Kodansha Kanji Dictionary (Jack Halpern, 2013):
3567
Morohashi Daikanwajiten (Volume 9, page 0132):
28796
New Japanese-English Character Dictionary (Jack Halpern, 1990):
2874
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
3679
The New Nelson Japanese-English Character Dictionary (John Haig):
4691