Kodansha Kanji Dictionary (Jack Halpern, 2013):
4381
Morohashi Daikanwajiten (Volume 1, page 1065):
1436
New Japanese-English Character Dictionary (Jack Halpern, 1990):
3564
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
44
The New Nelson Japanese-English Character Dictionary (John Haig):
368