Low income

Middle income

High income

Mostly tenants

Both tenants and owners

Occupants own house

Low population density

Middle population density

High population density

Unreliable electricity

Unreliable electricity sometimes

Reliable electricity

Poor community layout

Normal community layout

Good community layout

Poor water supply

Unreliable water supply

Potable water supply

Poor security

Moderate security

High level security

Poor road and drainage systems

Average road and drainage systems

Good road and drainage systems