Kodansha Kanji Dictionary (Jack Halpern, 2013):
1661
Morohashi Daikanwajiten (Volume 9, page 0176):
28910
New Japanese-English Character Dictionary (Jack Halpern, 1990):
1310
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
3693
The New Nelson Japanese-English Character Dictionary (John Haig):
4708