Board Thread:Wiki Discussions and Support/@comment-5090714-20150427053956/@comment-25632268-20150427084640

QuakingStar wrote: But in the 4th War it was confirmed he was still alive... he might be dead after that though.

If I remember correctly, Edo Tensei Kakuzu commented that Hidan may be still alive because he wasn't resurrected. It may be correct or Kabuto simply could not find him (said it himself that there were some individuals he wanted to resurrect, but couldn't get their DNA).