Kodansha Kanji Dictionary (Jack Halpern, 2013):
1815
Morohashi Daikanwajiten (Volume 8, page 1209):
28042
New Japanese-English Character Dictionary (Jack Halpern, 1990):
1433
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
3623
The New Nelson Japanese-English Character Dictionary (John Haig):
4611