Graphs have been prepared using historical data on licensing since December 1999. The horizontal scales are in months, with scale markings by calendar year quarter. The vertical scales are in thousands of licensees between the maximum and minimum range during the period.
The table below shows the total number of Amateur licensed by the FCC by year thru the period ending April 2008. Click on the heading to link to graphs for each class of license.
| Year | Ending Month |
Extra | Advanced | General | Tech | Novice | Total |
| 2008 | May | 113,805 | 63,561 | 143,279 | 318,251 | 19,376 | 658,272 |
| 2007 | Dec | 112,022 | 65,368 | 142,680 | 315,314 | 20,458 | 655,842 |
| 2006 | Dec | 108,223 | 69,915 | 131,224 | 323,073 | 23,633 | 656,068 |
| 2005 | Dec | 107,440 | 74,221 | 135,067 | 319,125 | 26,747 | 662,600 |
| 2004 | Dec | 106,090 | 77,948 | 138,292 | 319,742 | 29,765 | 671,837 |
| 2003 | Dec | 104,894 | 82,034 | 141,498 | 322,821 | 32,812 | 684,059 |
| 2002 | Dec | 103,257 | 84,326 | 139,848 | 321,805 | 36,072 | 685,308 |
| 2001 | Dec | 97,977 | 86,545 | 138,625 | 319,735 | 40,155 | 683,037 |
| 2000 | Dec | 93,807 | 88,783 | 134,144 | 319,874 | 45,632 | 682,240 |
| 1999 | Dec | 75,392 | 103,471 | 110,386 | 335,768 | 52,375 | 677,392 |