Although L.A. might be like the Walking Dead. You may have to turn the mansion into a fort.
Related to your graphic.....flashback, from 2018....
https://fromthetrenchesworldreport.com/deagel-makes-mysterious-changes-to-2025-population-forecast-for-america-as-bill-gates-launches-grand-challenge-the-holy-grail-of-influenza-research-and-bridging-the-valley-of-death/225101
Maybe they will wall off the 200M on the West Coast, 199M of whom are homeless.