Kanji Learners Dictionary (Jack Halpern, 2 edition, 2013):
1900
Kodansha Kanji Dictionary (Jack Halpern, 2013):
2752
Morohashi Daikanwajiten (Volume 7, page 0376):
18872
Remembering The Kanji (James Heisig):
2538
Remembering The Kanji (James Heisig, 6 edition):
2598
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
2747
The New Nelson Japanese-English Character Dictionary (John Haig):
3399