Kodansha Kanji Dictionary (Jack Halpern, 2013):
2302
Morohashi Daikanwajiten (Volume 12, page 0577):
45175
New Japanese-English Character Dictionary (Jack Halpern, 1990):
1830
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
5239
The New Nelson Japanese-English Character Dictionary (John Haig):
6788