Kodansha Kanji Dictionary (Jack Halpern, 2013):
2095
Morohashi Daikanwajiten (Volume 10, page 1070):
38588
New Japanese-English Character Dictionary (Jack Halpern, 1990):
1662
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
4644
The New Nelson Japanese-English Character Dictionary (John Haig):
5993