Kodansha Kanji Dictionary (Jack Halpern, 2013):
4077
Morohashi Daikanwajiten (Volume 7, page 1202):
22520
New Japanese-English Character Dictionary (Jack Halpern, 1990):
3287
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
3077
The New Nelson Japanese-English Character Dictionary (John Haig):
3841