Internal Revenue Service Staff
(employees at close of year)

Fiscal Year
Service Total
Permanent
Temporary
Revenue
Officers
Revenue
Agents
Criminal
Investigators
1980
86,470
70,980
15,490
5,469
13,581
2,782
1981
85,672
70,069
15,603
5,342
13,492
2,730
1982
83,835
77,864
5,971
6,522
13,313
2,638
1983
90,108
81,539
8,569
7,684
13,318
2,717
1984
95,749
90,248
5,501
7,492
14,167
2,867
1985
96,705
92,629
4,076
7,362
13,666
2,860
1986
102,206
97,579
4,627
7,359
14,507
2,752
1987
114,018
107,968
6,050
7,470
16,109
2,823
1988
123,198
119,284
3,914
8,412
17,323
3,018
1989
113,622
111,980
1,642
7,960
16,323
2,943
1990
116,425
114,494
1,931
7,460
15,350
2,794
1991
119,213
117,287
1,926
8,377
16,377
2,884
1992
114,819
113,028
1,791
7,916
15,894
2,976
1993
110,680
109,133
1,547
7,613
15,567
3,147
1994
109,505
108,215
1,290
7,916
15,409
3,199
1995
114,064
96,787
17,276
8,139
16,078
3,363
1996
102,082
91,832
10,250
7,510
15,199
3,352
1997
97,404
87,101
10,303
7,230
14,542
3,167
1998
97,375
84,317
13,058
6,664
13,491
2,978
1999
97,526
82,350
15,176
6,399
13,022
2,849
2000
96,092
81,428
14,664
6,028
12,828
2,746
2001
99,893
82,632
17,261
5,879
12,371
2,820
2002
97,914
83,535
14,379
5,347
11,816
2,907
2003
94,638
82,495
12,143
5,004
11,513
2,805
2004
94,575
82,599
11,976
5,244
12,255
2,795
2005 90,453 78,881 11,572 5,616 12,649 2,823
2006 90,115 80,288 9,827 5,961 13,407* 2,799
* Revenue Agent growth in last five years has been solely at
the lowest grades and appears to be largely offset by
declines in Tax Technicians during the same period.

Source: IRS Annual Reports and Data Books.
Note that the Office of Personnel Management reports slightly different figures for the number of IRS employees.
For FY 2006, for example, OPM reports 95,620 employees, 5,849 revenue officers, 12,766 revenue agents, and 2,805 criminal investigators.



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