Table 2

Demographic information of nine sub-Saharan countries

	Population size	Average life expectancy	GDP per capita $ PPP (2018)	Human Development Index (2018)	GHSI (2019)	% population urban (2018)
Ghana	31 072 940	63.2	4747	0.596	35.5	56.1
Nigeria	206 139 589	58.5	5991	0.534	19.9	50.3
Sierra Leone	7 976 983	54.3	1602	0.438	38.2	42.1
South Africa	59 308 690	57.4	13 687	0.705	33	66.4
Sudan	43 849 260	62.4	4768	0.507	14.3	34.6
Tanzania	59 734 218	65.0	3240	0.528	36.4	33.8
Uganda	45 741 007	63.0	2038	0.528	44.3	23.8
Zambia	18 383 955	63.5	4224	0.591	28.7	43.5
Zimbabwe	14 862 924	51.1	3030	0.563	38.2	32.2
Sub-Saharan Africa	1078 million	61.2	3988	0.541	n/a	40.2
World	7792 million	72.6	17 948	0.731	n/a	55.3

World Bank Database (https://data.worldbank.org/), United Nations Development Programme (UNDP) (http://hdr.undp.org/en/data) and the Global Health Security Index (GHSI) (https://www.ghsindex.org/).24–26