Kanji Learners Dictionary (Jack Halpern, 2 edition, 2013):
2518
Kodansha Kanji Dictionary (Jack Halpern, 2013):
3607
Morohashi Daikanwajiten:
12800
New Japanese-English Character Dictionary (Jack Halpern, 1990):
2900
The New Nelson Japanese-English Character Dictionary (John Haig):
2287