	453	20	24	4.4%	5.2%
325	Classified-ad clerks	6	5	0	0	0.0%	0.0%
326	Correspondence clerks	10	7	1	1	9.4%	9.4%
327	Order clerks	362	280	71	76	25.3%	27.0%
328	Personnel clerks, except payroll and timekeeping	93	65	5	6	7.3%	9.7%
329	Library clerks	204	145	19	24	12.8%	16.4%
335	File clerks	431	350	19	21	5.4%	6.0%
336	Records clerks	283	203	31	37	15.4%	18.2%
337	Bookkeepers, accounting, and auditing clerks	2,004	1,436	58	73	4.1%	5.1%
338	Payroll and timekeeping clerks	208	142	16	16	11.0%	11.4%
339	Billing clerks	242	176	13	14	7.2%	7.7%
343	Cost and rate clerks	72	57	5	7	8.7%	11.7%
344	Billing, posting, and calculating machine operators	126	96	7	7	7.4%	7.4%
345	Duplicating machine operators	50	37	4	5	10.8%	14.1%
346	Mail preparing and paper handling machine operators	6	4	0	1	0.0%	15.5%
347	Office machine operators, n.e.c.	32	23	1	2	4.8%	7.0%
348	Telephone operators	193	141	31	34	22.1%	23.8%
353	Communications equipment operators, n.e.c.	18	12	3	3	23.2%	23.2%
354	Postal clerks, except mail carriers	433	321	223	256	69.5%	80.0%
355	Mail carriers, postal service	466	327	253	272	77.3%	83.0%
356	Mail clerks, except postal service	236	178	27	28	15.0%	15.7%
357	Messengers	194	145	11	11	7.9%	7.9%
359	Dispatchers	352	257	44	44	17.1%	17.3%
363	Production coordinators	268	198	21	22	10.7%	11.2%
364	Traffic, shipping, and receiving clerks	797	627	95	101	15.2%	16.1%
365	Stock and inventory clerks	584	458	95	103	20.8%	22.6%
366	Meter readers	56	40	12	14	29.6%	35.0%
368	Weighers, measurers, checkers, and samplers	66	47	8	8	16.8%	17.1%
373	Expediters	348	259	22	22	8.5%	8.5%
374	Material recording, scheduling, and distributing clerks, n.e.c.	14	10	4	4	38.9%	38.9%
375	Insurance adjusters, examiners, and investigators	581	443	13	14	2.9%	3.1%
376	Investigators and adjusters, except insurance	1,414	1,067	51	58	4.8%	5.4%
377	Eligibility clerks, social welfare	140	107	26	31	24.8%	28.8%
378	Bill and account collectors	232	180	8	8	4.4%	4.4%
379	General office clerks	976	742	70	85	9.5%	11.5%
383	Bank tellers	590	431	5	5	1.2%	1.2%
384	Proofreaders	25	17	0	0	0.0%	0.0%
385	Data-entry keyers	976	739	69	87	9.3%	11.7%
386	Statistical clerks	143	97	11	12	11.6%	12.4%
387	Teachers' aides	958	692	228	258	32.9%	37.3%
389	Administrative support occupations, n.e.c.	1,194	888	86	101	9.7%	11.4%
	PRIVATE HOUSEHOLD OCCUPATIONS	1,105	844	6	7	0.7%	0.8%
403	Launderers and ironers	2	1	0	0	0.0%	0.0%
404	Cooks, private household	9	6	1	1	10.8%	10.8%
405	Housekeepers and butlers	15	10	0	0	0.0%	0.0%
406	Child care workers, private household	373	300	1	2	0.3%	0.7%
407	Private household cleaners and servants	706	527	4	4	0.8%	0.8%
	PROTECTIVE SERVICE OCCUPATIONS	3,114	2,427	927	991	38.2%	40.8%
413	Supervisors, firefighting and fire prevention occupations	48	38	24	24	62.7%	64.6%
414	Supervisors, police and detectives	124	100	49	52	48.6%	52.6%
415	Supervisors, guards	56	44	2	2	3.7%	3.7%
416	Fire inspection and fire prevention occupations	24	19	5	7	27.0%	35.5%
417	Firefighting occupations	293	217	150	155	69.2%	71.5%
418	Police and detectives, public service	803	619	378	401	61.1%	64.8%
423	Sheriffs, bailiffs, and other law enforcement officers	238	184	72	81	39.3%	44.2%
424	Correctional institution officers	359	305	145	154	47.7%	50.3%
425	Crossing guards	53	39	6	7	15.2%	17.6%
426	Guards and police, except public service	967	749	89	99	11.9%	13.2%
427	Protective service occupations, n.e.c.	149	113	7	8	6.5%	7.1%
	SERVICE OCCUPATIONS, EXCEPT PROTECTIVE AND HOUSEHOLD	18,529	13,558	1,218	1,339	9.0%	9.9%
433	Supervisors, food preparation and service occupations	616	462	17	19	3.6%	4.2%
434	Bartenders	456	304	10	12	3.4%	4.1%
435	Waiters and waitresses	1,944	1,426	36	42	2.5%	3.0%
436	Cooks	2,798	2,064	93	112	4.5%	5.4%
438	Food counter, fountain and related occupations	497	370	7	7	2.0%	2.0%
439	Kitchen workers, food preparation	404	283	50	50	17.8%	17.8%
443	Waiters'/waitresses' assistants	697	539	25	29	4.6%	5.3%
444	Miscellaneous food preparation occupations	893	624	56	60	8.9%	9.7%
445	Dental assistants	274	217	6	6	2.7%	2.8%
446	Health aides, except nursing	474	347	49	51	14.1%	14.8%
447	Nursing aides, orderlies, and attendants	2,627	1,944	213	239	11.0%	12.3%
448	Supervisors, cleaning and building service workers	243	164	21	25	12.6%	15.5%
449	Maids and housemen	919	635	76	80	12.0%	12.6%
453	Janitors and cleaners	2,811	2,060	366	392	17.8%	19.0%
454	Elevator operators	14	7	5	5	63.4%	63.4%
455	Pest control occupations	72	62	5	6	8.8%	10.2%
456	Supervisors, personal service occupations	93	70	5	5	7.8%	7.8%
457	Barbers	37	30	0	0	0.0%	0.0%
458	Hairdressers and cosmetologists	631	484	5	7	1.1%	1.5%
459	Attendants, amusement and recreation facilities	368	243	16	19	6.6%	7.8%
461	Guides	56	36	3	4	9.8%	10.5%
462	Ushers	46	35	2	2	7.0%	7.0%
463	Public transportation attendants	137	108	72	73	66.5%	67.9%
464	Baggage porters and bellhops	65	51	14	15	28.4%	29.9%
465	Welfare service aides	135	90	7	8	8.3%	8.5%
466	Family child care providers	18	14	0	0	0.0%	0.0%
467	Early childhood teacher's assistants	681	513	22	27	4.2%	5.3%
468	Child care workers, n.e.c.	312	222	16	21	7.3%	9.5%
469	Personal service occupations, n.e.c.	211	154	18	19	11.6%	12.2%
	FARMING, FORESTRY, AND FISHING OCCUPATIONS	2,624	1,940	113	125	5.8%	6.4%
473	Farmers, except horticulture	14	8	0	0	0.0%	0.0%
475	Managers, farms, except horticultural	94	65	2	2	3.0%	3.2%
476	Managers, horticultural specialty farms	11	8	0	1	0.0%	14.9%
477	Supervisors, farm workers	52	46	0	0	0.0%	0.0%
479	Farm workers	943	663	13	15	1.9%	2.3%
483	Marine life cultivation workers	4	3	2	2	82.6%	82.6%
484	Nursery workers	42	35	2	2	4.9%	4.9%
485	Supervisors, related agricultural occupations	112	92	10	12	10.5%	12.6%
486	Groundskeepers and gardeners, except farm	1,034	800	70	74	8.8%	9.2%
487	Animal caretakers, except farm	118	83	2	2	2.5%	2.5%
488	Graders and sorters, agricultural products	66	59	4	5	6.1%	7.8%
489	Inspectors, agricultural products	3	4	0	0	0.0%	0.0%
494	Supervisors, forestry and logging workers	19	8	1	2	13.0%	23.5%
495	Forestry workers, except logging	29	16	3	3	17.1%	17.1%
496	Timber cutting and logging occupations	58	37	4	4	11.3%	11.3%
497	Captains and other officers, fishing vessels	4	1	0	0	0.0%	0.0%
498	Fishers	19	11	1	1	7.1%	7.1%
499	Hunters and trappers	2	2	0	1	0.0%	45.5%
	PRECISION PRODUCTION, CRAFT, & REPAIR, EXC. CONSTRUCTION	10,765	8,127	1,667	1,752	20.5%	21.6%
503	Supervisors, mechanics and repairers	358	267	39	39	14.8%	14.8%
505	Automobile mechanics	880	664	59	63	8.8%	9.5%
506	Automobile mechanic apprentices	4	3	0	0	0.0%	0.0%
507	Bus, truck, and stationary engine mechanics	426	308	78	80	25.3%	26.1%
508	Aircraft engine mechanics	189	148	64	67	43.4%	45.2%
509	Small engine repairers	78	58	2	2	3.8%	3.8%
514	Automobile body and related repairers	192	129	7	7	5.1%	5.1%
515	Aircraft mechanics, except engine	26	24	15	15	61.8%	61.8%
516	Heavy equipment mechanics	248	146	46	51	31.5%	34.6%
517	Farm equipment mechanics	47	27	0	0	1.8%	1.8%
518	Industrial machinery repairers	701	553	153	158	27.7%	28.5%
519	Machinery maintenance occupations	22	12	5	5	43.7%	43.7%
523	Electronic repairers, communications and industrial equipment	255	209	44	49	21.0%	23.3%
525	Data processing equipment repairers	392	310	30	33	9.8%	10.6%
526	Household appliance and power tool repairers	55	40	3	3	8.4%	8.4%
527	Telephone line installers and repairers	79	56	34	34	60.0%	60.0%
529	Telephone installers and repairers	327	244	132	136	54.1%	55.9%
533	Miscellaneous electrical and electronic equipment repairers	97	77	32	34	41.3%	43.5%
534	Heating, air conditioning, and refrigeration mechanics	394	318	80	83	25.1%	26.0%
535	Camera, watch, and musical instrument repairers	22	14	0	1	2.9%	10.4%
536	Locksmiths and safe repairers	25	17	1	1	5.5%	5.5%
538	Office machine repairers	70	49	5	6	10.5%	11.8%
539	Mechanical controls and valve repairers	23	15	6	6	41.8%	41.8%
543	Elevator installers and repairers	30	22	13	13	61.9%	61.9%
544	Millwrights	98	75	39	40	52.1%	53.3%
547	Specified mechanics and repairers, n.e.c.	482	366	59	63	16.0%	17.2%
549	Not specified mechanics and repairers	375	274	57	59	20.7%	21.6%
	CONSTRUCTION TRADES	5,707	4,346	1,133	1,178	26.1%	27.1%
553	Supervisors, brickmasons, stonemasons, and tile setters	3	3	1	1	33.7%	33.7%
554	Supervisors, carpenters and related workers	38	27	5	5	16.7%	16.7%
555	Supervisors, electricians and power transmission installers	53	39	13	13	34.3%	34.3%
556	Supervisors, painters, paperhangers, and plasterers	13	12	2	2	13.1%	13.1%
557	Supervisors, plumbers, pipefitters, and steamfitters	15	12	4	5	33.1%	40.3%
558	Supervisors, construction, n.e.c.	563	421	74	76	17.6%	18.0%
563	Brickmasons and stonemasons	169	135	34	34	25.2%	25.2%
564	Brickmason and stonemason apprentices	1	1	0	0	0.0%	0.0%
565	Tile setters, hard and soft	75	59	7	8	11.8%	13.0%
566	Carpet installers	84	69	6	7	8.6%	9.6%
567	Carpenters	1,348	1,002	203	216	20.2%	21.5%
569	Carpenter apprentices	12	11	5	5	47.2%	47.2%
573	Drywall installers	167	133	25	27	18.9%	20.4%
575	Electricians	943	711	298	303	41.9%	42.7%
576	Electrician apprentices	74	48	19	19	40.7%	40.7%
577	Electrical power installers and repairers	178	135	64	67	47.6%	49.5%
579	Painters, construction and maintenance	448	376	42	45	11.0%	12.1%
583	Paperhangers	14	9	1	1	14.3%	14.3%
584	Plasterers	48	46	5	5	11.6%	11.6%
585	Plumbers, pipefitters, and steamfitters	562	416	151	155	36.4%	37.2%
587	Plumber, pipefitter, and steamfitter apprentices	25	18	5	6	26.9%	32.8%
588	Concrete and terrazzo finishers	113	88	21	21	23.9%	23.9%
589	Glaziers	52	43	9	9	21.5%	21.8%
593	Insulation workers	63	54	13	13	23.1%	24.5%
594	Paving, surfacing, and tamping equipment operators	18	12	2	2	19.0%	19.0%
595	Roofers	210	168	25	29	15.1%	17.3%
596	Sheetmetal duct installers	59	48	16	16	33.3%	33.3%
597	Structural metal workers	82	56	31	32	55.3%	57.3%
598	Drillers, earth	33	21	2	2	7.4%	7.4%
599	Construction trades, n.e.c.	244	174	50	54	28.6%	31.1%
613	Supervisors, extractive occupations	69	35	2	3	5.4%	7.4%
614	Drillers, oil well	46	25	1	1	5.2%	5.2%
615	Explosives workers	13	10	3	3	36.4%	36.4%
616	Mining machine operators	89	37	14	14	36.8%	38.6%
617	Mining occupations, n.e.c.	34	22	2	2	10.2%	10.2%
628	Supervisors, production occupations	1,452	1,136	102	110	9.0%	9.7%
634	Tool and die makers	177	137	44	45	32.3%	32.9%
635	Tool and die maker apprentices	4	3	0	0	0.0%	0.0%
636	Precision assemblers, metal	31	26	8	8	33.0%	33.0%
637	Machinists	609	497	104	111	20.9%	22.3%
639	Machinist apprentices	6	6	0	0	0.0%	0.0%
643	Boilermakers	32	22	15	15	67.5%	67.5%
644	Precision grinders, filers, and tool sharpeners	17	15	6	6	43.5%	43.5%
645	Patternmakers and model makers, metal	12	10	4	5	42.2%	49.7%
646	Lay-out workers	9	8	2	2	32.3%	32.3%
647	Precious stones and metals workers	46	26	2	2	7.8%	7.8%
649	Engravers, metal	14	11	0	0	0.0%	0.0%
653	Sheet metal workers	165	129	52	53	40.3%	40.8%
654	Sheet metal worker apprentices	2	2	2	2	100.0%	100.0%
656	Patternmakers and model makers, wood	1	1	1	1	100.0%	100.0%
657	Cabinet makers and bench carpenters	80	61	3	3	4.3%	4.3%
658	Furniture and wood finishers	21	17	1	1	4.2%	4.2%
659	Miscellaneous precision woodworkers	2	2	1	1	68.3%	68.3%
666	Dressmakers	39	29	1	2	5.1%	6.2%
667	Tailors	42	39	0	0	0.0%	0.0%
668	Upholsterers	62	53	1	1	1.0%	1.0%
669	Shoe repairers	9	7	1	1	9.3%	9.3%
674	Miscellaneous precision apparel and fabric workers	17	13	2	2	14.9%	14.9%
675	Hand molders and shapers, except jewelers	29	23	2	3	8.9%	12.3%
676	Patternmakers, lay-out workers, and cutters	16	12	2	2	21.6%	21.6%
677	Optical goods workers	98	79	3	4	3.7%	4.8%
678	Dental laboratory and medical appliance technicians	50	38	0	1	0.0%	2.1%
679	Bookbinders	50	36	5	5	15.0%	15.0%
683	Electrical and electronic equipment assemblers	380	304	49	52	16.1%	17.0%
684	Miscellaneous precision workers, n.e.c.	23	16	3	3	15.9%	15.9%
686	Butchers and meat cutters	351	258	68	71	26.3%	27.4%
687	Bakers	178	133	19	22	14.1%	16.2%
688	Food batchmakers	53	42	8	8	18.5%	20.0%
689	Inspectors, testers, and graders	167	129	27	32	20.8%	24.8%
693	Adjusters and calibrators	12	8	1	1	10.7%	10.7%
694	Water and sewage treatment plant operators	80	58	19	20	33.6%	35.0%
695	Power plant operators	56	36	19	20	51.8%	54.1%
696	Stationary engineers	160	114	50	52	44.2%	45.4%
699	Miscellaneous plant and system operators	67	41	14	15	33.0%	36.2%
	MACHINE OPERATORS, ASSEMBLERS, AND INSPECTORS	9,282	7,255	1,490	1,572	20.5%	21.7%
703	Lathe and turning machine set-up operators	22	17	4	4	21.3%	21.3%
704	Lathe and turning machine operators	49	40	9	9	22.0%	22.0%
705	Milling and planing machine operators	7	5	1	1	18.7%	18.7%
706	Punching and stamping press machine operators	128	103	27	30	26.5%	29.5%
707	Rolling machine operators	18	13	6	6	45.7%	45.7%
708	Drilling and boring machine operators	12	10	5	6	50.0%	62.4%
709	Grinding, abrading, buffing, and polishing machine operators	148	118	28	29	23.9%	24.2%
713	Forging machine operators	15	12	4	4	37.8%	37.8%
714	Numerical control machine operators	32	24	6	6	24.5%	24.5%
715	Miscellaneous metal, plastic, stone, and glass working machine operators	48	39	8	9	21.0%	22.2%
717	Fabricating machine operators, n.e.c.	29	27	3	4	11.6%	14.1%
719	Molding and casting machine operators	123	98	16	17	16.7%	17.3%
723	Metal plating machine operators	40	29	9	10	30.8%	34.6%
724	Heat treating equipment operators	11	7	3	3	49.3%	49.3%
725	Miscellaneous metal and plastic processing machine operators	13	10	0	1	0.0%	12.3%
726	Wood lathe, routing, and planing machine operators	21	15	2	2	16.2%	16.2%
727	Sawing machine operators	124	83	5	5	6.4%	6.4%
728	Shaping and joining machine operators	9	5	0	0	0.0%	0.0%
729	Nailing and tacking machine operators	6	5	0	0	0.0%	0.0%
733	Miscellaneous woodworking machine operators	51	34	4	4	11.9%	12.3%
734	Printing press operators	349	271	28	32	10.4%	11.7%
735	Photoengravers and lithographers	33	26	6	6	21.7%	21.7%
736	Typesetters and compositors	33	23	4	4	17.2%	17.2%
737	Miscellaneous printing machine operators	41	30	4	7	12.6%	22.9%
738	Winding and twisting machine operators	50	43	4	4	9.2%	9.2%
739	Knitting, looping, taping, and weaving machine operators	35	30	1	1	4.3%	4.3%
743	Textile cutting machine operators	9	7	0	0	0.0%	0.0%
744	Textile sewing machine operators	569	453	53	59	11.7%	13.1%
745	Shoe machine operators	17	10	2	2	19.3%	25.5%
747	Pressing machine operators	107	85	7	7	7.7%	7.7%
748	Laundering and dry cleaning machine operators	248	174	13	16	7.6%	9.1%
749	Miscellaneous textile machine operators	46	39	2	2	6.0%	6.0%
753	Cementing and gluing machine operators	26	18	1	1	4.8%	4.8%
754	Packaging and filling machine operators	483	375	88	92	23.5%	24.7%
755	Extruding and forming machine operators	45	36	9	9	26.3%	26.3%
756	Mixing and blending machine operators	153	136	34	34	24.9%	25.4%
757	Separating, filtering, and clarifying machine operators	73	61	20	21	32.2%	34.5%
758	Compressing and compacting machine operators	25	24	4	7	16.8%	28.5%
759	Painting and paint spraying machine operators	239	192	31	33	16.0%	17.0%
763	Roasting and baking machine operators, food	8	7	5	5	71.9%	71.9%
764	Washing, cleaning, and pickling machine operators	13	10	3	3	31.5%	31.5%
765	Folding machine operators	16	12	3	3	21.7%	21.7%
766	Furnace, kiln, and oven operators, except food	97	70	29	31	41.4%	44.6%
768	Crushing and grinding machine operators	51	34	7	7	21.7%	21.7%
769	Slicing and cutting machine operators	225	163	39	39	23.8%	23.9%
773	Motion picture projectionists	10	7	1	1	10.9%	10.9%
774	Photographic process machine operators	131	99	2	2	2.5%	2.5%
777	Miscellaneous machine operators, n.e.c.	1,389	1,126	299	311	26.5%	27.6%
779	Machine operators, not specified	521	403	96	97	23.7%	24.2%
783	Welders and cutters	712	543	144	148	26.6%	27.2%
784	Solderers and brazers	29	21	3	3	14.6%	14.6%
785	Assemblers	1,542	1,228	283	299	23.0%	24.3%
786	Hand cutting and trimming occupations	14	9	4	4	42.6%	42.6%
787	Hand molding, casting, and forming occupations	23	16	1	1	4.8%	7.5%
789	Hand painting, coating, and decorating occupations	30	22	2	2	8.5%	8.5%
793	Hand engraving and printing occupations	11	9	0	0	0.0%	0.0%
795	Miscellaneous hand working occupations	56	40	2	3	4.7%	7.8%
796	Production inspectors, checkers, and examiners	646	503	90	96	17.9%	19.0%
797	Production testers	69	55	9	9	16.8%	17.1%
798	Production samplers and weighers	8	5	1	1	28.2%	28.2%
799	Graders and sorters, except agricultural	194	148	16	18	11.0%	12.2%
	TRANSPORTATION AND MATERIAL MOVING OCCUPATIONS	6,792	5,041	1,148	1,216	22.8%	24.1%
803	Supervisors, motor vehicle operators	112	82	9	12	11.0%	14.9%
804	Truck drivers	3,701	2,785	488	524	17.5%	18.8%
806	Driver-sales workers	188	145	36	38	24.5%	26.0%
808	Bus drivers	693	484	182	191	37.7%	39.5%
809	Taxicab drivers and chauffeurs	294	208	13	14	6.3%	6.9%
813	Parking lot attendants	80	66	6	6	9.1%	9.1%
814	Motor transportation occupations, n.e.c.	12	9	2	2	18.6%	18.6%
823	Railroad conductors and yardmasters	66	49	41	41	84.8%	84.8%
824	Locomotive operating occupations	69	45	34	34	76.8%	76.8%
825	Railroad brake, signal, and switch operators	10	7	5	5	73.0%	73.0%
826	Rail vehicle operators, n.e.c.	8	8	7	7	85.8%	85.8%
828	Ship captains and mates, except fishing boats	36	27	8	9	30.0%	32.3%
829	Sailors and deckhands	30	20	5	5	27.1%	27.1%
833	Marine engineers	6	4	0	0	7.5%	7.5%
834	Bridge, lock, and lighthouse tenders	9	6	2	3	32.9%	47.4%
843	Supervisors, material moving equipment operators	19	15	2	2	15.2%	16.7%
844	Operating engineers	341	232	74	79	31.8%	34.3%
845	Longshore equipment operators	8	6	3	3	55.3%	55.3%
848	Hoist and winch operators	30	21	6	6	27.8%	27.8%
849	Crane and tower operators	96	72	35	38	48.1%	52.0%
853	Excavating and loading machine operators	130	84	24	24	28.2%	28.2%
855	Grader, dozer, and scraper operators	92	64	15	16	24.1%	24.2%
856	Industrial truck and tractor equipment operators	652	532	124	130	23.4%	24.5%
859	Miscellaneous material moving equipment operators	110	73	27	27	36.4%	36.4%
	HANDLERS, EQUIPMENT CLEANERS, HELPERS, AND LABORERS	6,644	5,218	989	1,042	18.9%	20.0%
864	Supervisors, handlers, equipment cleaners, and laborers, n.e.c.	10	10	1	1	14.6%	14.6%
865	Helpers, mechanics, and repairers	31	22	2	2	6.8%	9.7%
866	Helpers, construction trades	120	107	5	5	4.5%	4.5%
867	Helpers, surveyor	11	10	2	2	15.1%	15.1%
868	Helpers, extractive occupations	3	2	0	0	0.0%	0.0%
869	Construction laborers	1,182	907	191	193	21.1%	21.3%
874	Production helpers	75	63	13	14	20.9%	21.9%
875	Garbage collectors	53	44	17	17	37.9%	37.9%
876	Stevedores	27	25	19	19	75.0%	75.0%
877	Stock handlers and baggers	1,554	1,202	201	219	16.7%	18.2%
878	Machine feeders and offbearers	96	87	19	23	22.2%	26.5%
883	Freight, stock, and material handlers, n.e.c.	893	719	204	217	28.5%	30.2%
885	Garage and service station related occupations	232	167	8	8	4.6%	4.9%
887	Vehicle washers and equipment cleaners	348	264	19	20	7.1%	7.6%
888	Hand packers and packagers	397	298	40	41	13.5%	13.7%
889	Laborers, except construction	1,612	1,291	248	261	19.2%	20.3%
Copyright 2025 by Barry T. Hirsch, David A. Macpherson, and William E. Even.  The use of this data requires citation.