Statistics of level 3 packages for Japanese in testing:
Read http://d-i.debian.org/l10n-stats

Outdated:

Translated:
  newt/*/po/ja.po 4t [Tomohiro KUBOTA]
  debconf/*/debian/po/ja.po 17t [ Kenshi Muto]

Missing files:


Global statistics: 21t0f0u (100%)     (total strings: 21=100%)
(From all ja.po files)