Kanji Learners Dictionary (Jack Halpern, 2 edition, 2013):
1687
Kodansha Kanji Dictionary (Jack Halpern, 2013):
2410
Morohashi Daikanwajiten (Volume 7, page 0757):
20775
New Japanese-English Character Dictionary (Jack Halpern, 1990):
1915
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
2914
The New Nelson Japanese-English Character Dictionary (John Haig):
3612