Kodansha Kanji Dictionary (Jack Halpern, 2013):
4166
Morohashi Daikanwajiten (Volume 2, page 0643):
2890
New Japanese-English Character Dictionary (Jack Halpern, 1990):
3359
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
814
The New Nelson Japanese-English Character Dictionary (John Haig):
645