Revised 24 May 2019


This classification takes into account the different scales of settlements. The logarithmic division of scale is based upon the population occupying a distinct settlement or homogeneous parts of the settlement. There are 15 Ekistic units: 


Table 1: Ekistic Units


Unit Number

Ekistic Unit

Population

1

Man

1

2

Room

2

3

Dwelling

4

4

Dwelling group

40

5

Small neighbourhood

250

6

Neighbourhood

1,500T

7

Small town

9,000

8

Town

50,000

9

Large city

300,000

10

Metropolis

3,000,000

11

Conurbation

14,000,000

12

Megalopolis

100,000,000

13

Urban region

700,000,000

14

Urbanised continent

5,000,000,00

15

Ecumenopolis

30,000,000,000