Let me describe a typical mid-career Silicon Valley salaried tech worker scenario. YMMV of course.
Base comp 200K
Bonus, stock, 401k match 50K
Total gross comp 250K
Expenses:
Taxes 40% (30% fed, 10% state) 100K
Rental housing 40K ($3300/month)
Food 15K
Transportation 15K
Discretionary spending 20K
Total expenses 190K
As a result, you can comfortably save $60K per year. Of course, kids and housing options will add greatly to your spend.