Table 2.

Population development in different city sizes (UNDESA 2018)

Region	City size	Percentage of urban			Total population (million)
		2000	2020	2030	2000	2020	2030
South Asia	< 300,000	47%	42%	39%	199	298	350
	300,000–1 million	13%	13%	13%	56	90	119
	> 1 million	40%	42%	47%	167	321	421
Sub-Saharan Africa	< 300,000	52%	48%	42%	105	219	289
	300,000–1 million	17%	15%	15%	32	71	101
	> 1 million	31%	37%	43%	65	169	276