The Jewish funeral [I attended] was more about coming from dust, returning to dust and didn't have any talk of afterlife.
Some Buddhist traditions borrow from provincial reincarnation traditions, which fuels apathy towards the poor and suffering in some countries (e.g. if you weren't such a dick in a previous life you wouldn't be suffering in this one. )
But Pope Francis says only God knows what it is and how it works, and who gets the backstage pass.
Assuming Memento Mori compassion and kindness is the order of the day, otherwise life's a bitch and then you die. All we can do is help to make our moment with each other a little bit better. Remember everyone else os having a fucked up time of it too.