Summary of Demographic and Health Surveys disaggregated by world region (n=145 overall)
| East Asia and Pacific (n=7) | Europe and Central Asia (n=10) | Latin America and the Caribbean (n=21) | Middle East and North Africa (n=11) | South Asia (n=13) | Sub-Saharan Africa (n=83) | |
| Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) | |
| Date of birth complete (%) | 100 (99–100) | 100 (99–100) | 99 (98–99) | 100 (100–100) | 99 (97–100) | 99 (97–99) |
| Anthropometry measurement complete (%) | 97 (92–98) | 95 (93–97) | 95 (93–98) | 96 (92–99) | 95 (90–98) | 96 (94–98) |
| Total sample | 4648 (3853–6661) | 1821 (1473–4618) | 9193 (6436–10275) | 6412 (4990–12907) | 5473 (3316–7235) | 5329 (3810–7938) |
| Median age (months) | 30 (16–45) | 29 (15–44) | 30 (15–45) | 29 (14–44) | 30 (15–45) | 29 (14–44) |
| Boys (%) | 51 (50–52) | 51 (51–53) | 51 (50–51) | 51 (50–52) | 51 (51–52) | 50 (50–51) |