Spoiler (Topic Inside)

[David3]

Death Status Spolier.

Some characters were left in limbo. According to spoilers here is their status:
Spoiler

Michael - Dead
Jin - Alive
Claire - ???, but will not be back until season 6
Those who moved with the island - Alive
Faraday and the Zodiac redshirts - Alive
Keamy - dead, but might return for an episode next season.

[Stephen]

What's your source?

[David3]

What's your source?

Sources given in spoiler box.
Spoiler

Michael - Dead (Not a spoiler, Harold said he's dead)
Jin - Alive (eonline)
Claire - ???, but will not be back until season 6 (eonline)
Those who moved with the island - Alive (assumption, I saw an interview with Rebecca Mader where she said she was back on the show for next season and she was on the island when it moved.)
Faraday and the Zodiac redshirts - Alive (read somewhere, but can't remember where)
Keamy - dead, but might return for an episode next season. (not a spoiler, but a rumor found on darkufo)