Copyright 2010 Oxford University Press. This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Social Science Japan Journal. The definitive publisher-authenticated version, Who cares about care work in Japan?, Social Science Japan Journal, Vol. 13(1), 2010, pp. 137-141 is available online at: http://dx.doi.org/10.1093/ssjj/jyq002.