Kodansha Kanji Dictionary (Jack Halpern, 2013):
2069
Morohashi Daikanwajiten (Volume 10, page 0586):
35958
New Japanese-English Character Dictionary (Jack Halpern, 1990):
1638
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
4436
The New Nelson Japanese-English Character Dictionary (John Haig):
5702