Kanji Learners Dictionary (Jack Halpern, 2 edition, 2013):
1600
Kodansha Kanji Dictionary (Jack Halpern, 2013):
2265
Morohashi Daikanwajiten (Volume 12, page 1112):
48818
New Japanese-English Character Dictionary (Jack Halpern, 1990):
1801
Remembering The Kanji (James Heisig):
2981
Remembering The Kanji (James Heisig, 6 edition):
2985
The New Nelson Japanese-English Character Dictionary (John Haig):
7103