Kanji Learners Dictionary (Jack Halpern, 2 edition, 2013):
2730
Kodansha Kanji Dictionary (Jack Halpern, 2013):
3926
Morohashi Daikanwajiten (Volume 3, page 0103):
4834
New Japanese-English Character Dictionary (Jack Halpern, 1990):
3164
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
1049
The New Nelson Japanese-English Character Dictionary (John Haig):
964