Table 3. Number of data points that met the study inclusion criteria for the WHO 2016 prevalence estimates of chlamydia, gonorrhoea and trichomoniasis.

Estimation region	No. of countries, territories and areas	Chlamydia						Gonorrhoea						Trichomoniasis
		Women			Men			Women			Men			Women			Men
		No. of data points	No. of countries		No. of data points	No. of countries		No. of data points	No. of countries		No. of data points	No. of countries		No. of data points	No. of countries		No. of data points	No. of countries
Central, eastern and western sub-Saharan Africa	41	16	7		2	2		15	7		2	2		21	9		1	1
Southern sub-Saharan Africa	6	7	4		1	1		6	3		1	1		6	3		1	1
Andean, central, southern and tropical Latin America and Caribbean	42	25	8		2	2		14	6		2	2		16	5		1	1
High-income North America	2	NA	NA		NA	NA		NA	NA		NA	NA		NA	NA		NA	NA
North Africa and Middle East	20	11	4		1	1		5	2		0	0		5	2		1	1
Australasia and high-income Asia Pacific	6	6	2		2	1		4	1		2	1		3	1		1	1
Western, central and eastern Europe and central Asia	54	19	11		6	6		9	7		2	2		4	3		2	2
Oceania	14	7	3		1	1		7	3		1	1		5	1		0	0
South Asia	5	4	2		0	0		2	1		0	0		3	1		0	0
East Asia and south-east Asia	15	5	2		1	1		2	2		1	1		6	4		0	0
Total	205	100	43		16	15		64	32		11	10		69	29		7	7

NA: not applicable; WHO: World Health Organization.

Note: Eight of the 112 studies with data for women had two separate data points (e.g. for different population groups).