Kodansha Kanji Dictionary (Jack Halpern, 2013):
3957
Morohashi Daikanwajiten (Volume 11, page 0001):
38703
New Japanese-English Character Dictionary (Jack Halpern, 1990):
3191
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
4659
The New Nelson Japanese-English Character Dictionary (John Haig):
6009