| Coverage (%) |
| All |
11.6% |
12.1% |
11.6% |
11.3% |
11.2% |
11.1% |
11.2% |
0.2 |
−0.3 |
| Private sector |
7.1% |
7.2% |
7.0% |
6.8% |
6.8% |
6.7% |
6.8% |
0.1 |
−0.3 |
| Public sector |
37.2% |
38.4% |
37.6% |
36.8% |
36.0% |
35.7% |
36.4% |
0.6 |
−0.8 |
| Federal |
30.5% |
30.0% |
29.1% |
28.2% |
29.0% |
29.9% |
31.1% |
1.2 |
0.6 |
| Federal except U.S. Postal Service |
23.4% |
23.0% |
22.1% |
21.4% |
22.8% |
23.2% |
22.9% |
−0.4 |
−0.5 |
| U.S. Postal Service |
65.6% |
67.1% |
64.1% |
64.5% |
64.3% |
67.7% |
71.9% |
4.2 |
6.3 |
| State and local |
38.7% |
40.3% |
39.5% |
38.7% |
37.6% |
37.1% |
37.6% |
0.5 |
−1.1 |
| State |
32.3% |
33.7% |
33.1% |
33.2% |
32.0% |
31.4% |
32.7% |
1.3 |
0.4 |
| Local |
43.0% |
45.1% |
43.9% |
42.7% |
41.8% |
41.4% |
41.4% |
0.0 |
−1.6 |
| Membership (%) |
| All |
10.3% |
10.8% |
10.3% |
10.1% |
10.0% |
9.9% |
10.0% |
0.1 |
−0.3 |
| Private sector |
6.2% |
6.3% |
6.1% |
6.0% |
6.0% |
5.9% |
5.9% |
0.0 |
−0.3 |
| Public sector |
33.6% |
34.8% |
33.9% |
33.2% |
32.5% |
32.2% |
32.9% |
0.8 |
−0.7 |
| Federal |
25.6% |
26.0% |
24.9% |
24.4% |
25.1% |
25.3% |
27.2% |
1.8 |
1.5 |
| Federal except U.S. Postal Service |
18.6% |
19.3% |
18.2% |
17.5% |
18.9% |
18.5% |
18.9% |
0.4 |
0.3 |
| U.S. Postal Service |
60.7% |
62.2% |
58.8% |
61.3% |
59.9% |
63.9% |
68.3% |
4.4 |
7.6 |
| State and local |
35.3% |
36.8% |
35.9% |
35.2% |
34.2% |
33.8% |
34.3% |
0.5 |
−1.1 |
| State |
29.4% |
29.9% |
29.6% |
30.0% |
28.6% |
27.9% |
29.6% |
1.8 |
0.3 |
| Local |
39.4% |
41.8% |
40.2% |
38.8% |
38.4% |
38.2% |
37.8% |
−0.3 |
−1.6 |
| Coverage |
| All |
16,375,000 |
15,936,000 |
15,795,000 |
15,996,000 |
16,186,000 |
16,015,000 |
16,478,000 |
463,000 |
103,000 |
| Private sector |
8,562,000 |
8,021,000 |
8,050,000 |
8,164,000 |
8,424,000 |
8,215,000 |
8,440,000 |
225,000 |
−122,000 |
| Public sector |
7,813,000 |
7,915,000 |
7,745,000 |
7,832,000 |
7,763,000 |
7,800,000 |
8,039,000 |
239,000 |
226,000 |
| Federal |
1,156,000 |
1,165,000 |
1,109,000 |
1,123,000 |
1,193,000 |
1,247,000 |
1,284,000 |
36,000 |
128,000 |
| Federal except U.S. Postal Service |
738,000 |
756,000 |
705,000 |
719,000 |
795,000 |
824,000 |
787,000 |
−37,000 |
48,000 |
| U.S. Postal Service |
417,000 |
409,000 |
403,000 |
404,000 |
398,000 |
424,000 |
497,000 |
73,000 |
80,000 |
| State and local |
6,657,000 |
6,750,000 |
6,637,000 |
6,710,000 |
6,569,000 |
6,552,000 |
6,755,000 |
202,000 |
98,000 |
| State |
2,249,000 |
2,347,000 |
2,272,000 |
2,373,000 |
2,375,000 |
2,361,000 |
2,544,000 |
183,000 |
295,000 |
| Local |
4,409,000 |
4,403,000 |
4,364,000 |
4,337,000 |
4,194,000 |
4,191,000 |
4,211,000 |
20,000 |
−198,000 |
| Membership |
| All |
14,567,000 |
14,250,000 |
14,004,000 |
14,280,000 |
14,415,000 |
14,245,000 |
14,657,000 |
411,000 |
90,000 |
| Private sector |
7,508,000 |
7,082,000 |
7,026,000 |
7,219,000 |
7,408,000 |
7,229,000 |
7,381,000 |
152,000 |
−127,000 |
| Public sector |
7,059,000 |
7,168,000 |
6,978,000 |
7,061,000 |
7,007,000 |
7,017,000 |
7,276,000 |
260,000 |
218,000 |
| Federal |
972,000 |
1,012,000 |
950,000 |
970,000 |
1,032,000 |
1,056,000 |
1,121,000 |
66,000 |
149,000 |
| Federal except U.S. Postal Service |
586,000 |
634,000 |
581,000 |
587,000 |
661,000 |
656,000 |
649,000 |
−7,000 |
64,000 |
| U.S. Postal Service |
386,000 |
379,000 |
370,000 |
384,000 |
371,000 |
399,000 |
472,000 |
73,000 |
86,000 |
| State and local |
6,087,000 |
6,156,000 |
6,027,000 |
6,091,000 |
5,975,000 |
5,961,000 |
6,155,000 |
194,000 |
68,000 |
| State |
2,043,000 |
2,083,000 |
2,032,000 |
2,144,000 |
2,121,000 |
2,094,000 |
2,304,000 |
211,000 |
262,000 |
| Local |
4,044,000 |
4,073,000 |
3,996,000 |
3,947,000 |
3,855,000 |
3,867,000 |
3,851,000 |
−17,000 |
−194,000 |
| Total employment |
| All |
141,766,000 |
132,205,000 |
136,421,000 |
141,698,000 |
144,567,000 |
144,543,000 |
146,687,000 |
2,144,000 |
4,920,000 |
| Private sector |
120,755,000 |
111,587,000 |
115,807,000 |
120,400,000 |
122,994,000 |
122,722,000 |
124,598,000 |
1,875,000 |
3,842,000 |
| Public sector |
21,011,000 |
20,618,000 |
20,613,000 |
21,298,000 |
21,573,000 |
21,821,000 |
22,089,000 |
268,000 |
1,078,000 |
| Federal |
3,792,000 |
3,888,000 |
3,814,000 |
3,982,000 |
4,109,000 |
4,169,000 |
4,128,000 |
−41,000 |
335,000 |
| Federal except U.S. Postal Service |
3,156,000 |
3,279,000 |
3,185,000 |
3,356,000 |
3,490,000 |
3,543,000 |
3,436,000 |
−107,000 |
280,000 |
| U.S. Postal Service |
636,000 |
609,000 |
629,000 |
626,000 |
619,000 |
626,000 |
691,000 |
66,000 |
55,000 |
| State and local |
17,219,000 |
16,730,000 |
16,799,000 |
17,317,000 |
17,464,000 |
17,652,000 |
17,962,000 |
310,000 |
742,000 |
| State |
6,956,000 |
6,975,000 |
6,862,000 |
7,156,000 |
7,419,000 |
7,517,000 |
7,781,000 |
264,000 |
825,000 |
| Local |
10,263,000 |
9,754,000 |
9,937,000 |
10,161,000 |
10,045,000 |
10,135,000 |
10,181,000 |
46,000 |
−83,000 |
| Sample size |
| All |
154,727 |
133,671 |
134,177 |
129,714 |
125,755 |
125,586 |
109,539 |
|
|
| Private sector |
129,865 |
111,050 |
112,246 |
108,688 |
105,475 |
105,239 |
91,710 |
|
|
| Public sector |
24,862 |
22,621 |
21,931 |
21,026 |
20,280 |
20,347 |
17,829 |
|
|
| Federal |
4,812 |
4,703 |
4,478 |
4,367 |
4,224 |
4,269 |
3,564 |
|
|
| Federal except U.S. Postal Service |
4,093 |
4,021 |
3,833 |
3,772 |
3,665 |
3,719 |
3,063 |
|
|
| U.S. Postal Service |
719 |
682 |
645 |
595 |
559 |
550 |
501 |
|
|
| State and local |
20,050 |
17,918 |
17,453 |
16,659 |
16,056 |
16,078 |
14,265 |
|
|
| State |
8,652 |
7,969 |
7,681 |
7,389 |
7,314 |
7,349 |
6,587 |
|
|
| Local |
11,398 |
9,949 |
9,772 |
9,270 |
8,742 |
8,729 |
7,678 |
|
|