Distribution of countries by mortality data quality rating* according to geography and population size
| WHO region† | Population | Data quality rating | Total | ||
| Negligible | Partial | Adequate | |||
| Africa | |||||
| <10 m | 16 | 2 | 1 | 19 | |
| 10–50 m | 22 | 0 | 0 | 22 | |
| >50 m | 4 | 2 | 0 | 6 | |
| Americas | |||||
| <10 m | 1 | 16 | 5 | 22 | |
| 10–50 m | 2 | 5 | 5 | 12 | |
| >50 m | 0 | 1 | 3 | 4 | |
| Eastern Mediterranean | |||||
| <10 m | 6 | 2 | 0 | 8 | |
| 10–50 m | 8 | 3 | 0 | 11 | |
| >50 m | 1 | 2 | 0 | 3 | |
| Europe | |||||
| <10 m | 3 | 13 | 16 | 32 | |
| 10–50 m | 1 | 8 | 5 | 14 | |
| >50 m | 0 | 3 | 3 | 6 | |
| South east Asia | |||||
| <10 m | 2 | 1 | 0 | 3 | |
| 10–50 m | 2 | 1 | 0 | 3 | |
| >50 m | 1 | 4 | 0 | 5 | |
| Western Pacific | |||||
| <10 m | 10 | 4 | 2 | 16 | |
| 10–50 m | 2 | 1 | 1 | 4 | |
| >50 m | 1 | 4 | 0 | 5 | |
| World | |||||
| <10 m | 38 | 38 | 24 | 100 | |
| 10–50 m | 37 | 18 | 11 | 66 | |
| >50 m | 7 | 16 | 6 | 29 | |
| Total | 82 | 72 | 41 | 195 | |
*Based on ‘percentage of well certified’ data; Negligible=0%–34%; Partial=35–84%; Adequate=85%+.31
†For list of countries in WHO regions, see Ref. 30.