Statistics of level 1 packages for Arabic in vcs:
Read http://d-i.debian.org/l10n-stats

Outdated:
    packages/po/sublevel1/ar.po: 497t0f1u [Muhammad Bahaa]
    packages/po/sublevel2/ar.po: 544t2f0u [Der Marschall]
    packages/po/sublevel3/ar.po: 711t11f12u [Der Marschall]
    packages/po/sublevel5/ar.po: 53t0f2u [Der Marschall]

Translated:
  packages/po/sublevel4/ar.po 87t [Der Marschall]

Missing files:


Global statistics: 1892t13f15u (98%)     (total strings: 1920=100%)
(From all ar.po files)