Kanji & Kana (Spahn & Hadamitzky):
2108
Kanji Learners Dictionary (Jack Halpern, 2 edition, 2013):
506
Kodansha Kanji Dictionary (Jack Halpern, 2013):
669
Morohashi Daikanwajiten (Volume 2, page 1083):
3913
Remembering The Kanji (James Heisig):
2164
Remembering The Kanji (James Heisig, 6 edition):
1768
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
960
The New Nelson Japanese-English Character Dictionary (John Haig):
854