Population collapse.
Westworld Season 3, Episode 8
...based on the number of mailboxes and
given typical urban POPULATION density...
The Big Bang Theory Season 2, Episode 15
...which is roughly the POPULATION
of the Southwest...
Breaking Bad Season 5, Episode 8
if only
half the POPULATION is fighting.
Game of Thrones Season 7, Episode 1
The POPULATION of King's Landing.
Game of Thrones Season 3, Episode 7