Response options: A village, hamlet or rural area (fewer than 3 000 people), A small town (3 000 to about 15 000 people), A town (15 000 to about 100 000 people), A city (100 000 to about 1 000 000 people), A large city (1 000 000 to about 10 000 000 people), A megacity (with over 10 000 000 people), Valid Skip, Not Applicable, Invalid, No Response
