Kanji Learners Dictionary (Jack Halpern, 2 edition, 2013):
500
Kodansha Kanji Dictionary (Jack Halpern, 2013):
663
Morohashi Daikanwajiten (Volume 11, page 0910):
41707
New Japanese-English Character Dictionary (Jack Halpern, 1990):
548
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
4995
The New Nelson Japanese-English Character Dictionary (John Haig):
6451