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

Outdated:
    packages/po/sublevel1/ar.po: 486t0f11u [Maytham]
    packages/po/sublevel2/ar.po: 544t2f0u [Ahmed Saleh]
    packages/po/sublevel3/ar.po: 713t1f0u [Fahim Sabah]
    packages/po/sublevel4/ar.po: 66t13f8u [Fahim Sabah]
    packages/po/sublevel5/ar.po: 52t2f0u [Khaled Mahmoud]

Translated:

Missing files:


Global statistics: 1861t18f19u (98%)     (total strings: 1898=100%)
(From all ar.po files)