Japanese Names (P.G. O'Neill):
6
Kodansha Kanji Dictionary (Jack Halpern, 2013):
4156
Morohashi Daikanwajiten (Volume 2, page 0164):
1737
New Japanese-English Character Dictionary (Jack Halpern, 1990):
3349
The Modern Reader's Japanese-English Character Dictionary (Andrew Nelson):
653
The New Nelson Japanese-English Character Dictionary (John Haig):
432