Kodansha Kanji Dictionary (Jack Halpern, 2013):
2656
Morohashi Daikanwajiten (Volume 7, page 0582):
19734
Remembering The Kanji (James Heisig):
2334
Remembering The Kanji (James Heisig, 6 edition):
2423
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
2835
The New Nelson Japanese-English Character Dictionary (John Haig):
3517