Characteristics of included sources
| Number | Percentage (%) | |
| Publication type | ||
| Journal article | 14 | 2.4 |
| Government document | 116 | 19.5 |
| Government websites | 98 | 16.5 |
| Media articles | 287 | 48.3 |
| Research/Academic reports | 57 | 9.6 |
| Statistical websites | 18 | 3.0 |
| Primary sources | 4 | 0.7 |
| Countries with no data for primary outcome | 29 | 14.9 |
| Angola | ||
| Barbados | ||
| Belize | ||
| Bolivia | ||
| Cote d'Ivoire | ||
| Djibouti | ||
| Dominica | ||
| Eritrea | ||
| Iraq | ||
| Jordan | ||
| Liechtenstein | ||
| Luxembourg | ||
| Malawi | ||
| Maldives | ||
| Mauritania | ||
| Monaco | ||
| Nicaragua | ||
| North Korea | ||
| North Macedonia (formerly Macedonia) | ||
| Norway | ||
| Oman | ||
| Paraguay | ||
| Qatar | ||
| Slovakia | ||
| Solomon Islands | ||
| Syria | ||
| Tonga | ||
| Turkmenistan | ||
| United Arab Emirates | ||