| Answer | Crossword Clue |
|---|---|
| SLUMS | Nearly a billion people live in them |
| vacua | state of isolation from outside influences people who live in a vacuumàso that the world outside them is of no moment W. S. Maugham |
| vacuums | state of isolation from outside influences people who live in a vacuumàso that the world outside them is of no moment W. S. Maugham |
| GLASSHOUSES | People who live in them shouldn't be stone throwers, so it is said |
| ORIENT | A billion people live here. |
| CHINA | Where more than a billion people live |
