Table 2 Settlement classes, their population thresholds and characteristics.

From: A suite of global accessibility indicators

Settlement class

Minimum population threshold (>=)

Maximum population threshold (<)

Number of settlements in 2015

Sum of population in 2015 in these settlements

Source of settlement data

1

5,000,000

50,000,000

79

941,207,809

HDC

2

1,000,000

5,000,000

421

851,153,118

HDC

3

500,000

1,000,000

581

400,180,511

HDC

4

200,000

500,000

2,096

630,823,940

HDC

5

100,000

200,000

3,694

515,557,120

HDC

6

50,000

100,000

6,973

484,166,417

HDC

7

20,000

50,000

20,457

628,095,955

LDC

8

10,000

20,000

29,286

410,631,333

LDC

9

5,000

10,000

45,795

322,797,326

LDC