| sparse | a thinly scattered population |
| a dense population | ten thousand About depopulate |
| the ever-increasing population | a burgeoning population |
| Singapore depopulate research | Endowment insurance Depopulate study research |
| Developing country of population policy | Developed country of population policy |
| population as a factor of social development | Effluent of Population adequation |
| megalopolis | Strategy regulate Apparent angle of Population development administer |
| China travel Population research Heng China travel Passenger source market Depopulate study analyze | China travel Population research China travel Passenger source market Depopulate study analyze |
|