Union Membership, Coverage, Density and Employment by Industry: 2020
CIC	Industry	Obs	Employment (in 1000s)	Members (in 1000s)	Covered (in 1000s)	% Mem	% Cov
	AGRICULTURE, FORESTRY, FISHING, & HUNTING	1,498	1,328	32	36	2.4%	2.7%
170	Crop production	732	734	12	12	1.6%	1.6%
180	Animal production	468	367	4	6	1.0%	1.7%
190	Forestry except logging	70	44	9	10	21.3%	23.3%
270	Logging	84	69	2	2	2.7%	2.7%
280	Fishing, hunting, and trapping	38	21	0	1	0.8%	4.4%
290	Support activities for agriculture and forestry	106	94	5	5	5.4%	5.4%
	MINING	966	658	39	45	5.9%	6.8%
370	Oil and gas extraction	110	87	4	4	4.0%	4.0%
380	Coal mining	125	45	5	5	11.3%	11.6%
390	Metal ore mining	60	42	4	4	8.7%	8.7%
470	Nonmetallic mineral mining and quarrying	110	95	10	12	10.2%	13.1%
490	Support activities for mining	561	390	17	20	4.3%	5.2%
	UTILITIES	9,542	9,598	1,424	1,512	14.8%	15.8%
570	Electric power generation, transmission and distribution	832	760	186	196	24.5%	25.8%
580	Natural gas distribution	122	104	21	23	20.6%	21.9%
590	Electric and gas, and other combinations	110	123	28	34	23.0%	27.3%
670	Water, steam, air conditioning, and irrigation systems	277	262	57	61	21.7%	23.4%
680	Sewage treatment facilities	109	101	24	24	23.7%	23.7%
690	Not specified utilities	38	37	6	6	16.6%	16.6%
770	CONSTRUCTION	8,054	8,212	1,101	1,168	13.4%	14.2%
	NONDURABLE GOODS MANUFACTURING	5,149	5,200	426	467	8.2%	9.0%
1070	Animal food, grain, and oilseed milling	160	138	14	15	10.5%	10.8%
1080	Sugar and confectionery products	70	57	9	9	15.9%	15.9%
1090	Fruit and vegetable preserving and specialty food manufacturing	158	151	21	22	13.9%	14.7%
1170	Dairy product manufacturing	150	130	17	17	13.3%	13.3%
1180	Animal slaughtering and processing	556	476	85	96	17.9%	20.3%
1190	Retail bakeries	193	200	12	14	5.8%	7.2%
1270	Bakeries and tortilla manufacturing, except retail	164	171	7	7	3.9%	3.9%
1280	Seafood and other miscellaneous foods, n.e.c.	182	183	18	18	9.7%	10.1%
1290	Not specified food industries	76	81	11	11	14.0%	14.0%
1370	Beverage manufacturing	235	260	22	24	8.5%	9.3%
1390	Tobacco manufacturing	16	24	1	1	4.6%	4.6%
1470	Fiber, yarn, and thread mills	6	4	0	0	0.0%	3.1%
1480	Fabric mills, except knitting mills	75	80	3	4	4.0%	4.5%
1490	Textile and fabric finishing and coating mills	4	3	0	0	0.0%	0.0%
1570	Carpet and rug mills	51	57	0	0	0.0%	0.0%
1590	Textile product mills, except carpet and rug	52	52	1	1	2.1%	2.1%
1670	Knitting mills, and apparel knitting mills	6	5	0	0	0.0%	0.0%
1691	Cut and sew, and apparel accessories and other apparel manufacturing	155	170	5	6	2.8%	3.5%
1770	Footwear manufacturing	18	17	3	3	15.7%	15.7%
1790	Leather tanning and finishing and other leather and allied products manufacturi	14	17	0	0	0.0%	0.0%
1870	Pulp, paper, and paperboard mills	202	184	55	60	29.8%	32.8%
1880	Paperboard containers and boxes	81	93	9	9	9.1%	9.1%
1890	Miscellaneous paper and pulp products	91	98	13	14	13.3%	14.6%
1990	Printing and related support activities	358	377	14	15	3.7%	3.9%
2070	Petroleum refining	188	163	23	23	14.1%	14.1%
2090	Miscellaneous petroleum and coal products	22	23	6	6	27.9%	27.9%
2170	Resin, synthetic rubber and fibers, and filaments manufacturing	148	150	8	12	5.4%	8.0%
2180	Agricultural chemical manufacturing	43	35	2	2	6.5%	6.5%
2190	Pharmaceutical and medicine manufacturing	586	669	10	15	1.6%	2.3%
2270	Paint, coating, and adhesives manufacturing	57	70	5	5	7.8%	7.8%
2280	Soap, cleaning compound, and cosmetic manufacturing	129	141	3	3	2.1%	2.1%
2290	Industrial and miscellaneous chemicals	402	403	31	36	7.8%	8.9%
2370	Plastics product manufacturing	388	405	13	13	3.1%	3.2%
2380	Tire manufacturing	46	49	3	3	5.6%	5.6%
2390	Rubber product, except tire, manufacturing	67	64	1	1	1.8%	1.8%
	DURABLE GOODS MANUFACTURING	8,650	8,776	765	834	8.7%	9.5%
2470	Pottery, ceramics, and plumbing fixture manufacturing	13	10	1	1	5.0%	6.7%
2480	Structural clay product manufacturing	25	28	0	3	0.0%	10.8%
2490	Glass and glass product manufacturing	115	123	19	21	15.8%	16.8%
2570	Cement, concrete, lime, and gypsum product manufacturing	151	139	10	12	7.3%	8.4%
2590	Miscellaneous nonmetallic mineral product manufacturing	59	58	4	4	6.3%	6.3%
2670	Iron and steel mills and steel product manufacturing	259	250	60	63	24.2%	25.3%
2680	Aluminum production and processing	75	74	12	13	15.7%	17.1%
2690	Nonferrous metal (except aluminum) production and processing	36	26	3	5	12.1%	17.8%
2770	Foundries	60	57	2	4	3.9%	6.9%
2780	Metal forgings and stampings	40	44	0	1	0.0%	2.3%
2790	Cutlery and hand tool manufacturing	50	45	4	4	9.8%	9.8%
2870	Structural metals, and boiler, tank, and shipping container manufacturing	297	304	48	50	15.6%	16.6%
2880	Machine shops; turned product; screw, nut, and bolt manufacturing	253	253	10	11	4.0%	4.5%
2890	Coating, engraving, heat treating and allied activities	61	60	4	5	6.2%	8.4%
2970	Ordnance	59	40	5	6	13.1%	13.9%
2980	Miscellaneous fabricated metal products manufacturing	313	316	14	15	4.5%	4.9%
2990	Not specified metal industries	16	17	1	3	6.7%	18.5%
3070	Agricultural implement manufacturing	119	89	10	10	11.6%	11.6%
3080	Construction, and mining and oil and gas field machinery manufacturing	158	131	11	11	8.5%	8.7%
3095	Commercial and service industry machinery manufacturing	72	75	1	1	1.5%	1.5%
3170	Metalworking machinery manufacturing	90	92	11	11	12.5%	12.5%
3180	Engines, turbines, and power transmission equipment manufacturing	43	35	3	3	9.2%	9.2%
3291	Machinery manufacturing, n.e.c. or not specified	635	615	43	46	6.9%	7.4%
3365	Computer and peripheral equipment manufacturing	138	156	0	1	0.0%	0.6%
3370	Communications, and audio and video equipment manufacturing	99	108	4	4	3.5%	3.5%
3380	Navigational, measuring, electromedical, and control instruments manufacturing	158	163	4	4	2.4%	2.6%
3390	Electronic component and product manufacturing, n.e.c.	588	584	9	20	1.6%	3.4%
3470	Household appliance manufacturing	58	68	9	10	13.6%	15.1%
3490	Electrical lighting and electrical equipment manufacturing, and other electrica	302	301	18	19	5.9%	6.5%
3570	Motor vehicles and motor vehicle equipment manufacturing	1,163	1,310	185	194	14.2%	14.8%
3580	Aircraft and parts manufacturing	750	764	124	129	16.2%	16.9%
3590	Aerospace product and parts manufacturing	32	39	1	1	1.3%	1.3%
3670	Railroad rolling stock manufacturing	31	34	2	2	6.9%	6.9%
3680	Ship and boat building	190	171	31	36	18.3%	21.1%
3690	Other transportation equipment manufacturing	17	16	2	2	9.6%	9.6%
3770	Sawmills and wood preservation	142	122	10	10	8.4%	8.4%
3780	Veneer, plywood, and engineered wood products	30	29	1	1	4.9%	4.9%
3790	Prefabricated wood buildings and mobile homes	27	28	0	0	0.0%	0.0%
3875	Miscellaneous wood products	202	193	8	10	4.2%	5.0%
3895	Furniture and related product manufacturing	362	362	15	17	4.2%	4.7%
3960	Medical equipment and supplies manufacturing	617	652	13	17	2.0%	2.6%
3970	Sporting and athletic goods, and doll, toy and game manufacturing	88	87	3	3	3.2%	3.2%
3980	Miscellaneous manufacturing, n.e.c.	421	425	22	26	5.1%	6.2%
3990	Not specified manufacturing industries	236	280	24	25	8.8%	8.9%
	WHOLESALE TRADE	3,156	3,117	132	146	4.2%	4.7%
4070	Motor vehicles, parts and supplies, merchant wholesalers	133	135	1	1	0.5%	0.5%
4080	Furniture and home furnishing, merchant wholesalers	47	55	0	0	0.0%	0.0%
4090	Lumber and other construction materials, merchant wholesalers	159	148	6	7	4.3%	4.6%
4170	Professional and commercial equipment and supplies, merchant wholesalers	257	276	6	10	2.3%	3.7%
4180	Metals and minerals, except petroleum, merchant wholesalers	46	41	4	4	8.7%	8.7%
4195	Electrical and electronic goods, merchant wholesalers	157	156	7	7	4.5%	4.7%
4265	Hardware, plumbing and heating equipment, and supplies, merchant wholesalers	162	162	2	4	1.4%	2.4%
4270	Machinery, equipment, and supplies, merchant wholesalers	360	320	8	8	2.6%	2.6%
4280	Recyclable material, merchant wholesalers	67	70	4	4	5.9%	5.9%
4290	Miscellaneous durable goods, merchant wholesalers	67	59	0	0	0.0%	0.5%
4370	Paper and paper products, merchant wholesalers	42	42	0	0	0.0%	0.0%
4380	Drugs, sundries, and chemical and allied products, merchant wholesalers	211	225	6	6	2.7%	2.7%
4390	Apparel, piece goods, and notions, merchant wholesalers	61	69	1	1	1.1%	1.1%
4470	Groceries and related products, merchant wholesalers	758	789	69	73	8.7%	9.3%
4480	Farm product raw materials, merchant wholesalers	86	57	1	1	1.8%	1.8%
4490	Petroleum and petroleum products, merchant wholesalers	121	95	0	0	0.3%	0.3%
4560	Alcoholic beverages, merchant wholesalers	106	104	9	9	8.5%	8.5%
4570	Farm supplies, merchant wholesalers	43	28	0	0	0.0%	0.8%
4580	Miscellaneous nondurable goods, merchant wholesalers	173	173	3	3	1.9%	1.9%
4585	Wholesale electronics markets, agents and brokers	51	53	0	3	0.0%	5.0%
4590	Not specified wholesale trade	49	59	5	5	8.4%	8.4%
	RETAIL TRADE	14,442	14,392	667	741	4.6%	5.2%
4670	Automobile dealers	1,116	1,076	20	28	1.9%	2.6%
4680	Other motor vehicle dealers	150	140	0	0	0.1%	0.1%
4690	Auto parts, accessories, and tire stores	485	466	6	7	1.4%	1.5%
4770	Furniture and home furnishings stores	423	434	7	9	1.6%	2.1%
4780	Household appliance stores	36	38	0	2	1.0%	4.0%
4795	Electronics stores	384	420	12	12	2.8%	2.8%
4870	Building material and supplies dealers	1,129	1,099	26	33	2.4%	3.0%
4880	Hardware stores	208	179	0	1	0.1%	0.3%
4890	Lawn and garden equipment and supplies stores	322	271	5	5	1.7%	1.7%
4971	Supermarkets and other grocery (except convenience) stores	2,321	2,359	390	405	16.5%	17.2%
4972	Convenience Stores	340	333	16	16	4.9%	4.9%
4980	Specialty food stores	177	177	8	10	4.5%	5.9%
4990	Beer, wine, and liquor stores	113	121	6	6	5.2%	5.2%
5070	Pharmacies and drug stores	814	819	28	29	3.4%	3.6%
5080	Health and personal care, except drug, stores	325	354	5	5	1.3%	1.5%
5090	Gasoline stations	466	433	11	13	2.6%	3.0%
5170	Clothing stores	621	679	12	14	1.8%	2.1%
5180	Shoe stores	95	104	2	2	1.8%	1.8%
5190	Jewelry, luggage, and leather goods stores	105	102	0	2	0.5%	2.2%
5275	Sporting goods, camera, and hobby and toy stores	396	362	5	7	1.5%	1.8%
5280	Sewing, needlework and piece goods stores	33	25	0	0	0.0%	0.0%
5295	Musical instrument and supplies stores	32	33	0	0	0.0%	0.0%
5370	Book stores and news dealers	67	67	0	0	0.3%	0.3%
5381	Department stores	380	398	9	12	2.3%	3.1%
5391	General merchandise stores, including warehouse clubs and supercenters	2,008	1,933	66	86	3.4%	4.4%
5470	Florists	72	68	0	0	0.0%	0.0%
5480	Office supplies and stationery stores	92	79	0	0	0.0%	0.0%
5490	Used merchandise stores	170	158	0	0	0.0%	0.0%
5570	Gift, novelty, and souvenir shops	91	83	0	0	0.0%	0.0%
5580	Miscellaneous retail stores	428	414	4	4	0.9%	0.9%
5593	Electronic shopping and mail-order houses	544	660	8	9	1.2%	1.3%
5670	Vending machine operators	21	21	4	4	20.5%	20.5%
5680	Fuel dealers	106	83	1	1	0.7%	0.7%
5690	Other direct selling establishments	87	87	3	3	3.2%	3.2%
5790	Not specified retail trade	285	319	12	17	3.7%	5.3%
	TRANSPORTATION & WAREHOUSING	6,117	6,308	1,466	1,569	23.2%	24.9%
6070	Air transportation	552	577	229	238	39.6%	41.2%
6080	Rail transportation	244	198	128	129	64.8%	65.2%
6090	Water transportation	69	70	11	11	15.9%	15.9%
6170	Truck transportation	1,591	1,608	147	162	9.1%	10.1%
6180	Bus service and urban transit	354	383	182	189	47.5%	49.4%
6190	Taxi and limousine service	240	279	16	24	5.8%	8.6%
6270	Pipeline transportation	66	47	7	8	14.7%	16.3%
6280	Scenic and sightseeing transportation	28	19	1	3	4.0%	13.2%
6290	Services incidental to transportation	678	685	105	114	15.3%	16.7%
6370	Postal Service	685	613	379	409	61.8%	66.7%
6380	Couriers and messengers	942	1,034	209	225	20.2%	21.8%
6390	Warehousing and storage	668	794	52	58	6.6%	7.3%
	INFORMATION	2,283	2,312	228	253	9.9%	11.0%
6470	Newspaper publishers	142	118	7	7	5.8%	6.1%
6480	Periodical, book, and directory publishers	139	131	3	3	2.2%	2.2%
6490	Software publishers	79	92	0	0	0.0%	0.0%
6570	Motion pictures and video industries	227	265	40	43	15.1%	16.2%
6590	Sound recording industries	22	25	0	0	0.0%	0.0%
6670	Broadcasting (except internet)	423	403	32	36	8.0%	9.1%
6672	Internet publishing and broadcasting and web search portals	171	197	4	5	1.8%	2.5%
6680	Wired telecommunications carriers	411	420	67	73	15.9%	17.5%
6690	Telecommunications, except wired telecommunications carriers	345	360	45	49	12.4%	13.5%
6695	Data processing, hosting, and related services	95	96	1	3	1.4%	3.2%
6770	Libraries and archives	213	192	29	32	15.2%	16.9%
6780	Other information services, except libraries and archives, and internet publish	16	14	1	1	9.6%	9.6%
	FINANCE & INSURANCE	6,937	7,078	104	160	1.5%	2.3%
6870	Banking and related activities	2,111	2,079	21	42	1.0%	2.0%
6880	Savings institutions, including credit unions	337	300	8	8	2.7%	2.7%
6890	Non-depository credit and related activities	955	1,029	10	16	0.9%	1.5%
6970	Securities, commodities, funds, trusts, and other financial investments	1,061	1,148	18	30	1.5%	2.6%
6991	Insurance carriers	1,663	1,689	35	46	2.1%	2.7%
6992	Agencies, brokerages, and other insurance related activities	810	832	13	19	1.5%	2.3%
	REAL ESTATE & RENTAL & LEASING	2,174	2,199	99	119	4.5%	5.4%
7071	Lessors of real estate, and offices of real estate agents and brokers	1,451	1,489	58	75	3.9%	5.0%
7072	Real estate property managers, offices of real estate appraisers, and other act	433	420	30	31	7.2%	7.3%
7080	Automotive equipment rental and leasing	107	113	5	5	4.2%	4.7%
7181	Other consumer goods rental	80	81	0	0	0.0%	0.0%
7190	Commercial, industrial, and other intangible assets rental and leasing	103	96	5	8	5.6%	8.4%
	PROF., SCIENTIFIC, TECHNICAL SERVICES	10,109	10,431	179	261	1.7%	2.5%
7270	Legal services	1,307	1,249	28	36	2.2%	2.9%
7280	Accounting, tax preparation, bookkeeping and payroll services	907	905	11	13	1.2%	1.5%
7290	Architectural, engineering, and related services	1,605	1,589	55	75	3.5%	4.7%
7370	Specialized design services	193	223	5	6	2.0%	2.5%
7380	Computer systems design and related services	3,157	3,516	45	63	1.3%	1.8%
7390	Management, scientific and technical consulting services	1,205	1,234	9	20	0.7%	1.6%
7460	Scientific research and development services	666	621	17	27	2.7%	4.4%
7470	Advertising and related services	412	451	5	10	1.1%	2.2%
7480	Veterinary services	392	366	3	7	0.8%	1.8%
7490	Other professional, scientific and technical services	265	276	2	5	0.8%	1.7%
	MANAGEMENT & RELATED SERVICES	4,639	4,954	233	281	4.7%	5.7%
7570	Management of companies and enterprises	74	78	0	0	0.0%	0.0%
7580	Employment services	715	762	17	30	2.3%	4.0%
7590	Business support services	477	486	12	12	2.5%	2.5%
7670	Travel arrangements and reservation services	164	171	3	4	1.6%	2.1%
7680	Investigation and security services	640	684	58	68	8.4%	10.0%
7690	Services to buildings and dwellings (except cleaning during construction and im	1,045	1,159	66	81	5.7%	7.0%
7770	Landscaping services	763	850	22	26	2.6%	3.0%
7780	Other administrative and other support services	325	344	3	6	0.8%	1.7%
7790	Waste management and remediation services	436	419	53	54	12.5%	12.9%
	EDUCATIONAL SERVICES	13,753	12,978	4,089	4,555	31.5%	35.1%
7860	Elementary and secondary schools	9,199	8,598	3,514	3,887	40.9%	45.2%
7870	Colleges and universities, including junior colleges	3,905	3,751	530	615	14.1%	16.4%
7880	Business, technical, and trade schools and training	63	64	5	6	7.5%	9.6%
7890	Other schools and instruction, and educational support services	586	565	40	48	7.1%	8.4%
	HEALTH CARE & SOCIAL ASSISTANCE	20,046	19,487	1,677	1,947	8.6%	10.0%
7970	Offices of physicians	1,383	1,422	43	56	3.0%	4.0%
7980	Offices of dentists	762	741	23	30	3.1%	4.0%
7990	Office of chiropractors	108	94	0	0	0.0%	0.0%
8070	Offices of optometrists	127	114	9	10	7.9%	9.0%
8080	Offices of other health practitioners	172	174	10	15	5.5%	8.6%
8090	Outpatient care centers	1,951	1,862	96	124	5.2%	6.7%
8170	Home health care services	1,212	1,236	72	83	5.8%	6.7%
8180	Other health care services	1,403	1,415	82	105	5.8%	7.4%
8191	General medical and surgical hospitals, and specialty (except psychiatric and s	7,494	7,160	961	1,093	13.4%	15.3%
8192	Psychiatric and substance abuse hospitals	120	118	27	32	23.2%	27.0%
8270	Nursing care facilities (skilled nursing facilities)	1,544	1,490	99	116	6.7%	7.8%
8290	Residential care facilities, except skilled nursing facilities	989	951	35	42	3.7%	4.4%
8370	Individual and family services	1,576	1,580	176	188	11.1%	11.9%
8380	Community food and housing, and emergency services	153	139	7	9	4.7%	6.6%
8390	Vocational rehabilitation services	72	61	3	3	4.8%	4.8%
8470	Child day care services	980	929	34	40	3.6%	4.3%
	ARTS, ENTERTAINMENT, & RECREATION	2,094	2,085	128	149	6.1%	7.2%
8561	Performing arts companies	81	90	6	7	6.9%	8.1%
8562	Spectator sports	83	97	4	5	4.2%	5.6%
8563	Promoters of performing arts, sports, and similar events, agents and managers f	79	87	5	10	5.4%	11.3%
8564	Independent artists, writers, and performers	76	76	9	10	11.5%	13.6%
8570	Museums, art galleries, historical sites, and similar institutions	322	296	39	39	13.2%	13.3%
8580	Bowling centers	31	28	0	0	0.0%	0.0%
8590	Other amusement, gambling, and recreation industries	1,422	1,411	65	77	4.6%	5.5%
	ACCOMODATION & FOOD SERVICES	8,110	8,416	148	183	1.8%	2.2%
8660	Traveler accommodation	972	872	53	58	6.0%	6.7%
8670	Recreational vehicle parks and camps, and rooming and boarding houses, dormitor	60	46	0	1	0.0%	3.2%
8680	Restaurants and other food services	6,934	7,377	95	123	1.3%	1.7%
8690	Drinking places, alcoholic beverages	144	120	0	1	0.2%	0.5%
	OTHER SERVICES, EXC. PUBLIC ADMIN.	5,563	5,388	139	172	2.6%	3.2%
8770	Automotive repair and maintenance	873	880	20	28	2.3%	3.2%
8780	Car washes	124	143	4	4	2.7%	2.7%
8790	Electronic and precision equipment repair and maintenance	63	64	4	4	6.9%	6.9%
8870	Commercial and industrial machinery and equipment repair and maintenance	244	224	12	12	5.2%	5.2%
8891	Personal and household goods repair and maintenance	95	96	3	5	3.1%	5.7%
8970	Barber shops	48	58	0	0	0.0%	0.0%
8980	Beauty salons	443	469	2	7	0.5%	1.5%
8990	Nail salons and other personal care services	268	294	0	0	0.0%	0.0%
9070	Dry cleaning and laundry services	177	178	7	9	3.8%	4.9%
9080	Funeral homes, and cemeteries and crematories	111	100	2	2	1.6%	1.6%
9090	Other personal services	247	276	5	7	1.9%	2.5%
9160	Religious organizations	1,049	962	12	12	1.2%	1.3%
9170	Civic, social, advocacy organizations, and grantmaking and giving services	874	747	18	28	2.3%	3.7%
9180	Labor unions	66	59	44	47	75.2%	79.8%
9190	Business, professional, political, and similar organizations	225	163	3	3	2.0%	2.1%
9290	Private households	656	676	3	4	0.5%	0.5%
	PUBLIC ADMINISTRATION	8,443	7,500	2,277	2,503	30.4%	33.4%
9370	Executive offices and legislative bodies	1,303	1,117	258	283	23.1%	25.3%
9380	Public finance activities	369	325	72	93	22.2%	28.7%
9390	Other general government and support	189	173	37	43	21.6%	24.7%
9470	Justice, public order, and safety activities	2,853	2,758	1,193	1,262	43.3%	45.7%
9480	Administration of human resource programs	1,320	1,184	334	368	28.2%	31.1%
9490	Administration of environmental quality and housing programs	382	289	64	76	22.2%	26.3%
9570	Administration of economic programs and space research	840	682	163	184	24.0%	27.0%
9590	National security and international affairs	1,187	972	155	194	15.9%	20.0%
Copyright 2025 by Barry T. Hirsch, David A. Macpherson, and William E. Even.  The use of this data requires citation.