IIRC your typical drow only lives like 200 years, if their lucky enough to make it that long.
How is it calculated? Is there hard limit on commoner's lifespan, or is it statistical average, and the lucky commoner who always finds food, dodges demons and avoids being collateral damage in clan wars can live as long as Empress Diva?
... Honestly, there really isn't really any "good" about living in drow society, not compared with the modern first world anyway. Sure they have somethings we don't... If you luck into them, and can afforded them when you do, and don't mind the lose of everything else we have... Or just the sense of smell killing stench of their cities...
For relative measure of suckiness of Drow life, I found this unique megathread on Space Battles forum.https://forums.spacebattles.com
This is the ultimate comparison of fantastic countries/groups/governments I ever found. Warning: it is massive, reading it will cost you large part of your life, if you have one.
Here the spacebattlers compared nearly all known and imaginable kingdoms, empires , states and societies from all kinds of fantasy/SF/comics/games/parody works, and sorted them on scale from A to Z as for quality of life. The Culture https://en.wikipedia.org/wiki/The_Culture
from works of Iain Banks gets A
, and Z is for hell-places of eternal pain and torture
The final rating list is here:https://forums.spacebattles.com/threads/force-chart-of-niceness-part-tres.202548/page-8
and the rating is: Chel'el'sussoloth Drow (Drowtales): J
the debate about rating is here: https://forums.spacebattles.com/threads/force-chart-of-niceness-conquest.105383/page-38
For comparison: J rated are Bene Gesserit from Dune universe, Cetagandan Empire from Vorkosigan universe, Cylons from Battlestar Galactica universe, Ferengi alliance and Romulan Star Empire from Star Trek universe, Latveria from Marvel Comics universe, United Citizen Federation from Starship Troopers movie.
For another comparison, the original DnD Drow are rated M.
This is the same rating as Death Eaters from Harry Potter universe, Empire of Azad from Culture universe, Fire Nation from Avatar universe, Final Society Draka from Draka universe, Goa'uld System Lords from Stargate universe, House Lannister from ASoIaF, Kzinti from Known Space universe, Norsefire from V for Vendetta.