Kanji Learners Dictionary (Jack Halpern, 2 edition, 2013):
688
Kodansha Kanji Dictionary (Jack Halpern, 2013):
940
Morohashi Daikanwajiten (Volume 10, page 0159):
34074
New Japanese-English Character Dictionary (Jack Halpern, 1990):
762
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
1640
The New Nelson Japanese-English Character Dictionary (John Haig):
1777