None.

An astronaut is hurt in an accident, we see a bloody wound and then blood bubbling around the character in zero gravity.

At the scene of an accident the protagonist finds a dying man and almost dies.

Mild language. Nothing serious whatsoever except for one F-bomb near the end.

The protagonist is seen drinking alcohol multiple times at the beginning of the film

At the beginning a character is shown drunk and drinking.

The bleak premise has Earth becoming uninhabitable and humans either leaving on spaceships or barely surviving in a hostile environment. There are a few tense scenes with characters in danger, being hurt and even killed (some bloody wounds, no graphic violence).

At the beginning of the movie the protagonist stays behind when mankind is leaving Earth. He is implied to have a terminal illness, for which he takes medicines, and we see his health degenerate throughout the film.

At the beginning of the film, a little girl is implied to have been mistakenly left behind when her family left Earth. She is visibly traumatized, unable to speak to the protagonist.