system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How are life expectancies calculated?

I’m for example 32 living in the Netherlands. The average life expectancy is 81.7 years; does that number make any attempt to estimate medical advances during my lifetime?
gpt
No, it does not.

Life expectancy at birth uses the current mortality rates *now*, i.e. % chance of dying as a 0-yo in 2021, % chance of dying as 1-yo in 2021, ... 

Thus it does not apply directly to any generation: if you're 32 today, the relevant information is life expectancy at 32 (i.e. not taking into account mortality before 32, since you did not die!) for your generation: % chance of dying at 32 today, % chance of dying at 33 next year...