Table 1.

Regions Included in the Study and Total Populations Studied in Each Region

Region	No. of Studies	Population Included
North Africa/Middle East	18	42 435
Sub-Saharan Africa	45	138 958
East Asia	31	1 286 378
Southeast Asia/Oceania	75	187 723
South Asia	40	186 605
Latin America, Caribbean	26	95 609
Europe/Central Asia	9	22 193
Total	244	1 959 901