Kodansha Kanji Dictionary (Jack Halpern, 2013):
3540
Morohashi Daikanwajiten (Volume 10, page 0119):
33890
New Japanese-English Character Dictionary (Jack Halpern, 1990):
2820
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
2096
The New Nelson Japanese-English Character Dictionary (John Haig):
5410