Kanji Learners Dictionary (Jack Halpern, 2 edition, 2013):
709
Kodansha Kanji Dictionary (Jack Halpern, 2013):
976
Morohashi Daikanwajiten (Volume 7, page 0318):
18504
Remembering The Kanji (James Heisig):
2329
Remembering The Kanji (James Heisig, 6 edition):
2419
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
2723
The New Nelson Japanese-English Character Dictionary (John Haig):
3365